CN213822783U

CN213822783U - Negative pressure suction device for medical internal medicine wound treatment

Info

Publication number: CN213822783U
Application number: CN202021209650.4U
Authority: CN
Inventors: 刘青荷; 顾春涛
Original assignee: Chengdu University of Traditional Chinese Medicine
Current assignee: Chengdu University of Traditional Chinese Medicine
Priority date: 2020-06-27
Filing date: 2020-06-27
Publication date: 2021-07-30
Anticipated expiration: 2030-06-27

Abstract

The utility model provides a medical internal medicine is negative pressure suction device for wound treatment belongs to the nursing utensil field. This negative pressure suction device is used in medical internal medicine wound treatment, including negative pressure cabin, absorption needle tubing and flowing back subassembly. The upper port of the elastic telescopic pipe body is connected with the cover body in a sealing way. One end of the suction needle tube is inserted and penetrated on the surface of the cover body; a water outlet is formed in the surface of the piston, and the sealing cover plate is in covering sealing contact with the water outlet; according to the lid, make the flexible body shrink of elasticity, promote the connecting rod simultaneously, it moves down to drive sealed apron, it is sealed that sealed apron contradicts the piston and cover the outlet when moving down, it is connected with one-way drain pipe to collect the bag, put into liquid and collect one-way drain pipe discharge, can absorb the use in succession, and liquid collects the bag through one-way drain pipe, reduced at the in-process of discharge liquid, the possibility of liquid splash appears, high durability and convenient use, and convenient carrying and use.

Description

Negative pressure suction device for medical internal medicine wound treatment

Technical Field

The utility model relates to a nursing utensil field particularly, relates to medical internal medicine is negative pressure suction device for wound treatment.

Background

At present, in clinical nursing work, a wound negative pressure suction ball is often needed, and can effectively remove exudates, hematocele and the like out of a body, reduce the formation of dead space, reduce the infection probability, accelerate the healing of incisions and reduce postoperative complications;

however, when the negative pressure suction balloon for wounds is used, when the liquid in the balloon reaches more than two thirds, the liquid drainage plug head is often required to be opened to drain the liquid; the continuous liquid pumping can not be realized, which brings great inconvenience to the work of medical staff; in addition, in the process of discharging liquid, liquid splashing often occurs, bed sheets and medical staff are easily polluted, and even iatrogenic infection can be caused.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a medical internal medicine is negative pressure suction device for wound treatment aims at improving the problem that the negative pressure suction ball can not take out liquid in succession, the easy liquid splash of flowing back.

The utility model discloses a realize like this:

the utility model provides a medical treatment internal medicine is negative pressure suction device for wound treatment, including the negative pressure cabin, absorb needle tubing and flowing back subassembly.

The negative pressure cabin comprises a cover body, an elastic telescopic pipe body and a barrel body, the lower end of the elastic telescopic pipe body is connected with the upper end opening of the barrel body in a sealing mode, and the upper end opening of the elastic telescopic pipe body is connected with the cover body in a sealing mode.

One end of the suction needle tube is inserted and penetrated on the surface of the cover body.

The liquid discharge assembly comprises a one-way liquid outlet pipe, a sealing cover plate and a piston, the cover body is fixedly connected with a connecting rod, the lower end of the connecting rod is connected with the piston in a sliding mode, the sealing cover plate is fixedly connected with the connecting rod, a water outlet is formed in the surface of the piston, and the sealing cover plate is in sealing contact with the water outlet in a covering mode.

In an embodiment of the present invention, a micro air pump is fixed to the inner wall of the cover, the air outlet of the micro air pump runs through the surface of the cover and communicates with the outside, and the air suction port of the micro air pump is disposed inside the elastic expansion tube.

The utility model discloses an in one embodiment, the atmospheric pressure balance mouth has been seted up on the lid surface, the staving lateral wall is provided with the observation window.

The utility model discloses an in an embodiment, it includes the connecting pipe and absorbs the needle to absorb the needle tubing, absorb the needle connect in the one end of connecting pipe, the lid surface runs through and is fixed with the pipe box, the connecting pipe seal peg graft in the pipe box.

The utility model discloses an in one embodiment, connecting pipe fixed surface has the spacing ring, the spacing ring lower extreme is provided with the sealing ring, the sealing ring with the sealed laminating of pipe box upper port.

