CN202858525U

CN202858525U - Pressure sore preventing cushion with partitioned air bags

Info

Publication number: CN202858525U
Application number: CN 201220510992
Authority: CN
Inventors: 王珏; 范立涛; 尤勇; 李素姣; 田剑书; 郭雨晨; 李乐
Original assignee: SHANGHAI CHUANGSHI INDUSTRY GROUP Co Ltd; Xian Jiaotong University
Current assignee: SHANGHAI CHUANGSHI INDUSTRY GROUP Co Ltd; Xian Jiaotong University
Priority date: 2012-07-18
Filing date: 2012-09-28
Publication date: 2013-04-10
Anticipated expiration: 2022-09-28

Abstract

The utility model relates to a pressure sore preventing cushion with partitioned air bags. The pressure sore preventing cushion comprises an air bag array, a plurality of air channels, a plurality of air ducts and an inflating device, wherein the air bag array consists of a plurality of air bags; the air bag array is partitioned into four air bags; the air bags of each air bag region are communicated, but the air bags between any two adjacent air bags are not communicated; the plurality of air ducts are located below the air bag array; each air duct is connected to at least one of the air bag regions and is communicated with the at least one of the air bag regions; the air bag array consisting of the plurality of air bags and the plurality of air ducts are arranged on a substrate; the plurality of air ducts are arranged inside the substrate; one end of each air duct is communicated with a corresponding air channel, and the other end of each air duct extends out of the cushion and is provided with a joint; each air duct is provided with a respective valve; and the inflating device is connected to the joint of the air ducts. With the adoption of the pressure sore preventing cushion, human buttocks can be intermittently stressed, and pressure sores are effectively prevented from occurring.

Description

Anti-pressure sore cushion with subregion air bag

Technical field

The utility model relates to a kind of cushion, particularly relates to a kind of anti-pressure sore cushion with subregion air bag that uses owing to the ill or injured crowd who needs to keep for a long time sitting posture.

Background technology

Pressure sore (pressure sores) refers to that body part organizes the stimulation of long-time pressurized or long-term physical chemical factor to cause neurotrophy disorder and blood circulation disorder, local organization continuous ischemia, anoxic, malnutrition and cause skin to lose normal function, thus cause soft tissue to fester and downright bad.For example, local organization is subjected to continue pressure at right angle, also can be caused by frictional force and shearing force, normally due to 2 to 3 kinds of power synergy.

Pressure sore is clinical common complication, is not protopathy, and it is the damage that causes without good nursing because of other protopathy mostly.In case the generation pressure sore not only brings huge Physiological Psychology misery and economic pressures to patient, also can increase nurse's work load, but scabies secondary infection is drawn septicemia and threat to life when serious.

Most pressure sores all can prevent.But in actual case, moist, high heat, age and the fat incidence of disease that all can greatly increase pressure sore.Therefore, people adopt variety of way to prevent the generation of pressure sore.At present, have cellular-type air ring, the cool fluid cushion of anti-pressure sore or other combined type cushion etc. of main usefulness prevent pressure sore to produce, but these products all exist cushion human body are continued to exert pressure, can't make the stable weak point of shell temperature.

In addition, shown in Figure 1A and Figure 1B, publication number is that 5052068 United States Patent (USP) discloses a kind of contoured cushion, it is provided with a plurality of air bags at flexible substrate 2, these air bags have the capsule of losing heart 4, medium air bag 6 and long balloons 8, and these air bags are divided into exterior domain x and inner region y, and the air bag in the exterior domain x communicates with each other, air bag in the inner region y communicates with each other, but is disconnected between the air bag of the air bag of exterior domain x and inner region y.When the user is sitting on this cushion, can be by opening the

valve

42 and 44 that is communicated with respectively exterior domain x and inner region y, and the intracapsular pressure of release exterior domain x and inner region y, thereby the height of air bag in the adjustment regional, being adapted to be sitting in the shape of the human buttock on this cushion, and then obtain sitting posture and the impression of the most comfortable.

In addition, shown in Fig. 2 A and Fig. 2 B, publication number is that 5502885 United States Patent (USP) discloses a kind of subregion air bag cushion, it is provided with a plurality of air bags at substrate 2, these air bags are divided into r, s, four zones of t, u, are communicated with between each air bag in each zone, can be communicated with by manifold 24 between these four zones, and, also can make between these four districts and not be communicated with by closing

independent wireway

20,21,22,23.Before using this cushion, inflate by the air bag of 26 pairs of regionals of charging valve, clamp type hose valve 30 is opened at this moment, that is and, r, s, these four zones of t, u are communicated with by manifold 24.After enough air are charged in the cushion, close charging valve 26.Then, the user is sitting on this cushion, and discharges lentamente air by charging valve 26, and along with the release of air, user's buttocks is trapped in the air bag, when the user obtains desirablely when being absorbed in the degree of depth, closes charging valve 26.In addition, the user can close

independent wireway

20,21,22,23, thereby prevents that air from flowing between above-mentioned four zones.The advantage of this patent is similar to a upper patent, discharges air by user oneself, can obtain extremely to be close to the cushion of body shape, and then obtains sitting posture and the impression of the most comfortable.

When the cushion of above-mentioned two patents was applied to keep for a long time the crowd of sitting posture, although it can bring very comfortable sitting posture and impression, these two cushions still can be exerted pressure constantly to human body, therefore still had the probability of very high initiation pressure sore.

The utility model content

Shortcoming in view of above-mentioned prior art, the purpose of this utility model provides a kind of anti-pressure sore cushion with subregion air bag, it is inflated the different bladder district and exits by property ground alternately, thereby avoids being exerted pressure constantly in a certain position of human body, and then reduces the probability that causes pressure sore.

For reaching above-mentioned purpose, the technical scheme that the utility model utilizes provides a kind of anti-pressure sore cushion with subregion air bag, comprise: the air bag array that a plurality of air bags form, described air bag array partition is at least four air bag districts, be communicated with between each air bag in each air bag district, but the air bag between any two adjacent air bag districts is not communicated with; Be positioned at many air flues of described air bag array below, every air flue connects at least one of described air bag district and with it connection; Substrate, air bag array and described many air flues that described a plurality of air bags form are arranged in this substrate; A plurality of wireways, it is arranged in the described substrate, and an end of each wireway is communicated with corresponding air flue, and the other end extends to outside the cushion and is provided with joint, and has valve separately on each wireway; And aerating device, this aerating device connects the joint of described wireway.

