WO2018203451A1

WO2018203451A1 - Cushion apparatus

Info

Publication number: WO2018203451A1
Application number: PCT/JP2018/011458
Authority: WO
Inventors: 雅之平田; 華苗日下部; 優華大村
Original assignee: 国立大学法人大阪大学
Priority date: 2017-05-01
Filing date: 2018-03-22
Publication date: 2018-11-08
Also published as: JP2020110194A

Abstract

The cushion apparatus according to one aspect of the present invention is provided with: a plurality of cushion modules for supporting respective predetermined body parts of a user, the plurality of cushion modules being each configured to be expandable and contractible by a fluid being let into/out of the cushion module, and each having a pair of bag parts arranged on left and right sides; a fluid supply device that is configured so as to be able to inject a fluid into unifyingly defined one-side bag parts of the pairs of the bag parts of the cushion modules; and a fixing tool including a fixing mechanism for fixing the cushion modules at positions corresponding to the body parts of the user.

Description

Cushion device

The present invention relates to the technology of a cushion device.

A person who cannot change his / her position, such as a bedridden patient, may develop pressure ulcers due to blood circulation failure in a place where his / her body weight has been pressed for a long time. In order to avoid the occurrence of pressure ulcers, various methods for changing the posture of the bedridden have been proposed.

For example, Patent Document 1 proposes a mattress for posture change. The mattress includes a main mattress made of an air mattress or a urethane mattress, and a left knee air cell, a right knee air cell, a left shoulder air cell, and a right shoulder air cell arranged below the main mattress. Each air cell can be supplied with an air pump, and by supplying air to the left knee air cell and left shoulder air cell or right knee air cell and right shoulder air cell, It can be tilted to the left, thereby realizing a change in the position of the bedridden.

Further, in Patent Document 2, an air bed for protecting the bedridden automatically turning over is proposed. In this air bed, the head region, the neck region, the back region, the thigh region, the knee region, and the leg region are provided on the pad along the long axis direction, and the head region and the leg region are respectively provided. A support air cushion is attached, and a rollover air cushion is attached to each of the head region, the neck region, the back region, the thigh region, and the knee region. The support air cushion and the turnover air cushion are configured to be supplied with air by an air pump unit. According to this air bed, the body of the bedridden person can be tilted to the right or left by supplying more air to the lying air cushion arranged in each area of the right half or the left half than the other areas. Thus, it is possible to realize a change in the posture of the bedridden person.

JP 2014-060442 A JP 2016-016326 A

According to the methods proposed in Patent Documents 1 and 2 above, it is possible to realize the body posture change of the bedridden person. However, the methods proposed in Patent Documents 1 and 2 have a problem in that a dedicated mattress or bed is prepared and the manufacturing cost is high. Moreover, in these conventional apparatuses, since each air cushion is positioned and fixed in advance on a dedicated mattress or bed, the movable part cannot be disposed at an appropriate position of the body part. Problems such as shifting will occur. As a result, the body part of the user cannot be pushed up properly, and there is a problem that the posture change at an angle sufficient to effectively prevent pressure ulcer cannot be realized.

In one aspect, the present invention has been made in view of such circumstances, and an object of the present invention is to provide a technique that enables low-cost and sufficient angle change to effectively prevent pressure ulcers. Is to provide.

The present invention adopts the following configuration in order to solve the above-described problems.

In other words, the cushion device according to one aspect of the present invention is a plurality of cushion modules for supporting a predetermined body part of a user, each of which is configured to be inflated and deflated by taking in and out of a fluid, and is divided respectively. And a plurality of cushion modules each having a pair of bag portions arranged on the left and right sides, and fluid injection (supply) to one of the pair of bag portions for each of the cushion modules. A fluid supply device configured to be executable; and a fixture having a fixing mechanism that adjustably fixes each cushion module at a position corresponding to each body part of the user.

The cushion device according to the configuration is used by injecting fluid uniformly into one of a pair of bag portions of each cushion module arranged corresponding to each body part of the user (bed person) The person's body can be tilted in either the left or right direction. Thereby, according to the cushion apparatus which concerns on the said structure, a bedridden's posture change can be implemented.

This cushion device can be applied to conventional beds. That is, by arranging each cushion module on a conventional bed, the conventional bed can be given a function of changing the posture. In addition, each cushion module is separated, and each air cushion can be adjusted and fixed to a position corresponding to each body part of the user by a fixing tool. Each air cushion can be arranged at a suitable position of the part.

Therefore, according to this configuration, it is not necessary to prepare a dedicated mattress or bed, and each cushion module can be fixed at a position suitable for each body part of the user. Therefore, it is possible to provide a cushion device capable of performing posture change at an angle sufficient to effectively prevent pressure ulcer at low cost. Moreover, according to the cushion apparatus which concerns on the said structure, it is also possible to implement limb position conversion of a bedridden person by adjusting the pressure of each bag part of each cushion module suitably. The fluid supply device may include any device that can supply fluid, and may be, for example, an air compressor, an air pump, a water pump, or the like. The fluid used may be a gas such as air or a liquid such as water.

In the cushion device according to the one aspect, the plurality of cushion modules include a back cushion module for supporting the user's back, a lumbar cushion module for supporting the user's lower back, and the Three cushion modules of a leg cushion module for supporting both legs of the user may be included. According to the said structure, the cushion apparatus which can perform a user's posture change appropriately can be provided.

