Negative pressure suction device for wound surface treatment

Abstract

The utility model relates to the technical field of wound surface treatment, and discloses a negative pressure suction device for wound surface treatment, which comprises a negative pressure tank, the right side of the top of the negative pressure tank is in threaded connection with a drainage tube, the bottom of the drainage tube extends into the negative pressure tank, and the surface of the drainage tube is fixedly provided with a check valve. An air suction sleeve is fixedly installed at the top of the negative pressure tank, a negative pressure gauge is fixedly installed on the left side of the top of the negative pressure tank, a one-way exhaust valve is fixedly installed on the rear side of the top of the negative pressure tank, a manual exhaust valve is fixedly installed at the top of the one-way exhaust valve, and a negative pressure assembly is installed in the air suction sleeve. According to the utility model, through the mutual cooperation of the structures of the negative pressure tank, the drainage tube, the check valve, the negative pressure gauge, the manual exhaust valve, the negative pressure assembly and the like, the piston is driven to rapidly work up and down in a reciprocating manner, so that the negative pressure tank can rapidly enter a negative pressure state, and the rapid negative pressure effect on the negative pressure tank is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wound surface treatment technical field especially relates to a negative pressure suction device for wound surface treatment. BACKGROUND

[0002] Wound healing refers to a series of pathological and physiological processes of local tissue repair, reconstruction and repair after tissue loss caused by injury factors. It is essentially an inherent defensive adaptive response of the body to tissue cell damage caused by various harmful factors.

[0003] Through the retrieval, the utility model discloses a negative pressure suction device, including liquid storage bottle, push rod, piston, drainage tube and handle, and the one end of liquid storage bottle communicates with drainage tube, and the surface of liquid storage bottle has the scale, and push rod is connected with the lid body threadedly. The negative pressure suction device further includes a liquid storage bag and first and second check valves, the liquid storage bag is in communication with the liquid storage bottle, the first check valve controls the one-way flow of drainage fluid into the liquid storage bottle, and the second check valve controls the one-way flow of drainage fluid into the liquid storage bag. The utility model has the effect that: by the threaded connection of the push rod, the stability of the drainage speed is controlled while maintaining the negative pressure drainage of the negative pressure suction device. The liquid storage bag and the first and second check valves work together to increase the liquid storage capacity of the negative pressure suction device while preventing backflow of the drainage fluid and causing secondary pollution of the postoperative wound.

[0004] The above-mentioned technical solution can form negative pressure to attract secretions and contaminated blood from the wound, but the operation mode is manual, and the greater the negative pressure generated, the more difficult the operation. It is time-consuming and labor-intensive. Therefore, a negative pressure suction device for wound treatment is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a negative pressure suction device for wound treatment, which aims to improve the problem of manual operation mode in the prior art, which generates greater negative pressure and is more difficult to operate.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A negative pressure suction device for wound treatment, comprising a negative pressure tank, a drainage tube is threadedly connected to the right side of the top of the negative pressure tank, the bottom of the drainage tube extends to the inside of the negative pressure tank, a check valve is fixedly installed on the surface of the drainage tube, an air suction sleeve is fixedly installed on the top of the negative pressure tank, a negative pressure pressure gauge is fixedly installed on the left side of the top of the negative pressure tank, a one-way exhaust valve is fixedly installed on the rear side of the top of the negative pressure tank, a manual exhaust valve is fixedly installed on the top of the one-way exhaust valve, a negative pressure assembly is installed in the air suction sleeve, and a stabilizing assembly is fixedly installed on the top of the front side of the air suction sleeve.

[0008] The negative pressure assembly comprises a micro brake motor, the micro brake motor is fixedly installed at the rear side of the air suction sleeve, the output end of the micro brake motor penetrates into the inside of the air suction sleeve, the output end of the micro brake motor is fixedly connected with a transmission sleeve, the rear side of the top of the air suction sleeve cavity is provided with a transmission rod, the rear side of the transmission rod extends into the inside of the transmission sleeve, the surface of the transmission rod is fixedly connected with a rotating plate, the bottom of the front side of the rotating plate is fixedly connected with a connecting shaft, the surface of the connecting shaft is sleeved with a T-shaped plate, the bottom of the T-shaped plate is fixedly connected with a piston, and the surface of the piston is in contact with the inner wall of the air suction sleeve.