Preferably, the quantity of described air flue is less than the quantity in described air bag district.

In an embodiment of the present utility model, the clockwise homalographic of described air bag array is divided into four air bag districts successively, i.e. A air bag district, B air bag district, C air bag district and D air bag district; The quantity of described air flue is two, i.e. the first air flue and the second air flue; Wherein, described the first air flue connects described A air bag district and described C air bag district and is communicated with it, and described the second air flue connects described B air bag district and described D air bag district and is communicated with it.

In another embodiment of the present utility model, described air bag array take following array partition as A air bag district, B air bag district, C air bag district, D air bag district and E air bag district; Described many air flues have the first air flue, the second air flue and the 3rd air flue; Wherein, described the first air flue connects described A air bag district and described C air bag district and is communicated with it, and described the second air flue connects described B air bag district and described D air bag district and is communicated with it, and described the 3rd air flue connects described E air bag district and is communicated with it; Above-mentioned array is:

[\begin{matrix} E & E & E & E & E & E & E & E & E & E \\ E & E & E & E & E & E & E & E & E & E \\ A & A & A & A & A & B & B & B & B & B \\ A & A & A & A & A & B & B & B & B & B \\ A & A & A & A & A & B & B & B & B & B \\ A & A & A & A & A & B & B & B & B & B \\ D & D & D & D & D & C & C & C & C & C \\ D & D & D & D & D & C & C & C & C & C \\ D & D & D & D & D & C & C & C & C & C \\ D & D & D & D & D & C & C & C & C & C \end{matrix}] .

In another embodiment of the present utility model, described air bag array take following array partition as A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district, B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district, C air bag district, D air bag district and E air bag district; Described many air flues have the first air flue, the second air flue, the 3rd air flue, the 4th air flue and the 5th air flue; Wherein, described the first air flue connects described A1, A2, A3 and A4 air bag district and is communicated with it, described the second air flue connects described B1, B2, B3 and B4 air bag district and is communicated with it, described the 3rd air flue connects described C air bag district and is communicated with it, described the 4th air flue connects described D air bag district and is communicated with it, and described the 5th air flue connects described E air bag district and is communicated with it; Above-mentioned array is:

[\begin{matrix} E & E & E & E & E & E & E & E & E & E \\ E & E & E & E & E & E & E & E & E & E \\ A 4 & A 4 & A 4 & A 4 & A 4 & B 4 & B 4 & B 4 & B 4 & B 4 \\ A 4 & A 4 & A 4 & A 4 & A 4 & B 4 & B 4 & B 4 & B 4 & B 4 \\ B 3 & B 3 & B 3 & B 3 & B 3 & A 3 & A 3 & A 3 & A 3 & A 3 \\ B 3 & B 3 & B 3 & B 3 & B 3 & A 3 & A 3 & A 3 & A 3 & A 3 \\ A 1 & A 1 & D & D & D & D & D & D & B 1 & B 1 \\ A 1 & A 1 & D & D & D & D & D & D & B 1 & B 1 \\ A 1 & A 1 & B 2 & B 2 & C & C & A 2 & A 2 & B 1 & B 1 \\ A 1 & B 2 & B 2 & B 2 & C & C & A 2 & A 2 & A 2 & B 1 \end{matrix}] .

In another embodiment of the present utility model, described air bag array take following array partition as A1 air bag district, A2 air bag district, A3 air bag district, B1 air bag district, B2 air bag district, B3 air bag district, C air bag district, D air bag district, E air bag district and F air bag district; Described many air flues have the first air flue, the second air flue, the 3rd air flue, the 4th air flue, the 5th air flue and the 6th air flue; Wherein, described the first air flue connects described A1, A2 and A3 air bag district and is communicated with it, described the second air flue connects described B1, B2 and B3 air bag district and is communicated with it, described the 3rd air flue connects described C air bag district and is communicated with it, described the 4th air flue connects described D air bag district and is communicated with it, described the 5th air flue connects described E air bag district and is communicated with it, and described the 6th air flue connects described F air bag district and is communicated with it; Above-mentioned array is:

[\begin{matrix} E & E & E & E & E & E & E & E & E & E \\ E & E & E & E & E & E & E & E & E & E \\ A 3 & A 3 & A 3 & A 3 & A 3 & B 3 & B 3 & B 3 & B 3 & B 3 \\ A 3 & A 3 & A 3 & A 3 & A 3 & B 3 & B 3 & B 3 & B 3 & B 3 \\ B 2 & B 2 & B 2 & B 2 & B 2 & A 2 & A 2 & A 2 & A 2 & A 2 \\ B 2 & B 2 & B 2 & B 2 & B 2 & A 2 & A 2 & A 2 & A 2 & A 2 \\ A 1 & A 2 & C & C & C & D & D & D & B 1 & B 1 \\ A 1 & A 1 & C & C & C & D & D & D & B 1 & B 1 \\ A 1 & A 1 & C & C & F & F & D & D & B 1 & B 1 \\ A 1 & C & C & C & F & F & D & D & D & B 1 \end{matrix}] .

In other embodiment of the present utility model, described air bag array take following array partition as A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district, A5 air bag district, B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district, B5 air bag district and C air bag district; Described many air flues have the first air flue, the second air flue and the 3rd air flue; Wherein, described the first air flue connects described A1, A2, A3, A4 and A5 air bag district and is communicated with it, and described the second air flue connects described B1, B2, B3, B4 and B5 air bag district and is communicated with it, and described the 3rd air flue connects described C air bag district and is communicated with it; Above-mentioned array is:

Preferably, anti-pressure sore cushion also comprises control device, and this control device is electrically connected the described valve on the wireway, and is electrically connected described aerating device, thereby control aerating device wireway is inflated, and perhaps controls the wireway exhaust.