In the cushion device according to the one aspect, the fluid supply device does not inject fluid into the pair of bag portions of the lumbar region cushion module or discharges the fluid at the same time, and simultaneously performs the lumbar region cushion module. It is configured to allow the user's lower back part to be opened in either the left or right direction by injecting fluid into one of the pair of bag parts for the other cushion module. It's okay. The cushion device according to the configuration does not inject fluid into both bag portions of the cushion module for the lumbar region while lifting a body part other than the user's lumbar region with one bag portion of each cushion module, or from both bag portions By discharging the fluid, the user's lower back can be opened. Caregivers such as nurses can exchange diapers for the hips that are opened in this state. Therefore, according to the said structure, the cushion apparatus which can support diaper replacement | exchange can be provided.

In the cushion device according to the one aspect, the pair of bag portions of the leg cushion module may be provided corresponding to the left and right legs of the user, and each bag portion is inflated by taking in and out a fluid. And a pair of leg massage parts each configured to be contractible and disposed so as to sandwich each leg, and the fluid supply device injects fluid into each leg massage part. In addition, fluid may be injected into each bag portion of the leg cushion module so that the legs are inclined. According to the said structure, the cushion apparatus which can perform a user's leg massage can be provided. Furthermore, it is possible to expect a deep vein thrombosis preventive effect by providing comfort to the user by appropriately performing leg massage and also changing the posture of the user's leg. Further, the posture of the leg portion of the user can be changed by the leg cushion module.

The cushion device according to one aspect may further include a pair of arm modules that respectively support the left and right arm portions. Each of the arm modules may include a pair of arm massage parts that are configured to be inflated and contracted by taking in and out of the fluid, and are arranged so as to sandwich the arm parts. May be configured such that fluid can be injected into each of the arm massage portions. According to the said structure, the cushion apparatus which can perform a user's arm massage can be provided. Furthermore, by appropriately performing the arm massage, it is possible to provide comfort to the user and to expect the effect of preventing deep vein thrombosis.

In the cushion device according to the one aspect, each of the arm modules may further include a bag portion disposed below the pair of arm massage portions and configured to be inflated and deflated by taking in and out of the fluid, The fluid supply device may be configured such that fluid can be injected into the bag portion of each arm module so that the arm portions are inclined. According to this configuration, the posture of the user's arm can be changed by the arm module.

In the cushion device according to the one aspect, a hook-and-loop fastener may be provided on the back surface of each cushion module, and the fixing device may be formed in a sheet shape, and the fixing device formed in the sheet shape. A hook-and-loop fastener may be provided on the upper surface as the fixing mechanism. According to the said structure, each cushion module can be easily attached or detached to a desired position.

In the cushion device according to the one aspect, a band for hooking on the bed may be provided at one end of the fixture. According to the said structure, the position shift of a cushion apparatus can be suppressed.

The cushion device according to the one aspect may further include an operation device that operates an amount of fluid injected into each bag portion by the fluid supply device. According to the said structure, the cushion apparatus which can operate each bag part of each cushion module to the pressure which a user desires can be provided. The operation device may be a switch device that instructs to inject or discharge fluid to each bag portion by a button operation, or a man to instruct to inject or discharge fluid to each bag portion using the user's biological signal. It may be a machine interface. This man-machine interface includes a brain machine interface using an electroencephalogram.

The cushion device according to the one aspect may further include a sheet body that covers the plurality of cushion modules. According to the said structure, it can prevent that each cushion module gets dirty with a sheet | seat body, and can suppress the position shift of each cushion module.

According to the present invention, it is possible to provide a technique that enables low-cost and sufficient angle change to effectively prevent pressure ulcers.

FIG. 1A schematically illustrates the configuration of the cushion device according to the embodiment. FIG. 1B schematically illustrates a usage scene of the cushion device according to the embodiment. FIG. 2 schematically illustrates the system configuration of the cushion device according to the embodiment. FIG. 3A schematically illustrates an inflated state of the airbag portion of the cushion module according to the embodiment. FIG. 3B schematically illustrates the contracted state of the airbag portion of the cushion module according to the embodiment. FIG. 3C schematically illustrates the back surface of the airbag portion of the cushion module according to the embodiment. FIG. 4A schematically illustrates an inflated state of the side balloon portion of the cushion module according to the embodiment. FIG. 4B schematically illustrates the contracted state of the side balloon portion of the cushion module according to the embodiment. FIG. 4C schematically illustrates the back surface of the side balloon portion of the cushion module according to the embodiment. FIG. 5A schematically illustrates the fixture according to the embodiment. FIG. 5B schematically illustrates a scene in which each cushion module is fixed by the fixture according to the embodiment. FIG. 6A schematically illustrates control of each cushion module according to the embodiment. FIG. 6B schematically illustrates the state of the bedridden person during the control of FIG. 6A. FIG. 7 schematically illustrates control of each cushion module according to the embodiment. FIG. 8 schematically illustrates control (diaper replacement) of each cushion module according to the embodiment. FIG. 9 schematically illustrates the configuration of each cushion module according to the modification. FIG. 10 schematically illustrates the configuration of a leg cushion module according to a modification. FIG. 11 schematically illustrates the configuration of the arm module according to the modification. FIG. 12 schematically illustrates the configuration of the cushion device according to the modification.

Hereinafter, an embodiment according to one aspect of the present invention (hereinafter also referred to as “this embodiment”) will be described with reference to the drawings. However, this embodiment described below is only an illustration of the present invention in all respects. Various improvements or modifications may be made without departing from the scope of the present invention. That is, in implementing the present invention, a specific configuration according to the embodiment may be adopted as appropriate.