[0009] As a further description of the above technical solution:

[0010] The stabilizing assembly comprises a supporting sleeve, the supporting sleeve is screw-connected at the top of the front side of the air suction sleeve, the rear side of the supporting sleeve extends into the inside of the air suction sleeve, the inside of the supporting sleeve is slidingly connected with a shaft rod, the surface of the shaft rod is fixedly connected with a connecting plate, and the rear side of the connecting plate is fixedly connected with the front side of the connecting shaft.

[0011] As a further description of the above technical solution:

[0012] The left side of the top of the negative pressure tank is fixedly installed with a liquid level sensor, and the bottom of the liquid level sensor extends into the inside of the negative pressure tank.

[0013] As a further description of the above technical solution:

[0014] The surface of the connecting shaft is sleeved with an anti-friction sleeve.

[0015] As a further description of the above technical solution:

[0016] The surface of the T-shaped plate is fixedly connected with a stabilizing ring, and the surface of the stabilizing ring is in contact with the inner wall of the air suction sleeve.

[0017] As a further description of the above technical solution:

[0018] The surfaces of the transmission rod and the shaft rod are fixedly connected with reinforcing plates, and the surfaces of the reinforcing plates are fixedly connected with the surfaces of the rotating plate and the connecting plate respectively.

[0019] As a further description of the above technical solution:

[0020] The bottom of the negative pressure tank is fixedly connected with a counterweight seat.

[0021] As a further description of the above technical solution:

[0022] The bottom of the left side of the negative pressure tank is communicated with a manual valve pipe.

[0023] The utility model has the advantages that:

[0024] 1、The utility model discloses a negative pressure tank, drainage pipe, check valve, negative pressure pressure gauge, manual exhaust valve and the mutual cooperation of negative pressure assembly etc. structure drive piston to carry out the quick up-down reciprocating work, make negative pressure tank can enter negative pressure state quickly, realized the effect that the negative pressure tank carries out the quick negative pressure.

[0025] 2、The utility model discloses under the mutual cooperation of support cover, axle rod and connecting plate, can when the rotation of connecting shaft to the auxiliary support of connecting shaft and T type board, to solve the situation that the connecting shaft appears to shake when using for a long time. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the three -dimensional schematic view of a kind of wound surface treatment with negative pressure suction device proposed in the utility model;

[0027] Figure 2 It is the structure schematic view of the air suction cover of a kind of wound surface treatment with negative pressure suction device proposed in the utility model;

[0028] Figure 3 It is the structure schematic view of T type board of a kind of wound surface treatment with negative pressure suction device proposed in the utility model;

[0029] Figure 4 It is the structure schematic view of connecting shaft of a kind of wound surface treatment with negative pressure suction device proposed in the utility model.

[0030] LEGEND:

[0031] 1, negative pressure tank;2, drainage pipe;3, check valve;4, air suction cover;5, negative pressure pressure gauge;6, one-way exhaust valve;7, manual exhaust valve;8, miniature brake motor;9, transmission cover;10, transmission rod;11, rotary plate;12, connecting shaft;13, T type board;14, piston;15, support cover;16, axle rod;17, connecting plate;18, liquid level sensor;19, anti-friction cover;20, stabilizing ring;21, reinforcing plate;22, counterweight seat;23, manual valve pipe. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] REFERENCE Figures 1-3The utility model provides an embodiment: a kind of wound surface processing negative pressure suction device, including negative pressure tank 1, the bottom of negative pressure tank 1 is fixedly connected with counterweight seat 22, the stability of negative pressure tank 1 can be improved by the stable support of counterweight seat 22 to negative pressure tank 1. The right side of the top of negative pressure tank 1 is threadedly connected with drainage tube 2, the bottom of drainage tube 2 extends to the inside of negative pressure tank 1, the surface of drainage tube 2 is fixedly installed with check valve 3, the top of negative pressure tank 1 is fixedly installed with suction cover 4, the left side of the top of negative pressure tank 1 is fixedly installed with negative pressure pressure gauge 5, the rear side of the top of negative pressure tank 1 is fixedly installed with one-way exhaust valve 6, the top of one-way exhaust valve 6 is fixedly installed with manual exhaust valve 7, and negative pressure assembly is installed in the inside of suction cover 4;