The utility model discloses an in an embodiment, the piston sets up the bottom surface of sealed apron, the ladder groove has been seted up to the piston centre of a circle, the connecting rod slide peg graft in the ladder groove, the end fixing of connecting rod has the stopper, the stopper joint is in the ladder inslot.

In an embodiment of the present invention, a first elastic member is connected between the piston and the sealing cover plate, and a sealing gasket is adhered to a lower surface of the sealing cover plate.

In an embodiment of the present invention, the connecting rod runs through the sealing cover plate, the sealing cover plate is a circular plate, the center of the sealing cover plate and the connecting rod are coaxially disposed.

The utility model discloses an in one embodiment, be fixed with the second elastic component in the one-way drain pipe, the one end fixedly connected with sprue of second elastic component, the sprue with one-way drain pipe port sealing contact.

The utility model discloses an in one embodiment, the one end of one-way drain pipe is equipped with the leakage fluid dram, the leakage fluid dram is the round hole, the leakage fluid dram internal diameter is less than the sprue external diameter, the sprue external diameter is less than one-way drain pipe internal diameter, one-way drain pipe internal fixation has the bracing piece, the one end of second elastic component with bracing piece fixed connection.

The utility model has the advantages that: the utility model discloses a medical internal medicine negative pressure suction device for wound treatment who obtains through above-mentioned design, when using, press the lid, make the flexible body of elasticity shrink back discharge flexible intraductal gas, make the flexible body of elasticity produce the negative pressure under the elastic force, absorb the collection to wound exudate through absorbing the needle tubing this moment, liquid flows into the staving bottom through the leakage fluid dram, press the lid again after the liquid is collected, make the flexible body of elasticity shrink, promote the connecting rod simultaneously, drive sealed apron and move down, the sealed apron is moved down the time contradict the piston and cover the outlet and seal, make the piston move down in-process with the liquid of piston lower extreme through one-way drain pipe discharge the staving, the collection bag is connected with one-way drain pipe, discharge liquid to one-way drain pipe and put into liquid and collect, can absorb the use in succession, improve work efficiency, and liquid collects in the collection bag through one-way drain pipe, the possibility of liquid splashing in the process of discharging liquid is reduced, the way of possibly causing iatrogenic infection is reduced, and the device is convenient to operate and carry and use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a schematic diagram of an internal structure provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a point a in fig. 2 according to an embodiment of the present invention;

FIG. 4 is a schematic view of a one-way liquid outlet pipe structure provided by an embodiment of the present invention;

fig. 5 is a schematic structural view of a drainage assembly according to an embodiment of the present invention.

In the figure: 100-a negative pressure cabin; 110-a cover; 111-micro air pump; 113-air pressure balance port; 115-a pipe sleeve; 130-an elastic telescopic tube body; 150-barrel body; 170-observation window; 300-sucking the needle tube; 310-connecting pipe; 311-a limit ring; 313-a seal ring; 330-suction needle; 500-a drainage assembly; 510-one-way liquid outlet pipe; 511-clogs; 513 — a second elastic member; 515-a support bar; 517-liquid discharge port; 530-sealing the cover plate; 531-sealing gasket; 550-a piston; 551-water outlet; 570-connecting rod; 571-a limiting block; 590-first resilient member.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the utility model provides a. Embodiments, all other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: the negative pressure suction device for treating the wounds in medical department comprises a negative pressure cabin 100, a suction needle tube 300 and a liquid discharge assembly 500.

Wherein, one end of the suction needle tube 300 is connected with the negative pressure cabin 100, the other end of the suction needle tube 300 is used for absorbing liquid, and the drainage assembly 500 is used for collecting and discharging the liquid sucked by the suction needle tube 300, thereby ensuring continuous suction.

Referring to fig. 2, the negative pressure chamber 100 includes a cover 110, an elastic telescopic tube 130 and a barrel 150, wherein a lower end of the elastic telescopic tube 130 is hermetically connected to an upper port of the barrel 150, and an upper port of the elastic telescopic tube 130 is hermetically connected to the cover 110;

in other embodiments, a micro air pump 111 is fixed on the inner wall of the cover 110, an air outlet of the micro air pump 111 penetrates through the surface of the cover 110 to communicate with the outside, the micro air pump 111 is added to save labor consumption, and generate continuous negative pressure effect, thereby ensuring continuous negative pressure adsorption, an air inlet of the micro air pump 111 is arranged in the elastic telescopic tube 130, an air pressure balance port 113 is arranged on the surface of the cover 110, the suction negative pressure of the suction needle tube 300 in the suction process is kept constant, an observation window 170 is arranged on the side wall of the barrel 150, the inner liquid collection amount of the barrel 150 is observed through the observation window 170, and timely discharge treatment is facilitated.