§1 Configuration Example First, the configuration of the cushion device 1 according to the present embodiment will be described with reference to FIGS. 1A, 1B, and 2. FIG. FIG. 1A schematically illustrates the configuration of the cushion device 1 according to the present embodiment. FIG. 1B schematically illustrates a scene in which a user (bed person) uses the cushion device 1 according to the present embodiment. FIG. 2 schematically illustrates the system configuration of the cushion device 1 according to the present embodiment.

1A and 1B, the cushion device 1 according to the present embodiment includes three cushion modules 11 to 13, an air compressor 20, and a fixture 30. The three cushion modules 11 to 13 are used to support predetermined body parts of the user.

In the present embodiment, of the three cushion modules 11 to 13, the back cushion module 11 supports the back of the user. The lumbar region cushion module 12 supports the lumbar region of the user. The leg cushion module 13 supports the leg of the user. Each cushion module 11 to 13 is fixed on the bed 4 by a fixing tool 30 at a position corresponding to each body part of the user. A head cushion 14 is disposed on the upper side of the back cushion module 11. Therefore, as illustrated in FIG. 1B, in this embodiment, the user is supported by the head cushion 14 and the cushion modules 11 to 13 with the head, back, waist and legs supported, You are going to bed on the bed 4.

Each of the cushion modules 11 to 13 includes a pair of airbag portions (111, 121, 131) on the left and right sides, and each airbag portion (111, 121, 131) is inflated and removed by air taken in and out by the air compressor 20. It is configured to be shrinkable. Therefore, the cushion modules 11 to 13 can incline the whole or a part of the user's body to the left or right by appropriately inflating or deflating the airbag portions (111, 121, 131). Therefore, according to the cushion apparatus 1 which concerns on this embodiment, a user's body posture conversion and limb position conversion can be performed appropriately. Hereinafter, each component will be described.

[Cushion module]
First, the cushion modules 11 to 13 will be described. Each of the cushion modules 11 to 13 is divided and includes a pair of airbag portions (111, 121, 131) and a pair of side balloon portions (112, 122, 132). The pair of airbag portions (111, 121, 131) are arranged side by side in the left-right direction. On the other hand, the pair of side balloon portions (112, 122, 132) are arranged so as to sandwich the pair of airbag portions (111, 121, 131) in the left-right direction. Each airbag part (111, 121, 131) corresponds to a “bag part” of the present invention.

Note that the “left-right direction” is a reference when the user who uses each of the cushion modules 11 to 13 gets on the bed correctly on his / her back. That is, the airbag part (111, 121, 131) arranged on the right side of each cushion module 11 to 13 supports each part of the user's right body. On the other hand, the airbag part (111, 121, 131) arrange | positioned on the left side supports each site | part of a user's left half body.

Each airbag part (111, 121, 131) and each side balloon part (112, 122, 132) are formed in a bag shape, and can be inflated and deflated by taking air into and out of the internal space by the air compressor 20. It is configured. That is, each airbag part (111, 121, 131) and each side balloon part (112, 122, 132) can be changed in size by being supplied or deaerated by the air compressor 20. It has become.

As long as the material of each airbag part (111, 121, 131) and each side balloon part (112, 122, 132) can be configured in this way, it may be appropriately selected according to the embodiment. . For example, fiber materials such as vinyl, nylon, polyester, polyethylene, and polypropylene may be used as materials for the airbag portions (111, 121, 131) and the side balloon portions (112, 122, 132).

(Airbag part)
Next, the airbag portions (111, 121, 131) will be described in detail with further reference to FIGS. 3A to 3C. FIG. 3A schematically illustrates an inflated state of each airbag portion (111, 121, 131) viewed from the up-down direction. FIG. 3C schematically illustrates the contracted state of each airbag portion (111, 121, 131) viewed from the up-down direction. FIG. 3C schematically illustrates the back surface of each airbag part (111, 121, 131), in other words, the surface facing the fixture 30 side.

3A and 3B, each airbag part (111, 121, 131) according to the present embodiment includes a connecting part 16 that is connected to the air compressor 20. Thereby, each airbag part (111, 121, 131) expand | swells in circular arc shape from the one end part (end part which faces the center) side by injecting air into internal space via the connection part 16. It is configured to be possible. Each of such airbag portions (111, 121, 131) can be manufactured, for example, by connecting three bags in a bellows shape and providing an air flow path between the bags.

Further, as shown in FIG. 3C, two hook-and-loop fasteners 15 for detachably fixing to the fixture 30 are attached to the back surface of each airbag portion (111, 121, 131). In the present embodiment, two hook-and-loop fasteners 15 extending in the vertical direction are arranged side by side in the horizontal direction. However, the number and arrangement of the hook-and-loop fasteners 15 do not have to be limited to such examples, and may be appropriately selected according to the embodiment.

(Side balloon part)
Next, the side balloon portions (112, 122, 132) will be described in detail with further reference to FIGS. 4A to 4C. FIG. 4A schematically illustrates an inflated state of each side balloon portion (112, 122, 132) viewed from the up-down direction. FIG. 4B schematically illustrates the contracted state of each side balloon portion (112, 122, 132) viewed from the up-down direction. FIG. 4C schematically illustrates the back surface of each side balloon portion (112, 122, 132).