Preferably, each air bag in the described air bag array is the column air bag, this column air bag includes the enclosing cover layer of column and is arranged on the interior air bag post of this enclosing cover layer, air bag post can be any one or a few the combination in spring, sponge, cotton, the cystosepiment, preferred, air bag post is the direct foaming of sponge, applying degree, firmness height, promote simultaneously the resistance to overturning of air bag, be conducive to keep the shape of air bag.And be provided with hydrogel layer on this air bag post top, be provided with sealant between described air bag post top and the described hydrogel layer, air is filled in the space between described enclosing cover layer, described air bag post and the described sealant.The inwall close contact of sealant and enclosing cover layer is not so that the hydrogel of straight forming can fall down or let out under Action of Gravity Field and under the human body extruding.

The top of enclosing cover layer is the cambered surface that raises up, and reduces like this corner angle and has increased contact area.When human body touches the hydrogel layer of top arc shape, sense of discomfort or pain can not appear.

Described column air bag is cylindrical shape, prism shape, square column or cuboid column any one or the combined shaped between them.

The cross section of described column air bag is four jiaos of starriness, and the column air bag is circular arc all around.

The utility model has the advantage of, the air bag array partition that a plurality of air bags are formed is air bag different and that be interspersed district, and control respectively the pressure of air bag in these air bag districts and the duration of this pressure, thereby so that the human buttock intermittently is under pressure, prevent the poor blood circulation of skin.Further, the column air bag is owing to the hydrogel layer and the sealant between air bag post top and hydrogel layer that have on air bag post, so that the column air bag can finely prevent that air bag from being scratched thoroughly, has multiple protection functions.Hydrogel layer in the column air bag and constant temperature phase-change material have the human body sensory of making and cool off oneself, can produce well all pressure effects so that user's buttocks surface remains on comfortable temperature.Do not have obvious corner angle above being simultaneously the hydrogel layer of the cambered surface that raises up, contact area is larger, avoids having disperseed load because of disadvantages such as acute angle cause that stress is concentrated, can not experience pain in permanent contact process.Be circular arc around the column air bag, strengthen and give full play to the mechanical strength of cushion, improve the flowability of plastic cement melt, be convenient to be full of and the demoulding, eliminate the defectives such as depression of wall section turning point, be convenient to machining and the heat treatment of mould, thereby improved the mold use life-span.Air bag post has the effect of supporting ﹠ stablizing bladder shape, and can not cave in not because of stability causes profile impaired.

Description of drawings

Figure 1A is the schematic perspective view of a kind of cushion of the prior art.

Figure 1B is the distribution schematic diagram in the air bag district of cushion shown in Figure 1A.

Fig. 2 A is the schematic perspective view of another kind of cushion of the prior art.

Fig. 2 B is the distribution schematic diagram in the air bag district of cushion shown in Fig. 2 A.

Fig. 3 is perspective exploded view of the present utility model.

Fig. 4 is the air bag district distribution schematic diagram of first embodiment of the utility model.

Fig. 5 is about the connection diagram of control device in the utility model.

Fig. 6 is the amplification schematic perspective view of column air bag in the utility model.

Fig. 7 is the amplification profile of column air bag in the utility model.

Fig. 8 is the amplification view in transverse section of column air bag in the utility model.

Fig. 9 is the amplification view in transverse section of the first distressed structure of column air bag in the utility model.

Figure 10 is the amplification view in transverse section of the second distressed structure of column air bag in the utility model.

Figure 11 is the air bag district distribution schematic diagram of second embodiment of the utility model.

Figure 12 is the air bag district distribution schematic diagram of the 3rd embodiment of the utility model.

Figure 13 is the air bag district distribution schematic diagram of the 4th embodiment of the utility model.

Figure 14 is the air bag district distribution schematic diagram of the 5th embodiment of the utility model.

The specific embodiment

Below cooperate accompanying drawing and embodiment of the present utility model, further set forth the technical scheme that the utility model is taked for the attainment of one's purpose.

The utility model provides a kind of anti-pressure sore cushion with subregion air bag, comprising:

The air bag array that a plurality of air bags form, described air bag array partition is at least four air bag districts, be communicated with between each air bag in each air bag district, but the air bag between any two adjacent air bag districts is not communicated with;

Be positioned at many air flues of described air bag array below, every air flue connects at least one of described air bag district and with it connection;

Substrate, air bag array and described many air flues that described a plurality of air bags form are arranged in this substrate;

A plurality of wireways, it is arranged in the described substrate, and an end of each wireway is communicated with corresponding air flue, and the other end extends to outside the cushion and is provided with joint, and has valve separately on each wireway; And

Aerating device, this aerating device connects the joint of described wireway.

In addition, the quantity of described air flue is less than the quantity in described air bag district.

In an embodiment of the present utility model, the clockwise homalographic of described air bag array is divided into four air bag districts successively, i.e. A air bag district, B air bag district, C air bag district and D air bag district; The quantity of described air flue is two, i.e. the first air flue and the second air flue; Wherein, described the first air flue connects described A air bag district and described C air bag district and is communicated with it, and described the second air flue connects described B air bag district and described D air bag district and is communicated with it.Certainly, the air bag array is that equal area partition is four air bag districts in the present embodiment, but also can adjust as required in other embodiments, and for example, it is not equal area partition.

In second embodiment of the present utility model, described air bag array partition is A air bag district, B air bag district, C air bag district, D air bag district and E air bag district; Described many air flues have the first air flue, the second air flue and the 3rd air flue; Wherein, described the first air flue connects described A air bag district and described C air bag district and is communicated with it, and described the second air flue connects described B air bag district and described D air bag district and is communicated with it, and described the 3rd air flue connects described E air bag district and is communicated with it.

In the 3rd embodiment of the present utility model, described air bag array partition is A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district, B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district, C air bag district, D air bag district and E air bag district; Described many air flues have the first air flue, the second air flue, the 3rd air flue, the 4th air flue and the 5th air flue; Wherein, described the first air flue connects described A1, A2, A3 and A4 air bag district and is communicated with it, described the second air flue connects described B1, B2, B3 and B4 air bag district and is communicated with it, described the 3rd air flue connects described C air bag district and is communicated with it, described the 4th air flue connects described D air bag district and is communicated with it, and described the 5th air flue connects described E air bag district and is communicated with it.

