CN220558344U

CN220558344U - Portable wound negative pressure aspirator

Info

Publication number: CN220558344U
Application number: CN202321734467.XU
Authority: CN
Inventors: 柳寒梅
Original assignee: Liaoning Baihe Medical Equipment Co ltd
Current assignee: Liaoning Baihe Medical Equipment Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-03-08
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses a portable wound negative pressure aspirator, which comprises a shell, a negative pressure pipe, an outer pipe, an extrusion pipe, a conveying pipe, a spring column, a spring, a small ball, a blocking structure and a unidirectional conveying structure, wherein the negative pressure pipe is arranged in the shell, the outer pipe is arranged at the rear end of the negative pressure pipe, the extrusion pipe is arranged in the outer pipe, the right conveying pipe is inserted into the front end of the extrusion pipe, the spring column is arranged at the front end of the conveying pipe, the spring column is arranged at the front end of the spring column, the small ball is arranged at the front end of the spring, the blocking structure is arranged between the outer pipe and the extrusion pipe, and the unidirectional conveying structure is arranged outside the conveying pipe. Compared with the prior art, the utility model has the advantages that: no power is required; is more portable.

Description

Portable wound negative pressure aspirator

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a portable wound negative pressure aspirator.

Background

At present, hospitals claim wet wound healing, which means that local wound is moist and scabs are not formed. Under the premise, if a wet healing environment close to a physiological state is created during nursing, the growth of granulation is facilitated, the division of skin cells is facilitated, and therefore complete healing of a wound is promoted, but when more wound exudates are generated on a patient, the exudates on the wound are sucked while the wound is washed.

A medical negative pressure aspirator described in publication number CN216417911U, comprising a negative pressure machine, wherein the side wall of the negative pressure machine is provided with a first port and a second port, the first port is used for generating negative pressure, and the second port is used for detecting air pressure value; the drainage container is provided with a containing space, a first hole and a second hole, and the first port is communicated with the containing space through the first hole; a first tube, the first end of which is arranged on the second hole and is communicated with the accommodating space, and the second end of which is communicated with the wound; and the first end of the second pipe is communicated with the second port, the second end of the second pipe is communicated with the wound, and the pressure difference is generated through a negative pressure machine, so that the effusion at the wound is sucked out.

However, the prior art still has the defects that:

1. the negative pressure aspirator that prior art adopted uses the negative pressure machine for holistic weight is great, inconvenient carrying, leads to the patient to only receive the treatment in the place that is limited to use this well negative pressure aspirator, has prolonged the emotion that easily influences the patient, can delay holistic healing progress moreover.

2. The negative pressure machine that negative pressure aspirator used that prior art adopted needs the circular telegram to use, and the negative pressure machine can't work under the circumstances of no electric power, and this just leads to in some outdoor places or when cutting off the power supply, if a large amount of hydrops appear in patient's wound, then the hydrops can't be absorbed, can influence patient's whole wound healing speed, with some simple and easy attractors probably can lead to the hydrops backward flow.

Disclosure of Invention

The utility model aims to overcome the defects and provide a portable negative pressure wound aspirator.

In order to solve the technical problems, the technical scheme provided by the utility model is that the portable wound negative pressure aspirator comprises a housing, a cavity is formed in the housing, a handle is fixedly connected to the rear side of the lower end of the outer part of the housing, a negative pressure pipe is inserted into the front end of the cavity, the rear end of the negative pressure pipe is fixedly connected with an outer pipe in the cavity, an extrusion pipe is arranged in the outer pipe, a blocking structure is arranged between the outer pipe and the extrusion pipe, a conveying pipe is inserted into the front side of the inner part of the extrusion pipe, a unidirectional conveying structure is arranged outside the conveying pipe, the front end of the conveying pipe is fixedly connected with a spring column, the front end of the spring column is inserted into a spring, the front end of the spring is fixedly connected with a small ball matched with the negative pressure pipe, the rear end of the outer part of the extrusion pipe is fixedly connected with an air outlet pipe, an air outlet hole matched with the air outlet pipe is formed in the rear end of the cavity, the front side of the outer part of the air outlet pipe is fixedly connected with a support, the outer lower end of the housing is connected with a stirring hole through the outer part of the housing, a stirring hole is formed in the cavity, the front end of the outer part of the housing is connected with a stirring rod through a stirring hole, the front end of the stirring rod is connected with the cavity, the stirring rod is connected with the stirring rod through a stirring hole, the stirring rod is arranged in the middle part, and the stirring rod is connected with the front end of the movable rod through a stirring rod.

As an improvement, the blocking structure comprises a blocking ring block fixedly connected to the rear side of the inside of the outer tube, and a blocking ring sheet matched with the blocking ring block for use is fixedly connected to the front side of the outside of the extrusion tube.