Referring to fig. 3, one end of the suction needle tube 300 is inserted through the surface of the cover body 110, the suction needle tube 300 includes a connection tube 310 and a suction needle 330, the suction needle 330 is connected to one end of the connection tube 310, a tube sleeve 115 is fixed on the surface of the cover body 110, and the connection tube 310 is inserted in the tube sleeve 115 in a sealing manner, so that the connection tube 310 can be conveniently inserted and removed and is convenient to use;

it should be noted that a limiting ring 311 is fixed on the surface of the connecting pipe 310, a sealing ring 313 is arranged at the lower end of the limiting ring 311, and the sealing ring 313 is in sealing fit with the upper port of the pipe sleeve 115, so that the sealing performance of the joint of the connecting pipe 310 and the pipe sleeve 115 is improved, and the negative pressure adsorption is ensured.

Referring to fig. 4-5, the drainage assembly 500 includes a one-way outlet pipe 510, a sealing cover plate 530 and a piston 550, the cover 110 is fixedly connected with a connecting rod 570, the lower end of the connecting rod 570 is slidably connected with the piston 550, the sealing cover plate 530 is fixedly connected with the connecting rod 570, a drainage opening 551 is formed on the surface of the piston 550, the sealing cover plate 530 covers and sealingly contacts the drainage opening 551, and the piston 550 sealingly and slidably contacts the inner wall of the barrel 150.

It should be noted that the piston 550 is arranged on the bottom surface of the sealing cover plate 530, a stepped groove is formed in the center of the circle of the piston 550, the connecting rod 570 is inserted into the stepped groove in a sliding manner, a limiting block 571 is fixed at the end of the connecting rod 570, the limiting block 571 is clamped in the stepped groove, a first elastic member 590 is connected between the piston 550 and the sealing cover plate 530, the first elastic member 590 can be a pressure spring, a sealing gasket 531 is adhered to the lower surface of the sealing cover plate 530, the connecting rod 570 penetrates through the sealing cover plate 530, the sealing cover plate 530 is a circular plate, and the center of the sealing cover plate 530 is coaxial with the connecting rod 570;

in some specific embodiments, a second elastic member 513 is fixed in the one-way liquid outlet pipe 510, the second elastic member 513 may be a spring, one end of the second elastic member 513 is fixedly connected with a blocking piece 511, the blocking piece 511 is in sealing contact with a port of the one-way liquid outlet pipe 510, one end of the one-way liquid outlet pipe 510 is provided with a liquid outlet 517, the liquid outlet 517 is a round hole, an inner diameter of the liquid outlet 517 is smaller than an outer diameter of the blocking piece 511, the outer diameter of the blocking piece 511 is smaller than the inner diameter of the one-way liquid outlet pipe 510, a support rod 515 is fixed in the one-way liquid outlet pipe 510, and one end of the second elastic member 513 is fixedly connected with the support rod 515.

This negative pressure suction device for medical internal medicine wound treatment's theory of operation: when the device is used, the cover body 110 is pressed, the elastic telescopic tube body 130 is contracted to discharge gas in the elastic telescopic tube body 130, the elastic telescopic tube body 130 generates negative pressure under the action of elasticity, wound exudate is absorbed and collected through the absorption needle tube 300, liquid flows into the bottom of the barrel body 150 through the liquid discharge port 517, the cover body 110 is pressed again after the liquid is collected, the elastic telescopic tube body 130 is contracted, the connecting rod 570 is pushed to drive the sealing cover plate 530 to move downwards, the sealing cover plate 530 props against the piston 550 and covers and seals the water discharge port 551 when moving downwards, the liquid at the lower end of the piston 550 is discharged out of the barrel body 150 through the one-way liquid discharge tube 510 in the moving downwards process of the piston 550, the collection bag is connected with the one-way liquid discharge tube 510, the discharged liquid is put into the collection bag, the continuous absorption and use can be realized, the working efficiency is improved, and the liquid is collected into the collection bag through the one-way liquid discharge tube 510, the possibility of liquid splashing in the process of discharging liquid is reduced, the way of possibly causing iatrogenic infection is reduced, and the device is convenient to operate and carry and use.