In the 4th embodiment of the present utility model, described air bag array partition is A1 air bag district, A2 air bag district, A3 air bag district, B1 air bag district, B2 air bag district, B3 air bag district, C air bag district, D air bag district, E air bag district and F air bag district; Described many air flues have the first air flue, the second air flue, the 3rd air flue, the 4th air flue, the 5th air flue and the 6th air flue; Wherein, described the first air flue connects described A1, A2 and A3 air bag district and is communicated with it, described the second air flue connects described B1, B2 and B3 air bag district and is communicated with it, described the 3rd air flue connects described C air bag district and is communicated with it, described the 4th air flue connects described D air bag district and is communicated with it, described the 5th air flue connects described E air bag district and is communicated with it, and described the 6th air flue connects described F air bag district and is communicated with it.

In the 5th embodiment of the present utility model, described air bag array partition is A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district, A5 air bag district, B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district, B5 air bag district and C air bag district; Described many air flues have the first air flue, the second air flue and the 3rd air flue; Wherein, described the first air flue connects described A1, A2, A3, A4 and A5 air bag district and is communicated with it, and described the second air flue connects described B1, B2, B3, B4 and B5 air bag district and is communicated with it, and described the 3rd air flue connects described C air bag district and is communicated with it.

In the above-described embodiment, described aerating device can be manual aerating device (for example inflator), and this aerating device can also be in check electric aeration device (for example air pump).

Further, anti-pressure sore cushion also comprises control device, and this control device is electrically connected the valve on wireway, and is electrically connected aerating device, thus the control aerating device wireway is inflated, perhaps by-pass valve control is opened and is made the wireway exhaust.

It will be appreciated by those skilled in the art that, above-mentioned valve can be manual valve, thereby can cooperate manual aerating device, perhaps, above-mentioned valve also can be in check electrically operated valve, thereby can be electrically connected described control device and cooperate electric aeration device to use.Certainly, those skilled in the art are understandable that more manual valve can cooperate electronic aerating device to use, and perhaps electronic valve also can cooperate manual aerating device to use.

In the above embodiments, each air bag in the air bag array is the column air bag, and this column air bag includes the enclosing cover layer of column and is arranged on the interior air bag post of this enclosing cover layer, and the material of enclosing cover layer is consistent, and be structure as a whole, the wall thickness of enclosing cover layer up all was consistent the end of by.Air bag post is the direct foaming of sponge.And be provided with hydrogel layer on this air bag post top, hydrogel layer is at the top of air bag post straight forming, and applying degree and degree of adhesion are very good.Air is filled in the space between described enclosing cover layer, described air bag post and the described sealant, thereby carries out the humidity and temperature of the exchange control air bag of gas with inside air bag.Be provided with sealant between air bag post top and the described hydrogel layer.The inwall close contact of sealant and enclosing cover layer.Sealant is consistent with the material of enclosing cover layer, can form a sealant with the inwall close contact of enclosing cover layer after post-cure technique, guarantees sealing, firmness and the aesthetic property of hydrogel layer.

In the description of background technology in front, can know when existing cushion described in the background technology is applied to keep for a long time the crowd of sitting posture, although it can bring very comfortable sitting posture and impression, but two cushions of that describe in the background technology still can be exerted pressure constantly to human body, therefore still have the probability of very high initiation pressure sore.

The utility model mainly is exactly the improvement made for the poor blood circulation that cushion of the prior art can not be realized making the human buttock intermittently be under pressure, prevent skin.The below does in more detail explanation to specific embodiment of the utility model respectively by reference to the accompanying drawings.

Fig. 3 is perspective exploded view of the present utility model.As shown in Figure 3, anti-pressure sore cushion 10 comprises air bag array 101, air flue 104, substrate 103 from top to bottom successively, and air flue 104 and air bag array 101 are arranged in this substrate 103, and anti-pressure sore cushion 10 also comprises a plurality of wireways 105.Wherein air bag array 101 has a plurality of air bags 100, the air bag array of air bag formation with 10 * 10 in the drawings, certainly this is schematic expression, it also can be 10 * 15 array, 15 * 15 array in actual applications, other form of 15 * 20 array or array of 20 * 20 etc.

Fig. 4 is the air bag district distribution schematic diagram of first embodiment of the utility model.As shown in Figure 4, be divided into four air bag districts air bag array 101 homalographics, be A air bag district 110, B air bag district 111, C air bag district 112, D air bag district 113, be communicated with between each air bag in each air bag district, but the air bag between any two adjacent air bag districts is not communicated with; In addition, air bag array 101 belows have the first air flue and the second air flue.Wherein are connected with C air bag district by the connection of the first air flue in A air bag district 110, are connected with D air bag district by the connection of the second air flue in B air bag district 111.As shown in Figure 3, an end of wireway 105 is communicated with corresponding air flue 104, and the other end extends to outside the cushion and is provided with joint, and has valve 106 separately on each wireway 105.

Other cooperates shown in Figure 5, and anti-pressure sore cushion 10 also comprises aerating device 11, and this aerating device 11 connects the joint of wireway 105, and links to each other with valve 106.Anti-pressure sore cushion 10 also comprises control device 12, the valve 106 that this control device 12 is electrically connected on the wireway 105, and be electrically connected described aerating device 11, and inflate thereby control 11 pairs of wireways 105 of aerating device, perhaps control wireway 105 exhausts.That is to say that control device 12 can by-pass valve control 106 and aerating device 11, thereby realize different air bag districts is inflated or exits.For example, control device can be controlled A air bag district and C air bag district are inflated, make it remain on higher pressure, and exitted in B air bag district and D air bag district simultaneously, make it remain on lower pressure, such state for example can continue 1-10 minute, then control device can be controlled B air bag district and D air bag district are inflated, make it remain on higher pressure, and exitted in A air bag district and C air bag district simultaneously, make it remain on lower pressure, such state can continue 1-10 minute equally, and then changes into A air bag district and C air bag district are inflated, and makes it remain on higher pressure, and exitted in B air bag district and D air bag district simultaneously, make it remain on lower pressure.Above-mentioned alternately pressurizes to different air bag districts, can realize the zones of different of sitting buttocks of people on cushion is alternately pressurizeed, thereby avoid being exerted pressure constantly in a certain position of human body, and then reduce the probability that causes pressure sore.