As an improvement, the unidirectional conveying structure comprises a plurality of uniformly distributed conveying holes formed in the periphery of the front side of the outer part of the conveying pipe, and a movable valve matched with the conveying pipe for use is arranged between the spring column and the extrusion pipe.

As an improvement, the limit structure comprises limit blocks fixedly connected to the front ends of two sides of the movable block, and limit grooves matched with the limit blocks are formed in the front ends of two sides of the poking hole.

As an improvement, the liquid storage structure comprises an air suction elbow fixedly connected to the front end of the outside of the negative pressure pipe, a liquid storage bottle is arranged below the front side of the negative pressure pipe, the other end of the air suction elbow connected with the negative pressure pipe is inserted into the rear side of the upper end of the liquid storage bottle, and a liquid suction elbow is inserted into the front side of the upper end of the liquid storage bottle.

Compared with the prior art, the utility model has the advantages that: 1. the negative pressure aspirator adopted by the utility model has no heavy equipment as a whole, is relatively suitable in volume, can be held by hand or put in a bag when a patient goes out, is relatively convenient to carry, and is convenient for the patient to go out without limitation under the condition of permission.

2. The whole negative pressure aspirator adopted by the utility model does not contain any electric equipment, so that the negative pressure aspirator can be normally used in some places without electric power or in sudden electroless conditions, can be operated by one hand, and can be used by a patient with better condition without assistance of outsiders, thereby saving manpower.

Drawings

Fig. 1 is a perspective view of a portable negative pressure wound suction apparatus of the present utility model.

Fig. 2 is a right side cross-sectional view of a portable negative wound pressure aspirator of the present utility model.

Fig. 3 is an enlarged a view of a portable negative wound pressure aspirator of the present utility model.

Fig. 4 is a top cross-sectional view of a portable negative wound pressure aspirator of the present utility model.

Fig. 5 is an enlarged view B of a portable negative wound pressure aspirator of the present utility model.

As shown in the figure: 1. a housing; 2. a cavity; 3. a handle; 4. a negative pressure pipe; 5. an outer tube; 6. extruding the tube; 7. a blocking structure; 8. a delivery tube; 9. a unidirectional conveying structure; 10. a spring post; 11. a spring; 12. a pellet; 13. an air outlet pipe; 14. an air outlet hole; 15. a hinged support; 16. a toggle hole; 17. a toggle rod; 18. a poking block; 19. a movable block; 20. a limit structure; 21. a liquid storage structure; 22. a blocking ring block; 23. a blocking ring piece; 24. a delivery hole; 25. a movable valve; 26. a limiting block; 27. a limit groove; 28. an air suction elbow; 29. a liquid storage bottle; 30. a liquid suction elbow.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model is provided with a shell 1 as a main body of the aspirator, a cavity 2 is arranged in the shell 1 and is used for accommodating an outer tube 5 provided with a negative pressure tube 4 and the rear end thereof, an extrusion tube 6 is inserted in the rear side of the inner part of the outer tube 5, a blocking structure 7 is arranged between the outer tube 5 and the extrusion tube 6, a blocking ring piece 23 on the extrusion tube 6 is arranged in front of a blocking ring block 22 in the inner part of the outer tube 5, thus ensuring that the extrusion tube 6 can only move back and forth in the inner part of the outer tube 5, a conveying tube 8 is inserted in the front side of the inner part of the extrusion tube 6, a closed spring column 10 is connected to the front end of the conveying tube 8, a spring 11 is inserted in the front end of the spring column 10 and is used for enabling the extrusion tube 6 which is extruded forward to restore to the original position after external force is removed, a unidirectional conveying structure 9 is arranged outside the conveying tube 8, and in order to only convey air into an air outlet tube 13 at the rear end of the extrusion tube 6, and finally conveyed to the outer part of the shell 1 through an air outlet hole 14 at the rear side of the outer part of the shell 1.

The utility model is provided with a plurality of delivery holes 24 on the outside of the delivery pipe 8, the air supply flow passes through, a movable valve 25 which can move back and forth in the outer pipe 5 is arranged between the spring column 10 and the extrusion pipe 6, the outer diameter of the movable valve 25 is equal to the inner diameter of the outer pipe 5, the inner diameter of the front side of the movable valve 25 is equal to the outer diameter of the delivery pipe 8, the inner diameter of the rear side of the movable valve 25 is equal to the outer diameter of the extrusion pipe 6, a relatively sealed space is formed, when the extrusion pipe 6 is extruded forwards, the extrusion pipe 6 drives the movable valve 25 to move forwards in the outer pipe 5, the spring 11 is compressed, the ball 12 at the front end of the spring 11 can block the negative pressure pipe 4, the inner wall at the front side of the movable valve 25 can block the delivery holes 24 around the delivery pipe 8, at this time, the air inside the conveying pipe 8 and the extrusion pipe 6 can only be extruded through the air outlet pipe 13, when the external force is removed, the spring 11 can push the conveying pipe 8 backwards in order to restore the original shape, the small ball 12 is not extruded, the negative pressure pipe 4 is not blocked, the movable valve 25 is driven by the spring column 10 to move backwards together, after a certain distance is moved, the movable valve 25 and the spring column 10 form a one-way valve to pump the air in the liquid storage structure 21 into the outer pipe 5, after a certain distance is moved backwards, the conveying hole 24 on the conveying pipe 8 is not blocked by the movable valve 25, and the air inside the outer pipe 5 enters into the conveying pipe 8 through the conveying hole 24 to wait for the next extrusion of the extrusion pipe 6 to be extruded from the air outlet pipe 13.