4A and 4B, each side balloon part (112, 122, 132) according to the present embodiment has a connecting part 18 that is connected to the air compressor 20. Thereby, each side balloon part (112,122,132) is comprised so that it can expand | swell to cylindrical shape by inject | pouring air into internal space via the connection part 18. As shown in FIG. Each such side balloon part (112,122,132) can be produced by utilizing a cylindrical bag.

Further, as shown in FIG. 4C, a hook-and-loop fastener 17 for detachably fixing to the fixture 30 is attached to the back of each side balloon portion (112, 122, 132). In the present embodiment, one hook-and-loop fastener 17 extending in the vertical direction is disposed at the center in the horizontal direction. However, the number and arrangement of the hook-and-loop fasteners 17 may not be limited to such an example, and may be appropriately selected according to the embodiment.

Each air bag part (111, 121, 131) supports each body part of the user, whereas each side balloon part (112, 122, 132) is used by a user whose body is inclined. The user is supported from the outside so as not to fall off the bed (FIG. 6B described later). Therefore, each side balloon part (112,122,132) is arrange | positioned on the outer side of each airbag part (111,121,131) so that it may be located a little outside of a user's body.

[Air compressor]
Next, the air compressor 20 will be described. The air compressor 20 corresponds to the “fluid supply device” of the present invention. As the air compressor 20, a known air compressor such as an oilless air compressor or an oil type air compressor may be used. In the present embodiment, the air compressor 20 is connected to the control device 21. The operation of the air compressor 20 is controlled by the control device 21.

As the control device 21, for example, a microcomputer including a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a peripheral circuit, and the like may be used. The control device 21 controls the supply and discharge of air by the air compressor 20 to the airbag portions (111, 121, 131) and the side balloon portions (112, 122, 132) of the cushion modules 11-13.

For example, when the user's right half is lifted and the user is tilted counterclockwise, the control device 21 injects air into each airbag unit (111, 121, 131) arranged on the right side ( The air compressor 20 is controlled to supply air. At this time, the control device 21 further controls the air compressor 20 so as to inject air into the respective side balloon portions (112, 122, 132) arranged on the left side.

Further, when the user's left half is lifted and the user is tilted clockwise, the control device 21 injects air into each airbag unit (111, 121, 131) arranged on the left side ( The air compressor 20 is controlled to supply air. At this time, the control device 21 further controls the air compressor 20 so as to inject air into each side balloon portion (112, 122, 132) arranged on the right side.

Thus, the air compressor 20 is configured to be able to inject air into each of the cushion modules 11 to 13 in one of the pair of airbag portions (111, 121, 131). However, the control of the air compressor 20 by the control device 21 is not limited to such an example, and may be appropriately set according to the embodiment.

For example, the air compressor 20 does not inject air into or discharges air from the pair of airbag portions 121 of the lumbar region cushion module 12 by the control device 21 and does not exhaust the lumbar region cushion module 12. The other cushion modules (11, 13) may be controlled to inject air into one of the pair of airbag portions (111, 131). At this time, the control device 21 does not inject air into the both side balloon portions 122 of the lower back cushion module 12 and does not inject air into the other cushion modules (11, 13). The air compressor 20 is further controlled so as to inject air into the side balloon portions (112, 132) on the side opposite to the side where the air is injected.

Further, for example, the air compressor 20 may be controlled by the control device 21 so as to inject air appropriately into all the airbag portions (111, 121, 131). Thereafter, the control device 21 injects further air into the airbag portions (111, 121, 131) disposed on one of the right side and the left side, and air from the airbag portions (111, 121, 131) disposed on the other side. May be controlled to discharge. Thereby, the direction of the user's body can be greatly tilted clockwise or counterclockwise.

In the present embodiment, an operation device 22 is connected to the control device 21. For example, the operation device 22 receives an input from a user or the like and transmits the received input content to the control device 21. The control device 21 determines the operation of the air compressor 20 based on the input content received from the operation device 22. As described above, the operating device 22 according to the present embodiment can control the amount of air injected into the airbag portions (111, 121, 131) and the side balloon portions (112, 122, 132) by the air compressor 20. Configured.

As a specific example of such an operation device 22, a switch device for instructing air injection or discharge to each air bag portion (111, 121, 131) by a button operation, and each air bag using a user's biological signal. It is possible to raise a man-machine interface or the like for instructing injection or discharge of air to the parts (111, 121, 131). The man-machine interface includes a brain machine interface that uses a user's brain wave. By using a switch device as the operation device 22, the operation of each airbag part (111, 121, 131) of the cushion device 1 can be facilitated. Further, by using a man-machine interface (particularly, a brain machine interface) as the operation device 22, even the user who is completely paralyzed in the limbs can operate the cushion device 1. .

However, the type of the operation device 22 is not limited to such an example, and may be appropriately selected according to the embodiment. For example, the controller device 22 may be configured to be capable of voice operation by including a microphone or the like. The control device 21 may control the operation of the air compressor 20 based on environmental information such as temperature. In this case, the operation device 22 is configured to acquire environment information via an external sensor, a network, and the like, and notify the control device 21 of the acquired environment information.

The operating device 22 may be configured to shift each airbag portion (111, 121, 131) to a predetermined state such as a fully inflated state or a deflated state by a single operation. You may be comprised so that fine adjustment of the air quantity of an airbag part (111, 121, 131) is possible. By configuring the operating device 22 so that each airbag portion (111, 121, 131) is shifted to a predetermined state by a single operation, the operability of the operating device 22 can be improved. Moreover, the user can finely adjust the body position and the limb position by configuring the operation device 22 so that the amount of air in each airbag portion (111, 121, 131) can be finely adjusted. .

