Disposable pulse debridement gun with quick-change mechanism of CO2 channel

By introducing a CO2 channel and a quick-change mechanism into the disposable pulse debridement gun, the problem of slow drying after rinsing is solved, enabling rapid drying of the surgical site and simplifying the operating procedures for medical staff.

CN223774120UActive Publication Date: 2026-01-09SHANGHAI ZHUOLIN MEDICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422997918.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2026-01-09
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Existing disposable pulse debridement guns cannot quickly dry the surgical site after rinsing, increasing the difficulty of subsequent surgeries for medical staff.

Method used

A quick-change mechanism with a CO2 channel was designed. By rotating the rotating ring, the steel ball slides along the guide rail, switching the pulse cleaning gun from spraying irrigation fluid to spraying CO2, thereby achieving rapid drying of the surgical site.

Benefits of technology

It enables rapid drying of the surgical site after rinsing, providing convenience for medical staff during the surgical process and reducing surgical complexity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a disposable pulse debridement gun with a quick-change mechanism of a CO2 channel, which comprises a gun body, a trigger is arranged on the side inner wall of the gun body, a motor is fixedly connected to the side inner wall of the gun body, a flushing pump is arranged at the output end of the motor, a butt joint block is fixedly connected to the side surface of the flushing pump, and a stop block is slidably connected to the side inner wall of the butt joint block. A rotating ring is rotatably connected to the side surface of the gun body, a steel ball is movably connected to the side inner wall of the rotating ring, a moving block is slidably connected to the side inner wall of the gun body, and a first push rod is fixedly connected to the side surface of the moving block; push rods II are fixedly connected to the side surfaces of the moving blocks. Through the components, the rotating ring can be rotated to enable the device to be communicated with the air inlet pipe and spray CO2 after flushing, the flushed part is dried, and convenience is provided for medical staff.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pulse debridement gun technical field, especially in one time pulse debridement gun of quick change mechanism with CO2 channel. BACKGROUND

[0002] The existing disposable pulse debridement gun is the flushing device that provides pulse flushing, reduces the secondary damage to the surrounding normal tissue, reduces the probability of infection, and installs the LED lamp at the nozzle to irradiate the wound, but after flushing, the wound cannot be dried quickly, which may affect the subsequent operation process, such as a disposable medical pulse debridement gun with LED lamp disclosed in Chinese patent with the application number CN202020724856.4, although the flushing liquid can splash on the pollution collection bag during the flushing process, the LED lamp control switch can be opened to enhance the observation of the wound, which is convenient for the debridement to judge whether the debridement is completed, greatly saving the debridement time and cost, but the flushing part cannot be dried quickly, increasing the difficulty of subsequent operation of medical staff. SUMMARY

[0003] The utility model discloses a kind of disposable pulse debridement guns of quick change mechanism with CO2 channel, and the technical problems in the prior art are solved at least, by rotating rotating ring and driving steel ball activity, and when steel ball slides along the guide rail on gun body, mobile block is slid by steel ball, the push rod on mobile block respectively pushes the block in butt joint block and check valve pad, so that one end opens and the other end closes, so that pulse debridement gun can be switched between spraying flushing liquid and CO2, after pulse debridement gun sprays flushing liquid to flush operation site, it is switched again to spray CO2 to dry the site after flushing, provide convenience for medical staff in the process of operation.

[0004] The utility model further provides a kind of disposable pulse debridement guns of quick change mechanism with CO2 channel, comprising: gun body, the side inner wall of the gun body is provided with trigger, the side inner wall of the gun body is fixedly connected with motor, the output end of the motor is provided with flushing pump, the side surface of the flushing pump is fixedly connected with butt joint block, the end away from flushing pump of the butt joint block is fixedly connected with fixed plate, the end away from butt joint block of the fixed plate is fixedly connected with spray pipe;

[0005] The side inner wall of the butt joint block is slidably connected with a stopper, the end of the stopper away from the butt joint block is fixedly connected with a resistance spring, the side inner wall of the butt joint block is slidably connected with a one-way valve pad, the side surface of the gun body is rotatably connected with a rotating ring, the side inner wall of the rotating ring is movably connected with a steel ball, the side inner wall of the gun body is slidably connected with a moving block, the side surface of the moving block is fixedly connected with a push rod one, and the side surface of the moving block is fixedly connected with a push rod two. Through the above components, the rotating ring can be rotated to switch on the air inlet pipe and spray CO2 after flushing, the position after flushing is dried, and convenience is provided for medical staff.