Above-mentioned control device is control device common to those skilled in the art, and it can by programmable control chip being programmed and cooperating necessary circuit board to realize that this is the technological means of commonly using to those skilled in the art, therefore repeat no more.

Further, with reference to figure 6, shown in Figure 7, each air bag in the air bag array 101 is column air bag 100, and each column air bag 100 can be the same length, can also be the column air bag of different length.This column air bag 100 includes the enclosing cover layer 13 of column and is arranged on air bag post 14 in this enclosing cover layer 13, and the material of enclosing cover layer 13 is consistent, and is structure as a whole, and the wall thickness of enclosing cover layer 13 up all was consistent the end of by.Air bag post 14 is the direct foamings of sponge, and its applying degree, firmness are high, promotes simultaneously the resistance to overturning of air bag, is conducive to keep the shape of air bag.And be provided with hydrogel layer 15 on these air bag post 14 tops, hydrogel layer 15 is at the top of air bag post 14 straight forming, and applying degree and degree of adhesion are very good.The maintenance coolness that high-moisture in the hydrogel and constant temperature phase-change material can continue.Air is filled in the space between described enclosing cover layer 13, described air bag post 14 and the described sealant 16, thereby carries out the humidity and temperature of the exchange control air bag of gas with inside air bag.

The top of enclosing cover layer 13 is the cambered surface that raises up, and reduces like this corner angle and has increased contact area, when human body touches the hydrogel layer 15 of top arc shape, sense of discomfort or pain can not occur.

Be provided with sealant 16 between air bag post 14 tops and the hydrogel layer 15.The inwall close contact of sealant 16 and enclosing cover layer 13.Sealant 16 can be consistent with the material of enclosing cover layer 13, can form a sealant 16 with the inwall close contact of enclosing cover layer 13 after post-cure technique, guarantees sealing, firmness and the aesthetic property of hydrogel layer 15.So that the hydrogel of straight forming can not fall down or let out under Action of Gravity Field and under the human body extruding.

To shown in Figure 10, the cross section of column air bag 100 is respectively four jiaos of starriness, cylindrical shape or cuboid column such as Fig. 8.The cross section that those skilled in the art will appreciate that column air bag 100 is not limited to above three kinds of shapes, can also be other shapes of ellipse, triangle, pentalpha etc.

Figure 11 is the air bag district distribution schematic diagram of second embodiment of the utility model.From Figure 11 and below array can find out that the air bag in the air bag array 101 is divided into E air bag district 210, B air bag district 211, C air bag district 212, D air bag district 213 and A air bag district 214.In Figure 11, remain the air bag array that consists of with 10 * 10 air bag corresponding to following array, still, be understandable that to those skilled in the art, also can represent the air bag array that the air bag of other quantity consists of.In addition, air bag array 101 belows have the first air flue, the second air flue and the 3rd air flue; Wherein, described the first air flue connects C air bag district 212 and A air bag district 214 and is communicated with it, and the second air flue connects B air bag district 211 and D air bag district 213 and is communicated with it, and the 3rd air flue connects E air bag district 210 and is communicated with it.

[\begin{matrix} E & E & E & E & E & E & E & E & E & E \\ E & E & E & E & E & E & E & E & E & E \\ A & A & A & A & A & B & B & B & B & B \\ A & A & A & A & A & B & B & B & B & B \\ A & A & A & A & A & B & B & B & B & B \\ A & A & A & A & A & B & B & B & B & B \\ D & D & D & D & D & C & C & C & C & C \\ D & D & D & D & D & C & C & C & C & C \\ D & D & D & D & D & C & C & C & C & C \\ D & D & D & D & D & C & C & C & C & C \end{matrix}]

Further, in the present embodiment, anti-pressure sore cushion has wireway, valve, aerating device and control device equally, and its connected mode and first embodiment are similar.Thereby so that control device can by-pass valve control and aerating device, different air bag districts is inflated or exits realizing.For example, control device can be controlled A air bag district and C air bag district are inflated, and makes it remain on higher pressure, and is exitted in B air bag district and D air bag district simultaneously, makes it remain on lower pressure, and such state for example can continue 1-10 minute; Then control device can be controlled B air bag district and D air bag district are inflated, and makes it remain on higher pressure, and is exitted in A air bag district and C air bag district simultaneously, makes it remain on lower pressure, and such state can continue 1-10 minute equally; And then change into A air bag district and C air bag district are inflated, make it remain on higher pressure, and exitted in B air bag district and D air bag district simultaneously, make it remain on lower pressure.In the process of using, E air bag district is the place that human body thigh downside contacts, control device can be controlled and separately E air bag district be inflated or exit, the frequency of inflation or venting can be different from other air bag districts with air pressure, perhaps, in case can being inflation, the air pressure in this E air bag district just keeps constant afterwards.Inflate in above-mentioned each air bag district and frequency and the inflation of venting can be regulated according to different patients accordingly with the pressure of venting, such as the patient can arrange pressure and the time of inflating or exit according to locomotivity and the body weight of self.Inflate respectively or exit in the above-mentioned air bag district to different, can realize the zones of different of sitting buttocks of people on cushion is alternately pressurizeed, thereby avoid being exerted pressure constantly in a certain position of human body, and then reduce the probability that causes pressure sore.

Figure 12 is the air bag district distribution schematic diagram of the 3rd embodiment of the utility model.From Figure 12 and below array can find out that the air bag in the air bag array 101 is divided into A1 air bag district 310, A2 air bag district 311, A3 air bag district 312, A4 air bag district 313, B1 air bag district 320, B2 air bag district 321, B3 air bag district 322, B4 air bag district 323, C air bag district 330, D air bag district 340 and E air bag district 350.In Figure 12, remain the air bag array that consists of with 10 * 10 air bag corresponding to following array, still, be understandable that to those skilled in the art, also can represent the air bag array that the air bag of other quantity consists of.In addition, air bag array 101 belows have the first air flue, the second air flue, the 3rd air flue, the 4th air flue and the 5th air flue.Wherein, the first air flue connects A1 air bag district 310, A2 air bag district 311, A3 air bag district 312 and A4 air bag district 313 and is communicated with it, the second air flue connects B1 air bag district 320, B2 air bag district 321, B3 air bag district 322 and B4 air bag district 323 and is communicated with it, the 3rd air flue connects C air bag district 330 and is communicated with it, the 4th air flue connects D air bag district 340 and is communicated with it, and the 5th air flue connects E air bag district 350 and is communicated with it.