[Fixture]
Next, the fixture 30 will be described with further reference to FIG. 5A. FIG. 5A schematically illustrates the configuration of the fixture 30 according to the present embodiment. As shown in FIG. 5A, the fixture 30 according to this embodiment includes a main body 31 and two strips 32.

The main body 31 is formed in a substantially rectangular sheet shape, and the upper side (the head side when the user goes to bed) has a trapezoidal shape. The two belt bodies 32 are connected to the upper end portion of the main body portion 31 side by side in the left-right direction, and can be hooked on the headboard of the bed 4 or the like. Thereby, when the fixing tool 30 is mounted on the bed 4, the positional deviation of the fixing tool 30 can be suppressed.

FIG. 5B schematically illustrates a scene in which the cushion modules 11 to 13 are fixed by the fixing tool 30. As shown in FIG. 5B, when the cushion device 1 according to this embodiment is used, the cushion modules 11 to 13 are placed on the main body 31 of the fixture 30. A hook-and-loop fastener 33 is attached to the upper surface of the main body 31 formed in a sheet shape at a position where the cushion modules 11 to 13 are fixed. Therefore, by attaching the surface fasteners (15, 17) of the cushion modules 11 to 13 to the corresponding surface fasteners 33 while appropriately adjusting the positions, the cushion modules 11 to 13 are attached to the body of the user. It can be fixed to a position suitable for the region.

§2 Usage Example Next, a usage example of the cushion device 1 according to the present embodiment will be described with reference to FIGS. 6A, 6B, 7 and 8. 6A, 6B, 7 and 8 schematically illustrate the usage scene of the cushion device 1 according to the present embodiment.

(Preparation for use)
First, as a preparation for use, the fixture 30 is laid on the bed 4 to be used. The fixing tool 30 is appropriately fixed by, for example, hooking the band 32 on the head board. Next, the cushion modules 11 to 13 are fixed on the fixing tool 30 by attaching the surface fasteners (15, 17) of the cushion modules 11 to 13 to the corresponding surface fasteners 33 of the fixing tool 30, respectively. . And the air compressor 20 is connected to each airbag part (111, 121, 131) and each side balloon part (112, 122, 132). Thereby, the cushion apparatus 1 will be in an available state. That is, the cushion device 1 is in a state in which it is possible to perform body posture conversion and limb position conversion of a user (bed person) who is put on the cushion modules 11 to 13.

(Posture change and limb position change)
As shown in FIG. 6A and FIG. 6B, when the posture change is performed by lifting the left half of the user (bed person) and tilting the user clockwise, the control device 21 controls each air arranged on the left side. The air compressor 20 is controlled so as to inject (supply) air into the bag part (111, 121, 131) and the side balloon parts (112, 122, 132) arranged on the right side. Before this, when each airbag part (111, 121, 131) arranged on the right side is inflated, the control device 21 takes air from each airbag part (111, 121, 131) arranged on the right side. The air compressor 20 is appropriately controlled so as to discharge (degas) the air. As a result, each airbag part (111, 121, 131) arranged on the right side is in a contracted state, whereas each airbag part (111, 121, 131) arranged on the left side is in an inflated state. become.

Thus, the user's posture can be changed so that the left half of the user is lifted by the airbag portions (111, 121, 131) arranged on the left side and tilted clockwise. Moreover, the limb position conversion of a user's body part can be implemented by adjusting suitably the quantity of the air inject | poured into each airbag part (111, 121, 131). Furthermore, as shown in FIG. 6B, the right side balloon portion (112, 122, 132) on the right side inflated supports the right end of the user tilted clockwise, while ensuring the user's posture change. The user can be prevented from falling off the bed 4.

On the other hand, as shown in FIG. 7, when the posture change is performed by lifting the user's right half and tilting the user counterclockwise, the control device 21 controls each airbag unit (111, 121) arranged on the right side. 131) and the side balloon portions (112, 122, 132) arranged on the left side, the air compressor 20 is controlled so as to inject air uniformly. Before this, when each airbag part (111, 121, 131) arrange | positioned on the left side is inflated as mentioned above, the control apparatus 21 is each airbag part (111, 121, 131) arrange | positioned on the left side. 131) appropriately controls the air compressor 20 so as to discharge air from the air. As a result, each airbag part (111, 121, 131) arranged on the left side is in a contracted state, whereas each airbag part (111, 121, 131) arranged on the right side is in an inflated state. become.

Thus, the user's right body can be lifted by the airbag portions (111, 121, 131) arranged on the right side, and the user's posture can be changed so as to tilt counterclockwise. Moreover, the limb position conversion of a user's body part can be implemented by adjusting suitably the quantity of the air inject | poured into each airbag part (111, 121, 131). Further, the left side balloon portions (112, 122, 132) on the left side inflated support the left end of the user tilted counterclockwise, and the user can change the posture of the user while the user can change the posture of the user. It can be prevented from falling from above.