[0006] The side surface of the gun body is provided with a guide rail, and the steel ball is movably connected with the gun body along the guide rail. Through the above components, the steel ball can be driven to slide the moving block along the guide rail on the gun body under the driving of the rotating ring.

[0007] The side surface of the moving block is provided with a sliding rail, and the steel ball is movably connected with the moving block along the sliding rail. Through the above components, the steel ball can drive the moving block to slide in the gun body when sliding along the guide rail on the gun body.

[0008] The side surface of the push rod one is slidably connected with the butt joint block, and the end of the push rod one away from the moving block is attached to the stopper. Through the above components, the push rod one can push the stopper to move, and the butt joint block is opened, so that the CO2 in the air inlet pipe can enter the inside of the butt joint block.

[0009] The side surface of the push rod two is slidably connected with the butt joint block, and the end of the push rod two away from the moving block is attached to the one-way valve pad. Through the above components, the push rod two can fix the one-way valve pad, so that the one-way valve pad blocks the butt joint block, and the liquid in the liquid inlet pipe cannot enter the butt joint block.

[0010] The side inner wall of the gun body is fixedly connected with the fixed plate, and the side surface of the fixed plate is fixedly connected with a return spring. Through the above components, when the rotating ring is reversely rotated, the moving plate is reset by the elastic force of the return spring.

[0011] The end of the return spring away from the fixed plate is fixedly connected with the moving block, and the side surface of the fixed plate is fixedly connected with a recovery pipe. Through the above components, the recovery pipe can be used to absorb blood water.

[0012] The utility model relates to a disposable pulse debridement gun with quick change mechanism of CO2 channel, the butt joint block is fixedly connected with the air inlet pipe one end close to the block, the resistance spring is fixedly connected with the air inlet pipe one end away from the block, the butt joint block is fixedly connected with the liquid inlet pipe one end close to the check valve pad, through above component, can provide the flush liquid to the spray pipe with the liquid inlet pipe, flushes the surface tissue, makes the bacteria, foreign matter etc. in the surface separate with the tissue, reaches the cleaning purpose, and transports CO2 with the air inlet pipe, and the surgical site is dried fast, provides the convenience for medical staff.

[0013] Beneficial effects:

[0014] Compared with prior art through rotation rotation ring drive steel ball activity, and make steel ball along the guide rail on the gun body slide drive moving block slide, make the push rod on moving block push the block and check valve pad in butt joint block respectively, make one end open the other end close, make pulse debridement gun can switch between spraying flush liquid and CO2, realized pulse debridement gun after spraying flush liquid to the surgical site and carry out flushing, switch again and spray CO2 to the site after flushing and carry out drying, provide the convenience for medical staff in the process of operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained below in connection with the drawings and examples;

[0016] Figure 1 It is the overall structural drawing of disposable pulse debridement gun of quick change mechanism of CO2 channel of the utility model;

[0017] Figure 2 It is the internal structure drawing of disposable pulse debridement gun of quick change mechanism of CO2 channel of the utility model;

[0018] Figure 3 It is the explosion drawing of disposable pulse debridement gun of quick change mechanism of CO2 channel of the utility model;

[0019] Figure 4 It is the partial structure drawing of disposable pulse debridement gun of quick change mechanism of CO2 channel of the utility model in A place. Figure 3

[0020] Legend:

[0021] 1, gun body;2, rotation ring;3, spray pipe;4, trigger;5, fixed plate;6, moving block;7, steel ball;8, butt joint block;9, air inlet pipe;10, recovery pipe;11, flush pump;12, motor;13, liquid inlet pipe;14, return spring;15, slide rail;16, push rod one;17, push rod two;18, guide rail;19, block;20, resistance spring;21, check valve pad.​ Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figures 1-4 This utility model discloses a disposable pulse wound cleaning gun with a quick-change mechanism and a CO2 channel, comprising: a gun body 1, a trigger 4 provided on the inner side wall of the gun body 1, which controls the operation of a motor 12 when pressed, a motor 12 fixedly connected to the inner side wall of the gun body 1, driving the gear in the flushing pump 11 to rotate, a flushing pump 11 provided at the output end of the motor 12, the motor 12 and the internal gear driving the piston in the flushing pump 11 to reciprocate, causing the volume of the piston chamber to change, for conveying flushing fluid or CO2, a docking block 8 fixedly connected to the side surface of the flushing pump 11, connected to the liquid inlet pipe 13 and the air inlet pipe 9, and under the action of the piston, sending the flushing fluid or CO2 to the nozzle 3 for spraying out, a fixing plate 5 fixedly connected to the end of the docking block 8 away from the flushing pump 11, connecting the docking block 8 and the nozzle 3, and a nozzle 3 fixedly connected to the end of the fixing plate 5 away from the docking block 8, spraying out the flushing fluid and CO2, respectively for cleaning the surgical site and drying the surgical site after cleaning;

[0024] The side inner wall of the butt block 8 is slidably connected with a stop block 19, which seals one end of the butt block 8 and prevents CO2 from entering the butt block 8 during the cleaning process. The end of the stop block 19 away from the butt block 8 is fixedly connected with a resistance spring 20, which uses elastic force to block the one end of the butt block 8. After the push rod 16 pushes the stop block 19, the stop block 19 drives the butt block 8 to open, allowing CO2 to enter the butt block 8. The side inner wall of the butt block 8 is slidably connected with a one-way valve pad 21, which allows the flushing liquid in the liquid inlet pipe 13 to enter the butt block 8 in one direction. After the push rod 17 is pushed, the butt block 8 is blocked, preventing the flushing liquid from entering the butt block 8. The side surface of the gun body 1 is rotatably connected with a rotating ring 2, which rotates to make the steel ball 7 slide along the guide rail 18, driving the moving block 6 to move. The side inner wall of the rotating ring 2 is movably connected with the steel ball 7, which slides along the slide rail 15 and the guide rail 18 under the drive of the rotating ring 2, and drives the moving block 6 to slide. The side surface of the moving block 6 is fixedly connected with the push rod 16, which is slidably connected with the butt block 8. The end of the push rod 16 away from the moving block 6 is in contact with the stop block 19, pushing the stop block 19 to move. The side surface of the moving block 6 is fixedly connected with the push rod 17, which is slidably connected with the butt block 8. The end of the push rod 17 away from the moving block 6 is in contact with the one-way valve pad 21, pushing the one-way valve pad 21 to block the butt block 8.

[0025] The side surface of the gun body 1 is provided with a guide rail 18, which makes the steel ball 7 slide along the guide rail 18 and drives the moving block 6 to move. The steel ball 7 is movably connected with the gun body 1 along the guide rail 18. The side surface of the moving block 6 is provided with a slide rail 15, which makes the steel ball 7 move along the slide rail 15 while driving the moving block 6 to slide. The steel ball 7 is movably connected with the moving block 6 along the slide rail 15. The side inner wall of the gun body 1 is fixedly connected with the fixed plate 5. The side surface of the fixed plate 5 is fixedly connected with a return spring 14, which uses elastic force to drive the moving block 6 to return. The end of the return spring 14 away from the fixed plate 5 is fixedly connected with the moving block 6. The side surface of the fixed plate 5 is fixedly connected with a recovery pipe 10, which allows the device to absorb blood and water from the surgical site and send it out through the recovery pipe 10. The end of the butt block 8 close to the stop block 19 is fixedly connected with an air inlet pipe 9, which allows CO2 to be delivered to the butt block 8 through the air inlet pipe 9 and then sprayed out of the spray pipe 3 to dry the surgical site. The end of the resistance spring 20 away from the stop block 19 is fixedly connected with the air inlet pipe 9. The end of the butt block 8 close to the one-way valve pad 21 is fixedly connected with a liquid inlet pipe 13, which can deliver flushing liquid from the liquid inlet pipe 13 to the butt block 8 and spray it out of the spray pipe 3 to flush the surgical site.