It should be noted that the specific model specification of the micro air pump 111 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the micro air pump 111 and its principle will be clear to those skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The negative pressure suction device for the wound treatment in the medical department is characterized by comprising

The negative pressure cabin (100) comprises a cover body (110), an elastic telescopic pipe body (130) and a barrel body (150), wherein the lower end of the elastic telescopic pipe body (130) is hermetically connected with the upper port of the barrel body (150), and the upper port of the elastic telescopic pipe body (130) is hermetically connected with the cover body (110);

one end of the suction needle tube (300) is inserted and penetrated on the surface of the cover body (110);

the liquid discharge assembly (500), the liquid discharge assembly (500) includes a one-way liquid outlet pipe (510), a sealing cover plate (530) and a piston (550), the cover body (110) is fixedly connected with a connecting rod (570), the lower end of the connecting rod (570) is connected with the piston (550) in a sliding mode, the sealing cover plate (530) is fixedly connected with the connecting rod (570), a water outlet (551) is formed in the surface of the piston (550), and the sealing cover plate (530) is in covering sealing contact with the water outlet (551).

2. The negative pressure suction device for the medical internal wound treatment according to claim 1, wherein a micro air pump (111) is fixed to an inner wall of the cover body (110), an air outlet of the micro air pump (111) penetrates through the surface of the cover body (110) to communicate with the outside, and an air inlet of the micro air pump (111) is disposed in the elastic telescopic tube body (130).

3. The negative pressure suction device for the medical internal wound treatment according to claim 1, wherein an air pressure balancing port (113) is formed on the surface of the cover body (110), and an observation window (170) is formed on the side wall of the barrel body (150).

4. The negative pressure suction device for the wound treatment in medical department according to claim 1, wherein the suction needle tube (300) comprises a connecting tube (310) and a suction needle (330), the suction needle (330) is connected to one end of the connecting tube (310), a sleeve (115) is fixed on the surface of the cover body (110) in a penetrating way, and the connecting tube (310) is inserted in the sleeve (115) in a sealing way.

5. The negative pressure suction device for the medical internal wound treatment according to claim 4, wherein a limiting ring (311) is fixed on the surface of the connecting pipe (310), a sealing ring (313) is arranged at the lower end of the limiting ring (311), and the sealing ring (313) is in sealing fit with the upper port of the pipe sleeve (115).

6. The negative pressure suction device for medical treatment internal wound treatment according to claim 1, wherein the piston (550) is disposed on the bottom surface of the sealing cover plate (530), a stepped groove is formed in the center of the piston (550), the connecting rod (570) is slidably inserted into the stepped groove, a limiting block (571) is fixed to an end of the connecting rod (570), and the limiting block (571) is clamped in the stepped groove.

7. The negative pressure suction device for medical internal wound treatment according to claim 1, wherein a first elastic member (590) is connected between the piston (550) and the sealing cover plate (530), and a sealing gasket (531) is adhered to the lower surface of the sealing cover plate (530).

8. The vacuum aspiration device for medical treatment and internal wound treatment according to claim 1, wherein the connecting rod (570) penetrates the sealing cover plate (530), the sealing cover plate (530) is a circular plate, and the center of the sealing cover plate (530) is coaxially arranged with the connecting rod (570).

9. The negative pressure suction device for the medical internal wound treatment as claimed in claim 1, wherein a second elastic member (513) is fixed in the one-way liquid outlet pipe (510), one end of the second elastic member (513) is fixedly connected with a block (511), and the block (511) is in sealing contact with the port of the one-way liquid outlet pipe (510).

10. The negative pressure suction device for the medical internal wound treatment as claimed in claim 9, wherein one end of the one-way liquid outlet pipe (510) is provided with a liquid outlet (517), the liquid outlet (517) is a circular hole, the inner diameter of the liquid outlet (517) is smaller than the outer diameter of the block (511), the outer diameter of the block (511) is smaller than the inner diameter of the one-way liquid outlet pipe (510), a support rod (515) is fixed in the one-way liquid outlet pipe (510), and one end of the second elastic member (513) is fixedly connected with the support rod (515).