(Diaper exchange)
Further, as shown in FIG. 8, the control device 21 does not inject air into the pair of airbag portions 121 and the pair of side balloon portions 122 of the lower back cushion module 12 so as to be in a contracted state. Alternatively, the air compressor 20 may be controlled. When air is contained in the pair of airbag portions 121 and the pair of side balloon portions 122 of the lumbar region cushion module 12, the control device 21 discharges the air from the airbag portions 121 and the side balloon portions 122. The air compressor 20 may be controlled so as to implement. In addition, at the same time that the fluid injection is not performed or the fluid is discharged, the control device 21 makes a pair of airbag portions to the other cushion modules (11, 13) other than the lower back cushion module 12. The air compressor 20 may be controlled so that air is injected in a unified manner to either one of (111, 131). And the control apparatus 21 inject | pours air into the side balloon part (112, 132) on the opposite side to the side which injected air of the airbag part (111, 131) with respect to other cushion modules (11, 13). As such, the air compressor 20 may be further controlled. In the example of FIG. 8, control for inflating the airbag portions (111, 131) disposed on the right side of the other cushion modules (11, 13) and the side balloon portions (112, 132) disposed on the left side is shown. ing.

Thereby, the user (bed person) can lift up the body part other than the lumbar region by the one airbag part (111, 131) of each cushion module (11, 13), and the user (bed person). The lower back is opened in either the left or right direction. Caregivers such as nurses can exchange diapers for the hips that are opened in this state. Therefore, the cushion device 1 according to the present embodiment controls the air bag portions (111, 121, 131) and the side balloon portions (112, 122, 132) as described above, so that the diaper of the bedridden person can be used. Can support exchange.

In addition, the control which makes each airbag part (111, 121, 131) the above states does not need to be limited to the above examples. For example, the control device 21 controls the air compressor 20 to inject air into one of the pair of airbag portions (111, 121, 131) for each of the cushion modules 11-13. May be. And the control apparatus 21 may control the air compressor 20 so that air may be discharged | emitted from the airbag part 121 of the cushion module 12 for the waist part which implemented air injection | pouring. Thereby, each airbag part (111, 121, 131) can be made into the same state as the above.

(Other)
The control may be performed as a result of receiving an input by the controller device 22. Further, the control device 21 may perform control to finely adjust the amount and speed of the air injected into and discharged from each airbag unit (111, 121, 131) by the input from the operation device 22. Thereby, the user can tilt each body part to a desired angle.

[Characteristic]
As described above, the cushion device 1 according to the present embodiment has the pair of airbag portions (111, 121, 131) of the cushion modules 11 to 13 arranged corresponding to the body parts of the user (bed person). ), The body of the bedridden can be tilted in either the left or right direction (FIGS. 6A, 6B, and 7). Therefore, according to the cushion device 1 according to the present embodiment, it is possible to change the posture of the bedridden person.

Further, since the cushion device 1 can be used by placing the cushion modules 11 to 13 on the bed 4 as described above, it is not necessary to make any special changes to the bed 4. That is, the cushion device 1 can be applied to a conventional bed. Therefore, according to the cushion apparatus 1 which concerns on this embodiment, the function of a body posture conversion can be provided to the conventional bed.

In addition, by fixing the cushion modules 11 to 13 with the fixing tool 30, the fixing positions of the cushion modules 11 to 13 can be appropriately adjusted according to the user's body. Therefore, each body part of the user can be effectively pushed up by each airbag part (111, 121, 131) of each cushion module 11 to 13 appropriately disposed on each body part of the user.

Therefore, according to the cushion device 1 according to the present embodiment, it is possible to change the posture of the bedridden person without preparing a dedicated mattress or bed, and the positions of the cushion modules 11 to 13 can be used. It can be appropriately adjusted according to the person's body. Therefore, it is possible to perform posture change at an angle sufficient to effectively prevent pressure ulcer at low cost. It is also possible to change the limb position of the bedridden by appropriately adjusting the amount of air (that is, air pressure) in each airbag portion (111, 121, 131).

§3 Modifications As described above, the embodiments of the present invention have been described in detail. However, the above description is merely an illustration of the present invention in all respects. It goes without saying that various improvements and modifications can be made without departing from the scope of the present invention. In addition, regarding each component of the cushion device 1, the component may be omitted, replaced, and added as appropriate according to the embodiment. Moreover, the shape and size of each component of the cushion device 1 may be set as appropriate according to the embodiment. For example, the following changes are possible. In the following, the same reference numerals are used for the same components as in the above embodiment, and the description of the same points as in the above embodiment is omitted as appropriate. The following modifications can be combined as appropriate.

<3.1>
In the above-described embodiment, the cushion device 1 includes the three cushion modules 11 to 13 corresponding to the back part, the waist part, and the leg part, respectively. However, the number and arrangement of the cushion modules need not be limited to such an example, and may be appropriately selected according to the embodiment. The number of cushion modules may be two, or four or more. Further, the configuration of each cushion module may not be limited to the example of the above-described embodiment, and may be appropriately determined according to the embodiment.

9 and 10 schematically illustrate the configuration of the cushion module according to the modification. The cushion device according to this modification includes four cushion modules 11A to 14A. Similar to the back cushion module 11, the back cushion module 11A includes a pair of airbag portions 111A. Similar to the lumbar region cushion module 12, the lumbar region cushion module 12 </ b> A includes a pair of airbag portions 121 </ b> A.

The leg cushion module 13A includes a pair of airbag portions 131A provided corresponding to the left and right legs of the user. Each airbag section 131A includes a pair of leg air massage sections 51 arranged to wrap and sandwich each leg of the user. Each leg air massage part 51 is formed in the bag shape extended in an up-down direction, for example, and is comprised so that expansion | swelling and shrinkage | contraction can be carried out by the air compressor 20 taking in / out.