[0026] Working principle: during the operation, aim the nozzle 3 at the operation site, press the trigger 4, the motor 12 works and drives the piston in the flush pump 11 to reciprocate, the volume of the piston cavity changes, the flush liquid passes through the liquid inlet pipe 13 and enters the butt block 8 from the one-way valve pad 21, then is sprayed from the nozzle 3 through the fixed plate 5, the operation site of the patient is flushed, the blood water can also be sucked into the recovery pipe 10 after flushing, the operation site is clear, the medical staff can operate conveniently, after the flushing is completed, rotate the rotating ring 2, the rotating ring 2 drives the steel ball 7 to slide along the guide rail 18 and the slide rail 15, and drives the moving block 6 to move, the push rod one 16 and the push rod two 17 on the moving block 6 push the block 19 and the one-way valve pad 21 respectively, the block 19 is pushed and the resistance spring 20 is compressed, one end of the butt block 8 is opened, the gas in the air inlet pipe 9 can enter the butt block 8 and be sprayed from the nozzle 3, the operation site is dried, the push rod two 17 pushes the one-way valve pad 21 to block the other end of the butt block 8, so that the flush liquid in the liquid inlet pipe 13 cannot enter the butt block 8.

[0027] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range possessed by ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A disposable pulse debridement gun with a quick change mechanism with a CO2 channel, characterized in that, Include: The side inner wall of the gun body (1) is provided with a trigger (4), the side inner wall of the gun body (1) is fixedly connected with a motor (12), the output end of the motor (12) is provided with a flushing pump (11), the side surface of the flushing pump (11) is fixedly connected with a docking block (8), one end of the docking block (8) away from the flushing pump (11) is fixedly connected with a fixed plate (5), one end of the fixed plate (5) away from the docking block (8) is fixedly connected with a nozzle (3); The side inner wall of the docking block (8) is slidably connected with a stop block (19), one end of the stop block (19) away from the docking block (8) is fixedly connected with a resistance spring (20), the side inner wall of the docking block (8) is slidably connected with a one-way valve pad (21), the side surface of the gun body (1) is rotatably connected with a rotating ring (2), the side inner wall of the rotating ring (2) is movably connected with a steel ball (7), the side inner wall of the gun body (1) is slidably connected with a moving block (6), the side surface of the moving block (6) is fixedly connected with a push rod one (16), the side surface of the moving block (6) is fixedly connected with a push rod two (17).

2. The disposable pulse debridement gun with a CO2 channel quick-change mechanism according to claim 1, characterized in that, The side surface of the gun body (1) is provided with a guide rail (18), the steel ball (7) is movably connected with the gun body (1) along the guide rail (18).

3. The disposable pulse debridement gun with a CO2 channel quick-change mechanism according to claim 1, characterized in that, The side surface of the moving block (6) is provided with a slide rail (15), the steel ball (7) is movably connected with the moving block (6) along the slide rail (15).

4. The disposable pulse debridement gun with a CO2 channel quick-change mechanism according to claim 1, characterized in that, The side surface of the push rod one (16) is slidably connected with the docking block (8), one end of the push rod one (16) away from the moving block (6) is in contact with the stop block (19).

5. The disposable pulse debridement gun with a CO2 channel quick change mechanism according to claim 1, characterized in that, The side surface of the push rod two (17) is slidably connected with the docking block (8), one end of the push rod two (17) away from the moving block (6) is in contact with the one-way valve pad (21).

6. The single-use pulsed debridement gun with a CO2 channel quick change mechanism of claim 1, wherein, The side inner wall of the gun body (1) is fixedly connected with the fixed plate (5), the side surface of the fixed plate (5) is fixedly connected with a return spring (14).

7. The single-use pulsed debridement gun with a CO2 channel quick change mechanism of claim 6, wherein, One end of the return spring (14) away from the fixed plate (5) is fixedly connected with the moving block (6), the side surface of the fixed plate (5) is fixedly connected with a recovery pipe (10).

8. The single-use pulsed debridement gun with a CO2 channel quick change mechanism of claim 1, wherein, One end of the docking block (8) close to the stop block (19) is fixedly connected with an air inlet pipe (9), one end of the resistance spring (20) away from the stop block (19) is fixedly connected with the air inlet pipe (9), one end of the docking block (8) close to the one-way valve pad (21) is fixedly connected with a liquid inlet pipe (13).

Citation Information

Patent Citations

  • Disposable medical pulse debridement gun with LED lamp

    CN213822870U