[\begin{matrix} E & E & E & E & E & E & E & E & E & E \\ E & E & E & E & E & E & E & E & E & E \\ A 4 & A 4 & A 4 & A 4 & A 4 & B 4 & B 4 & B 4 & B 4 & B 4 \\ A 4 & A 4 & A 4 & A 4 & A 4 & B 4 & B 4 & B 4 & B 4 & B 4 \\ B 3 & B 3 & B 3 & B 3 & B 3 & A 3 & A 3 & A 3 & A 3 & A 3 \\ B 3 & B 3 & B 3 & B 3 & B 3 & A 3 & A 3 & A 3 & A 3 & A 3 \\ A 1 & A 1 & D & D & D & D & D & D & B 1 & B 1 \\ A 1 & A 1 & D & D & D & D & D & D & B 1 & B 1 \\ A 1 & A 1 & B 2 & B 2 & C & C & A 2 & A 2 & B 1 & B 1 \\ A 1 & B 2 & B 2 & B 2 & C & C & A 2 & A 2 & A 2 & B 1 \end{matrix}]

Further, in the present embodiment, anti-pressure sore cushion has wireway, valve, aerating device and control device equally, and its connected mode and first embodiment are similar.Thereby so that control device can by-pass valve control and aerating device, different air bag districts is inflated or exits realizing.For example, control device can be controlled A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district are inflated, make it remain on higher pressure, and exitted in B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district simultaneously, make it remain on lower pressure, continue for some time, such as 1-10 minute; Exitted in A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district more afterwards, make it remain on lower pressure, and simultaneously B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district are inflated, make it remain on higher pressure, what replace and so forth inflating or exitting.Simultaneously, control device is also inflated C air bag district, D air bag district and E air bag district respectively with certain frequency and is exitted, to cooperate inflation and the venting in above-mentioned A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district and B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district.The inflation in C air bag district, D air bag district and E air bag district and the frequency of venting can be identical with pressure, also can be different, these can be regulated accordingly according to the user of reality, and, in case the air pressure in this E air bag district no longer changes with regard to keeping constant after can inflating.In addition, the duration of above-mentioned inflation or venting can optionally be regulated according to parameters such as inflation or the speed of venting, required gas capacity and pressure.Inflating and exitting what above-mentioned air bag district frequently replaced, like this so that the pressure in different bladder district often change, can realize the zones of different of sitting buttocks of people on cushion is alternately pressurizeed, thereby avoid being exerted pressure constantly in a certain position of human body, and then reduce the probability that causes pressure sore.

Figure 13 is the air bag district distribution schematic diagram of the 4th embodiment of the utility model.From Figure 13 and below array can find out that the air bag in the air bag array 101 is divided into A1 air bag district 410, A2 air bag district 411, A3 air bag district 412, B1 air bag district 420, B2 air bag district 421, B3 air bag district 422, C air bag district 430, D air bag district 440, E air bag district 450 and F air bag district 460.In Figure 13, remain the air bag array that consists of with 10 * 10 air bag corresponding to following array, still, to those skilled in the art, also can represent the air bag array that the air bag of other quantity consists of.In addition, air bag array 101 belows have the first air flue, the second air flue, the 3rd air flue, the 4th air flue, the 5th air flue and the 6th air flue; Wherein, the first air flue connects A1 air bag district 410, A2 air bag district 411 and A3 air bag district 412 and is communicated with it, the second air flue connects B1 air bag district 420, B2 air bag district 421 and B3 air bag district 422 and is communicated with it, the 3rd air flue connects C air bag district 430 and is communicated with it, the 4th air flue connects D air bag district 440 and is communicated with it, the 5th air flue connects E air bag district 450 and is communicated with it, and the 6th air flue connects F air bag district 460 and is communicated with it.

[\begin{matrix} E & E & E & E & E & E & E & E & E & E \\ E & E & E & E & E & E & E & E & E & E \\ A 3 & A 3 & A 3 & A 3 & A 3 & B 3 & B 3 & B 3 & B 3 & B 3 \\ A 3 & A 3 & A 3 & A 3 & A 3 & B 3 & B 3 & B 3 & B 3 & B 3 \\ B 2 & B 2 & B 2 & B 2 & B 2 & A 2 & A 2 & A 2 & A 2 & A 2 \\ B 2 & B 2 & B 2 & B 2 & B 2 & A 2 & A 2 & A 2 & A 2 & A 2 \\ A 1 & A 1 & C & C & C & D & D & D & B 1 & B 1 \\ A 1 & A 1 & C & C & C & D & D & D & B 1 & B 1 \\ A 1 & A 1 & C & C & F & F & D & D & B 1 & B 1 \\ A 1 & C & C & C & F & F & D & D & D & B 1 \end{matrix}]

Further, in the present embodiment, anti-pressure sore cushion has wireway, valve, aerating device and control device equally, and its connected mode and first embodiment are similar.Thereby so that control device can by-pass valve control and aerating device, different air bag districts is inflated or exits realizing.For example, control device can be controlled A1 air bag district, A2 air bag district, A3 air bag district and inflate, and makes it remain on higher pressure, and exitted in B1 air bag district, B2 air bag district, B3 air bag district simultaneously, make it remain on lower pressure, continue for some time, such as 1-10 minute; Exitted in A1 air bag district, A2 air bag district, A3 air bag district more afterwards, make it remain on lower pressure, and simultaneously B1 air bag district, B2 air bag district, B3 air bag district are inflated, make it remain on higher pressure, continue for some time, such as 1-10 minute; What replace and so forth inflating or exitting.Simultaneously, control device is also inflated C air bag district, D air bag district, E air bag district and F air bag district respectively with certain frequency and is exitted, to cooperate inflation and the venting in above-mentioned A1 air bag district, A2 air bag district, A3 air bag district and B1 air bag district, B2 air bag district, B3 air bag district.Identical with the 3rd embodiment, frequency and the pressure of the inflation in C air bag district, D air bag district, E air bag district and F air bag district and venting also can be regulated in the present embodiment, and, in case the air pressure in this E air bag district no longer changes with regard to keeping constant after can inflating.So that the pressure in different bladder district often changes, can realize the zones of different of sitting buttocks of people on cushion is alternately pressurizeed, thereby avoid being exerted pressure constantly in a certain position of human body like this, and then reduce the probability that causes pressure sore.