[0034] Negative pressure assembly includes micro brake motor 8, and the rear side of micro brake motor 8 is fixedly installed in suction cover 4, and the output end of micro brake motor 8 penetrates to the inside of suction cover 4, and the output end of micro brake motor 8 is fixedly connected with transmission sleeve 9, and the rear side of the top of the inner chamber of suction cover 4 is provided with transmission rod 10, and the rear side of transmission rod 10 extends to the inside of transmission sleeve 9, and the surface of transmission rod 10 is fixedly connected with rotary plate 11, and the bottom of the front side of rotary plate 11 is fixedly connected with connecting shaft 12, and the surface of connecting shaft 12 is sleeved with T-shaped plate 13, and the bottom of T-shaped plate 13 is fixedly connected with piston 14, and the surface of piston 14 is in contact with the inner wall of suction cover 4. The surface of connecting shaft 12 is sleeved with anti-friction sleeve 19, the material of anti-friction sleeve 19 is ceramic, the friction between connecting shaft 12 and T-shaped plate 13 is reduced by anti-friction sleeve 19, and the wear between the two can be prevented from appearing in long time use. The surface of T-shaped plate 13 is fixedly connected with stabilizing ring 20, the surface of stabilizing ring 20 is in contact with the inner wall of suction cover 4, and the T-shaped plate 13 is limited by stabilizing ring 20, so that the shaking of T-shaped plate 13 can be prevented when moving.

[0035] Refer to Figures 1-3 The top of the front side of suction cover 4 is fixedly installed with stabilizing assembly, and the stabilizing assembly includes support sleeve 15, and support sleeve 15 is threadedly connected at the top of the front side of suction cover 4, and the rear side of support sleeve 15 extends to the inside of suction cover 4, and shaft rod 16 is slidably connected in the inside of support sleeve 15, and the surface of shaft rod 16 is fixedly connected with connecting plate 17, and the rear side of connecting plate 17 is fixedly connected on the front side of connecting shaft 12, and the mutual cooperation of support sleeve 15, shaft rod 16 and connecting plate 17 can assist supporting connecting shaft 12 and T-shaped plate 13 when connecting shaft 12 rotates, to solve the shaking of connecting shaft 12 in long time use.

[0036] Refer to Figures 1-3The liquid level sensor 18 is fixedly installed on the left side of the top of the negative pressure tank 1, and the bottom of the liquid level sensor 18 extends to the inside of the negative pressure tank 1. Through the monitoring of the liquid level inside the negative pressure tank 1 by the liquid level sensor 18, the user can know the liquid level height inside the negative pressure tank 1. The surfaces of the transmission rod 10 and the shaft rod 16 are fixedly connected with the reinforcing plates 21, and the surfaces of the reinforcing plates 21 are fixedly connected to the surfaces of the rotating plate 11 and the connecting plate 17. Through the auxiliary reinforcement between the transmission rod 10 and the rotating plate 11 and between the shaft rod 16 and the connecting plate 17 by the reinforcing plates 21, the strength of the structure can be improved, and the service life can be improved. The bottom of the left side of the negative pressure tank 1 is communicated with the manual valve pipe 23, and the manual valve pipe 23 is composed of a through pipe and an on-off valve. By opening the manual valve pipe 23, the user can quickly discharge the liquid inside the negative pressure tank 1.