As a specific example, as shown in FIG. 10, each leg air massage part 51 is configured to expand and contract in the left-right direction due to fluctuations in air pressure due to air supply and deaeration. Thereby, each air massage part 51 for legs can massage each leg of the user by pinching each leg of the user and repeating compression and release. Each leg air massage part 51 is equivalent to the "leg massage part" of the present invention. The air compressor 20 may inject fluid into each leg air massage part 51 and inject fluid into each airbag part 131A of each leg cushion module 13A. Thereby, each leg part of a user can be inclined and the attitude | position of the said leg part can be converted (limb position conversion).

Further, the cushion device according to the present modification includes a head cushion module 14A arranged corresponding to the user's head. The head cushion module 14 </ b> A includes a pair of airbag portions 141 </ b> A, like the other cushion modules. Each airbag portion 141A is configured in the same manner as the airbag portion 111 and the like.

Furthermore, the cushion device according to this modification includes a pair of arm modules 19 that respectively support the left and right arm portions. As shown in FIG. 11, each arm module 19 includes a pair of arm air massage parts 52 arranged so as to sandwich each arm part. Each air massage part 52 for arms is formed in the shape of a bag extended in the up-and-down direction, for example, and is constituted so that expansion and contraction are possible by taking in and out air by air compressor 20. Each arm module 19 includes an airbag portion 191 that is disposed below the pair of arm air massage portions 52 and is configured to be inflated and deflated by taking in and out of the fluid. Each arm air massage unit 52 operates in the same manner as each leg air massage unit 51 to massage the user's arm. Each arm air massage part 52 corresponds to the “arm massage part” of the present invention. The airbag portion 191 corresponds to a “bag portion” of each arm module of the present invention. The air compressor 20 may inject fluid into the airbag portion 191 of each arm module 19. Thereby, each arm part of a user can be inclined and the attitude | position of each said arm part can be converted (limb position conversion).

The air compressor 20 is configured so as to be able to inject and discharge air to and from the airbag portions 141A of the head cushion module 14A together with the cushion modules 11A to 13A. The air compressor 20 is configured to be able to inject and discharge air with respect to the leg air massage portions 51 and the arm air massage portions 52. Except for the above points, the cushion device according to this modification is configured in the same manner as the cushion device 1 according to the above embodiment.

According to this modification, it is possible to massage each leg of the user by changing the air pressure of the air massage part 51 for each leg by the air compressor 20. Similarly, by changing the air pressure of the air massage part 52 for each arm by the air compressor 20, it is possible to massage each arm of the user. By appropriately adjusting the air pressure of each leg air massage part 51 and each arm air massage part 52, deep vein thrombosis can be prevented while enhancing the comfort of the massage.

Furthermore, by holding each leg of the user by each leg air massage part 51, each leg of the user is displaced from each airbag part 131A when each airbag part 131A expands and contracts. Can be prevented. Thereby, a user's body posture conversion and limb position conversion can be implemented appropriately. In addition, the method of preventing the shift | offset | difference of the body part at the time of such use may not be restricted to the method using the air massage parts 51 for each leg as described above. Each airbag unit may be configured to be able to hold each body part as appropriate. For example, a configuration such as a holder for holding each body part of the user may be added to each airbag part, or each airbag part may be formed so as to have a shape for holding each body part.

In the example of FIG. 9, each leg air massage part 51 and each arm air massage part 52 extend integrally in the vertical direction. However, the configuration of each leg air massage part 51 and each arm air massage part 52 may not be limited to such an example, and each leg air massage part 51 and each arm air massage part 52 may be It may be divided in the direction.

In addition, the cushion device 1 according to the above embodiment includes a plurality of bags that are inflated and contracted by the same air as the air massage portions, which are arranged on both sides of each leg and / or each arm in the vertical direction. You may prepare. In this case, each bag is configured to have a shape capable of performing abduction and adduction of the shoulder joint and / or the hip joint by expansion and contraction. As a result, it is possible to provide a cushion device that can carry out training of the range of motion of each leg and / or each arm and can be expected to prevent contracture. In addition, you may comprise each bag so that it may have the shape which can perform the external rotation and internal rotation of a shoulder joint and / or a hip joint by expansion | swelling and contraction.

Moreover, in the said embodiment, each airbag part (111, 121, 131) and each side balloon part (112, 122, 132) are connected with the air compressor 20 via a connection part (16, 18). It is configured to be able to expand and contract. However, the structure of each airbag part (111, 121, 131) and each side balloon part (112, 122, 132) may not be limited to such an example. For example, each airbag part (111, 121, 131) and each side balloon part (112, 122, 132) have an air discharge port in addition to the connection parts (16, 18) connected to the air compressor 20. The internal air may be naturally discharged depending on the weight of the user.

<3.2>
In the above embodiment, each of the cushion modules 11 to 13 includes a pair of side balloon portions (112, 122, 132) outside the pair of airbag portions (111, 121, 131) in the left-right direction. However, each side balloon part (112, 122, 132) may be omitted. Moreover, it replaces with each side balloon part (112,122,132), and cushions, such as urethane, may be arrange | positioned.