Figure 14 is the air bag district distribution schematic diagram of the 5th embodiment of the utility model.From Figure 14 and below array can find out that the air bag in the air bag array 101 is divided into A1 air bag district 510, A2 air bag district 511, A3 air bag district 512, A4 air bag district 513, A5 air bag district 514, B1 air bag district 520, B2 air bag district 521, B3 air bag district 522, B4 air bag district 523, B5 air bag district 524 and C air bag district 530.That the air bag array that consists of with 20 * 20 air bag is corresponding to following array in Figure 14, this from other embodiment in different with the expression of 10 * 10 air bag, in other embodiments, the position of a letter is just directly corresponding to an air bag in the array, and in the present embodiment, the position of a letter in the following array is corresponding to four air bags, thereby consists of 20 * 20 air bag array.Certainly, this is schematically expression just, and those skilled in the art also can come with the air bag of other quantity the position of a letter in the corresponding following array, for example, and three air bags, five air bags, nine air bags etc.Therefore, although be to come illustrated with the air bag array that 10 * 10 air bags consist of in other embodiments, but be understandable that it also can illustrate with the air bag array that 20 * 20 air bags consist of, the air bag array that perhaps consists of with the air bag of other quantity illustrates.In addition, air bag array 101 belows have the first air flue, the second air flue and the 3rd air flue; Wherein, the first air flue connects A1 air bag district 510, A2 air bag district 511, A3 air bag district 512, A4 air bag district 513 and A5 air bag district 514 and is communicated with it, the second air flue connects B1 air bag district 520, B2 air bag district 521, B3 air bag district 522, B4 air bag district 523 and B5 air bag district 524 and is communicated with it, and the 3rd air flue connects C air bag district 530 and is communicated with it.

Further, in the present embodiment, anti-pressure sore cushion has wireway, valve, aerating device and control device equally, and its connected mode and first embodiment are similar.Thereby so that control device can by-pass valve control and aerating device, different air bag districts is inflated or exits realizing.For example, control device can be controlled A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district, A5 air bag district are inflated, make it remain on higher pressure, and exitted in B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district, B5 air bag district simultaneously, make it remain on lower pressure, continue for some time, such as 1-10 minute; Exitted in A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district, A5 air bag district afterwards, make it remain on lower pressure, and simultaneously B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district, B5 air bag district are inflated, make it remain on higher pressure, continue for some time, such as 1-10 minute; What replace and so forth inflating or exitting.Simultaneously, control device is also inflated C air bag district with certain frequency and is exitted, to cooperate inflation and the venting in above-mentioned A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district, A5 air bag district and B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district, B5 air bag district, perhaps, in case the air pressure in this C air bag district no longer change with regard to keeping constant after also can inflating.So that the pressure in different bladder district often changes, can realize the zones of different of sitting buttocks of people on cushion is alternately pressurizeed, thereby avoid being exerted pressure constantly in a certain position of human body like this, and then reduce the probability that causes pressure sore.The inflation in above-mentioned each air bag district or the frequency of venting can be regulated according to different patients accordingly with air pressure, such as the patient can arrange pressure and the time of inflating or exit according to locomotivity and the body weight of self.

The inflation in the different bladder district among above the utility model embodiment or deflated state are illustrative principle of the present utility model and effect thereof, the inflation in different bladder district or the frequency of venting or air pressure can be identical, also can be different, the variation pattern that can also carry out suitable adjusting and make various feasibilities according to the situation of different user.In above embodiment of the present utility model, the connected mode between a plurality of air bags in the air bag district is diversified, is not well-determined connected mode, as long as can guarantee that the gas in each air bag in each air bag district is what to be communicated with.

The utility model can effectively prevent the generation of pressure sore, as a usage example, in use, when the buttocks of human body is sitting on the anti-pressure sore cushion, can inflate and exhaust different air bag districts as required, respectively pressure and the pressure duration in different bladder district are controlled, situation according to patient self is carried out setting pressure and pressure duration, thereby so that the different parts of buttocks can both be subject to identical or different pressure within the different time or in the identical time.Control device can arrange different parameters for the weight of different human bodies, when pressure was higher than higher limit or is lower than lower limit, control aerating device and valve carried out exhaust or inflation to anti-pressure sore cushion.Can also be by control device to inflating and exhaust that different air bag districts replaces.When patient's buttocks long-term contact with cushion the time, can increase other device air bag is blown, can reduce the temperature and humidity of balloon surface.

Above-described embodiment is for illustrative principle of the present utility model and effect thereof, but the utility model is not limited to above-mentioned embodiment.Any personnel that are familiar with technique all can under spirit of the present utility model and category, in the claim protection domain, make amendment to above-described embodiment.So protection domain of the present utility model, should be listed such as claims of the present utility model.

Claims

1. the anti-pressure sore cushion with subregion air bag is characterized in that, comprising:

Aerating device, this aerating device connects the joint of described wireway.

2. the anti-pressure sore cushion with subregion air bag according to claim 1 is characterized in that the quantity of described air flue is less than the quantity in described air bag district.

3. the anti-pressure sore cushion with subregion air bag according to claim 2 is characterized in that, the clockwise homalographic of described air bag array is divided into four air bag districts successively, i.e. A air bag district, B air bag district, C air bag district and D air bag district; The quantity of described air flue is two, i.e. the first air flue and the second air flue; Wherein, described the first air flue connects described A air bag district and described C air bag district and is communicated with it, and described the second air flue connects described B air bag district and described D air bag district and is communicated with it.