[0037] Working principle: the user first needs to fix the drainage tube 2 on the surface of the wound, keep the manual exhaust valve 7 open, and then start the micro brake motor 8. The output end of the micro brake motor 8 drives the transmission sleeve 9 and the transmission rod 10 to rotate, the transmission rod 10 drives the rotating plate 11, the connecting shaft 12 and the anti-friction sleeve 19 to rotate, the connecting shaft 12 drives the connecting plate 17 and the shaft rod 16 to rotate, the anti-friction sleeve 19 pushes the T-shaped plate 13, the piston 14 and the stabilizing ring 20 to move upward, the piston 14 discharges the air in the air suction sleeve 4 through the one-way exhaust valve 6, at this time the inside of the negative pressure tank 1 is in a negative pressure state, after the T-shaped plate 13 moves upward to the limit position, stop the micro brake motor 8, at this time the negative pressure in the negative pressure tank 1 is the maximum value, the user can observe the pressure change in the negative pressure tank 1 by observing the negative pressure gauge 5, when the inside of the negative pressure tank 1 is in a negative pressure state, the check valve 3 is opened, the liquid of the wound is attracted to the inside of the negative pressure tank 1 through the drainage tube 2, when the liquid level sensor 18 detects that the liquid level in the negative pressure tank 1 is high, the manual exhaust valve 7 is closed, after the manual exhaust valve 7 is closed, the air in the negative pressure tank 1 will not be discharged from the one-way exhaust valve 6, start the micro brake motor 8 again, the output end of the micro brake motor 8 drives the piston 14 to move downward, the piston 14 moves downward to extrude the air in the air suction sleeve 4 to the inside of the negative pressure tank 1, the inside of the negative pressure tank 1 will form a positive pressure, at this time the manual valve pipe 23 is opened, the liquid in the negative pressure tank 1 can be quickly discharged from the manual valve pipe 23.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A negative pressure suction device for wound treatment, comprising a negative pressure tank (1), characterized in that: A drain pipe (2) is threadedly connected to the right side of the top of the negative pressure tank (1). The bottom of the drain pipe (2) extends into the interior of the negative pressure tank (1). A check valve (3) is fixedly installed on the surface of the drain pipe (2). A suction sleeve (4) is fixedly installed on the top of the negative pressure tank (1). A negative pressure gauge (5) is fixedly installed on the left side of the top of the negative pressure tank (1). A one-way exhaust valve (6) is fixedly installed on the rear side of the top of the negative pressure tank (1). A manual exhaust valve (7) is fixedly installed on the top of the one-way exhaust valve (6). A negative pressure component is installed inside the suction sleeve (4). A stabilizing component is fixedly installed on the top of the front side of the suction sleeve (4). The negative pressure assembly includes a micro brake motor (8), which is fixedly installed on the rear side of the suction sleeve (4). The output end of the micro brake motor (8) extends into the interior of the suction sleeve (4). The output end of the micro brake motor (8) is fixedly connected to a transmission sleeve (9). A transmission rod (10) is provided on the rear side of the top of the inner cavity of the suction sleeve (4). The rear side of the transmission rod (10) extends into the interior of the transmission sleeve (9). A rotating plate (11) is fixedly connected to the surface of the transmission rod (10). A connecting shaft (12) is fixedly connected to the bottom of the front side of the rotating plate (11). A T-shaped plate (13) is sleeved on the surface of the connecting shaft (12). A piston (14) is fixedly connected to the bottom of the T-shaped plate (13). The surface of the piston (14) is in contact with the inner wall of the suction sleeve (4).

2. The negative pressure suction device for wound treatment according to claim 1, characterized in that: The stabilizing component includes a support sleeve (15) which is threaded to the top of the front side of the suction sleeve (4). The rear side of the support sleeve (15) extends into the interior of the suction sleeve (4). A shaft (16) is slidably connected inside the support sleeve (15). A connecting plate (17) is fixedly connected to the surface of the shaft (16). The rear side of the connecting plate (17) is fixedly connected to the front side of the connecting shaft (12).

3. The negative pressure suction device for wound treatment according to claim 1, characterized in that: A liquid level sensor (18) is fixedly installed on the left side of the top of the negative pressure tank (1), and the bottom of the liquid level sensor (18) extends into the interior of the negative pressure tank (1).

4. The negative pressure suction device for wound treatment according to claim 1, characterized in that: The surface of the connecting shaft (12) is fitted with an anti-friction sleeve (19).

5. The negative pressure suction device for wound treatment according to claim 1, characterized in that: A stabilizing ring (20) is fixedly connected to the surface of the T-shaped plate (13), and the surface of the stabilizing ring (20) is in contact with the inner wall of the suction sleeve (4).

6. The negative pressure suction device for wound treatment according to claim 2, characterized in that: The surfaces of the transmission rod (10) and the shaft (16) are fixedly connected to a reinforcing plate (21), and the surfaces of the reinforcing plate (21) are fixedly connected to the surfaces of the rotating plate (11) and the connecting plate (17), respectively.

7. The negative pressure suction device for wound treatment according to claim 1, characterized in that: The bottom of the negative pressure tank (1) is fixedly connected to a counterweight (22).

8. The negative pressure suction device for wound treatment according to claim 1, characterized in that: The bottom of the left side of the negative pressure tank (1) is connected to a manual valve pipe (23).

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