<3.3>
In the above embodiment, the fixture 30 includes the hook-and-loop fastener 33 as a fixing mechanism for fixing the cushion modules 11 to 13. However, the fixing mechanism is not limited to such an example, and may be appropriately selected according to the embodiment as long as the cushion modules 11 to 13 can be fixed in an adjustable manner. For example, a button, a general fastener, or the like may be used instead of the hook-and-loop fastener.

<3.4>
Further, as illustrated in FIG. 12, the cushion device 1 may include a sheet body 60 that covers the cushion modules 11 to 13. The sheet body 60 may be, for example, a bed sheet. As the material of the sheet body 60, a cloth material, a fiber material, or the like can be used. In the example of FIG. 12, the seat body 60 integrally covers the three cushion modules 11 to 13 on the upper surface of the bed 4. However, the configuration of the sheet body 60 may not be limited to such an example. For example, the seat body 60 may be provided separately for each cushion module.

<3.5>
Moreover, in the said embodiment, the fixing tool 30 is provided with the two strip | belt bodies 32 connected with the upper end part of the main-body part 31 along with the left-right direction. However, the number and arrangement of the band bodies 32 may not be limited to such an example, and may be appropriately determined according to the embodiment. The band body 32 only needs to be connected to one end of the fixture 30 (main body portion 31), and may be attached to a portion of the bed 4 such as a fence.

<3.6>
Moreover, in the said embodiment, the air compressor 20 is utilized as a fluid supply apparatus which expands and contracts each airbag part (111, 121, 131) and each side balloon part (112, 122, 132). However, the fluid supply device may not be limited to the air compressor, and may be appropriately selected according to the embodiment. For example, in the above embodiment, an air pump, a water pump, or the like may be used instead of the air compressor 20. Moreover, the fluid injected into each airbag part (111, 121, 131) and each side balloon part (112, 122, 132) may not be restricted to air, and may be appropriately selected according to the embodiment. . The fluid used may be, for example, a gas other than air or a liquid such as water.

1 ... Cushion device,
11 ... back cushion module,
111 ... Airbag part (bag part), 112 ... Side balloon part,
12 ... Cushion module for lower back,
121 ... Airbag part (bag part), 122 ... Side balloon part,
13 ... Leg cushion module,
131 ... Airbag part (bag part), 132 ... Side balloon part,
14 ... Head cushion,
15 ... Hook fastener, 16 ... Connecting part,
17 ... Hook fastener, 18 ... Connecting part,
20 ... Air compressor,
21 ... Control device, 22 ... Operating device,
30 ... Fixing tool, 31 ... Body part, 32 ... Band, 33 ... Hook fastener,
4 ... Bed

Claims

A plurality of cushion modules for supporting a predetermined body part of a user, each of which is configured to be inflated and deflated by taking in and out of a fluid, and is divided into a pair of bag parts arranged on the left and right sides. A plurality of cushion modules each having
For each cushion module, a fluid supply device configured to be able to inject fluid in a unified manner to either one of the pair of bag portions;
A fixture having a fixing mechanism that adjustably fixes each cushion module at a position corresponding to each body part of the user;
Comprising
Cushion device.
The plurality of cushion modules include a back cushion module for supporting the user's back, a lumbar cushion module for supporting the user's lower back, and both legs of the user. Including three cushion modules for the leg cushion module,
The cushion device according to claim 1.
The fluid supply device does not inject fluid into the pair of bag parts of the lumbar cushion module, or discharges the fluid, and at the same time, with respect to the cushion modules other than the lumbar cushion module, By injecting fluid into one of the pair of bag parts, the user's lower back is configured to be openable in either the left or right direction.
The cushion device according to claim 2.
The pair of bag portions of the leg cushion module are provided corresponding to the left and right legs of the user,
Each of the bag parts has a pair of leg massage parts that are configured to be inflatable and contractible by taking in and out of the fluid, and arranged so as to sandwich the legs.
The fluid supply device is configured to inject fluid into the leg massage portions and to inject fluid into the bag portions of the leg cushion module so that the legs are inclined. ,
The cushion device according to claim 2 or 3.
It further includes a pair of arm modules that respectively support the left and right arm portions,
Each arm module has a pair of arm massage parts that are configured to be inflatable and contractable by taking in and out of the fluid, and arranged to sandwich each arm part,
The fluid supply device is configured to be capable of injecting fluid into the arm massage portions.
The cushion device according to any one of claims 1 to 4.
Each of the arm modules further includes a bag portion disposed below the pair of arm massage portions and configured to be inflated and deflated by taking in and out of the fluid,
The fluid supply device is configured to be capable of injecting fluid into the bag portion of each arm module so that each arm portion is inclined.
The cushion device according to claim 5.
A hook-and-loop fastener is provided on the back of each cushion module,
The fixture is formed in a sheet shape,
On the upper surface of the fixture formed in a sheet shape, a hook-and-loop fastener is provided as the fixing mechanism.
The cushion device according to any one of claims 1 to 6.
At one end of the fixture, a band for hooking on the bed is provided,
The cushion device according to claim 7.
An operation device for operating the amount of fluid injected into each bag portion by the fluid supply device;
The cushion device according to any one of claims 1 to 8.
The operation device is a switch device for instructing injection or discharge of fluid to or from each bag portion by a button operation, or a man machine for instructing injection or discharge of fluid to or from each bag portion using the user's biological signal Interface,
The cushion device according to claim 9.
A sheet body covering the plurality of cushion modules;
The cushion device according to any one of claims 1 to 10.
The fluid supply device is an air compressor;
The fluid is air;
The cushion device according to any one of claims 1 to 11.