4. the anti-pressure sore cushion with subregion air bag according to claim 2 is characterized in that, described air bag array take following array partition as A air bag district, B air bag district, C air bag district, D air bag district and E air bag district; Described many air flues have the first air flue, the second air flue and the 3rd air flue; Wherein, described the first air flue connects described A air bag district and described C air bag district and is communicated with it, and described the second air flue connects described B air bag district and described D air bag district and is communicated with it, and described the 3rd air flue connects described E air bag district and is communicated with it; Above-mentioned array is:

[\begin{matrix} E & E & E & E & E & E & E & E & E & E \\ E & E & E & E & E & E & E & E & E & E \\ A & A & A & A & A & B & B & B & B & B \\ A & A & A & A & A & B & B & B & B & B \\ A & A & A & A & A & B & B & B & B & B \\ A & A & A & A & A & B & B & B & B & B \\ D & D & D & D & D & C & C & C & C & C \\ D & D & D & D & D & C & C & C & C & C \\ D & D & D & D & D & C & C & C & C & C \\ D & D & D & D & D & C & C & C & C & C \end{matrix}] .

5. the anti-pressure sore cushion with subregion air bag according to claim 2, it is characterized in that, described air bag array take following array partition as A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district, B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district, C air bag district, D air bag district and E air bag district; Described many air flues have the first air flue, the second air flue, the 3rd air flue, the 4th air flue and the 5th air flue; Wherein, described the first air flue connects described A1, A2, A3 and A4 air bag district and is communicated with it, described the second air flue connects described B1, B2, B3 and B4 air bag district and is communicated with it, described the 3rd air flue connects described C air bag district and is communicated with it, described the 4th air flue connects described D air bag district and is communicated with it, and described the 5th air flue connects described E air bag district and is communicated with it; Above-mentioned array is:

[\begin{matrix} E & E & E & E & E & E & E & E & E & E \\ E & E & E & E & E & E & E & E & E & E \\ A 4 & A 4 & A 4 & A 4 & A 4 & B 4 & B 4 & B 4 & B 4 & B 4 \\ A 4 & A 4 & A 4 & A 4 & A 4 & B 4 & B 4 & B 4 & B 4 & B 4 \\ B 3 & B 3 & B 3 & B 3 & B 3 & A 3 & A 3 & A 3 & A 3 & A 3 \\ B 3 & B 3 & B 3 & B 3 & B 3 & A 3 & A 3 & A 3 & A 3 & A 3 \\ A 1 & A 1 & D & D & D & D & D & D & B 1 & B 1 \\ A 1 & A 1 & D & D & D & D & D & D & B 1 & B 1 \\ A 1 & A 1 & B 2 & B 2 & C & C & A 2 & A 2 & B 1 & B 1 \\ A 1 & B 2 & B 2 & B 2 & C & C & A 2 & A 2 & A 2 & B 1 \end{matrix}] .

6. the anti-pressure sore cushion with subregion air bag according to claim 2, it is characterized in that, described air bag array take following array partition as A1 air bag district, A2 air bag district, A3 air bag district, B1 air bag district, B2 air bag district, B3 air bag district, C air bag district, D air bag district, E air bag district and F air bag district; Described many air flues have the first air flue, the second air flue, the 3rd air flue, the 4th air flue, the 5th air flue and the 6th air flue; Wherein, described the first air flue connects described A1, A2 and A3 air bag district and is communicated with it, described the second air flue connects described B1, B2 and B3 air bag district and is communicated with it, described the 3rd air flue connects described C air bag district and is communicated with it, described the 4th air flue connects described D air bag district and is communicated with it, described the 5th air flue connects described E air bag district and is communicated with it, and described the 6th air flue connects described F air bag district and is communicated with it; Above-mentioned array is:

[\begin{matrix} E & E & E & E & E & E & E & E & E & E \\ E & E & E & E & E & E & E & E & E & E \\ A 3 & A 3 & A 3 & A 3 & A 3 & B 3 & B 3 & B 3 & B 3 & B 3 \\ A 3 & A 3 & A 3 & A 3 & A 3 & B 3 & B 3 & B 3 & B 3 & B 3 \\ B 2 & B 2 & B 2 & B 2 & B 2 & A 2 & A 2 & A 2 & A 2 & A 2 \\ B 2 & B 2 & B 2 & B 2 & B 2 & A 2 & A 2 & A 2 & A 2 & A 2 \\ A 1 & A 2 & C & C & C & D & D & D & B 1 & B 1 \\ A 1 & A 1 & C & C & C & D & D & D & B 1 & B 1 \\ A 1 & A 1 & C & C & F & F & D & D & B 1 & B 1 \\ A 1 & C & C & C & F & F & D & D & D & B 1 \end{matrix}] .

7. the anti-pressure sore cushion with subregion air bag according to claim 2, it is characterized in that, described air bag array take following array partition as A1 air bag district, A2 air bag district, A3 air bag district, A4 air bag district, A5 air bag district, B1 air bag district, B2 air bag district, B3 air bag district, B4 air bag district, B5 air bag district and C air bag district; Described many air flues have the first air flue, the second air flue and the 3rd air flue; Wherein, described the first air flue connects described A1, A2, A3, A4 and A5 air bag district and is communicated with it, and described the second air flue connects described B1, B2, B3, B4 and B5 air bag district and is communicated with it, and described the 3rd air flue connects described C air bag district and is communicated with it; Above-mentioned array is:

8. the described anti-pressure sore cushion with subregion air bag of any one according to claim 1-7, it is characterized in that, also comprise control device, this control device is electrically connected the described valve on the wireway, and be electrically connected described aerating device, thereby the control aerating device is inflated wireway, perhaps controls the wireway exhaust.

9. the described anti-pressure sore cushion with subregion air bag of any one according to claim 1-7, it is characterized in that, each air bag in the described air bag array is the column air bag, this column air bag includes the enclosing cover layer of column and is arranged on the interior air bag post of this enclosing cover layer, and be provided with hydrogel layer on this air bag post top, be provided with sealant between described air bag post top and the described hydrogel layer, air is filled in the space between described enclosing cover layer, described air bag post and the described sealant.

10. the anti-pressure sore cushion with subregion air bag according to claim 8, it is characterized in that, each air bag in the described air bag array is the column air bag, this column air bag includes the enclosing cover layer of column and is arranged on the interior air bag post of this enclosing cover layer, and be provided with hydrogel layer on this air bag post top, be provided with sealant between described air bag post top and the described hydrogel layer, air is filled in the space between described enclosing cover layer, described air bag post and the described sealant.