According to the utility model, a liquid storage bottle 29 is arranged at the side of a negative pressure pipe 4, the negative pressure pipe 4 is connected with the liquid storage bottle 29 through an air suction bent pipe 28, air in the liquid storage bottle 29 is sucked out by the negative pressure pipe 4, so that the air pressure in the liquid storage bottle 29 is smaller than the air pressure difference generated outside, the liquid storage bottle 29 generates suction force on the outside in order to ensure that the air pressure in the liquid storage bottle is the same as the air pressure in the liquid storage bottle, the rear end of the negative pressure pipe 4 is blocked by a small ball 12 when the extrusion pipe 6 is extruded, so that the liquid storage bottle 29 can only suck liquid accumulation generated at a wound into the extrusion pipe 6 through an air suction bent pipe 28.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. A portable wound negative pressure aspirator, comprising a housing (1), characterized in that: the utility model discloses a vacuum pump, including shell (1) and outer casing (1), cavity (2) have been seted up to inside, the outside downside fixedly connected with handle (3) of shell (1), inside front end grafting of cavity (2) has negative pressure pipe (4), negative pressure pipe (4) rear end is in cavity (2) inside fixedly connected with outer tube (5), the inside extruded tube (6) that are provided with of outer tube (5), be provided with between outer tube (5) and extruded tube (6) and block structure (7), inside front side grafting of extruded tube (6) has conveyer pipe (8), conveyer pipe (8) outside is provided with unidirectional transport structure (9), outside front end fixedly connected with spring post (10) of conveyer pipe (8), spring (11) front end grafting has spring (11), tiny ball (12) that spring (11) front end fixedly connected with cooperation negative pressure pipe (4) used, outside rear end fixedly connected with (13) of extruded tube (6), inside rear end of cavity (2) is through the air outlet duct (13) of opening and outer casing (1) outside hinge hole (13) that use, outside hinge connection of outlet duct (15), the utility model discloses a vacuum tube, including shell (1), hinge support (15), stirring rod (17), movable block (19), limit structure (20) is provided with between movable block (19) and stirring hole (16), negative pressure tube (4) front end is provided with in shell (1) outside front side and deposits liquid structure (21), stirring hole (16) inside through having seted up stirring hole (16) and cavity (2) through outer lower extreme of shell (1), stirring rod (17) lower extreme rotation is connected with stirring block (18), stirring rod (17) middle part rotation is connected with movable block (19) that stirring hole (16) used.

2. A portable negative pressure wound suction apparatus as claimed in claim 1, wherein: the blocking structure (7) comprises a blocking ring block (22) fixedly connected to the rear side inside the outer tube (5), and a blocking ring piece (23) matched with the blocking ring block (22) for use is fixedly connected to the front side outside the extrusion tube (6).

3. A portable negative pressure wound suction apparatus as claimed in claim 1, wherein: the unidirectional conveying structure (9) comprises a plurality of uniformly distributed conveying holes (24) which are formed in the periphery of the front side of the outer part of the conveying pipe (8), and a movable valve (25) matched with the conveying pipe (8) for use is arranged between the spring column (10) and the extrusion pipe (6).

4. A portable negative pressure wound suction apparatus as claimed in claim 1, wherein: the limiting structure (20) comprises limiting blocks (26) fixedly connected to the front ends of the two sides of the movable block, and limiting grooves (27) matched with the limiting blocks (26) are formed in the front ends of the two sides of the poking hole (16).

5. A portable negative pressure wound suction apparatus as claimed in claim 1, wherein: the liquid storage structure (21) comprises an air suction bent pipe (28) fixedly connected to the front end of the outside of the negative pressure pipe (4), a liquid storage bottle (29) is arranged below the front side of the negative pressure pipe (4), the other end of the air suction bent pipe (28) connected with the negative pressure pipe (4) is inserted into the rear side of the upper end of the liquid storage bottle (29), and a liquid suction bent pipe (30) is inserted into the front side of the upper end of the liquid storage bottle (29).