Adjustable pressure constant temperature wound irrigator

Abstract

This invention discloses an adjustable pressure constant temperature wound irrigation device, belonging to the field of wound irrigation technology. It includes a constant temperature water tank, with a first connecting pipe fixedly connected to the output end of the water tank. A water pump is installed at one end of the first connecting pipe, and a second connecting pipe fixedly connected to the output end of the water pump. A fixed support is fixedly connected to the bottom of the second connecting pipe. A wound adaptor is also included, with the pressure adaptor disposed inside the fixed support for adapting to wounds of different lengths and adjusting the extension length of the water outlet. This invention, by incorporating a wound adaptor and precisely controlling the extension distance of the spray nozzle to match the wound length through motor start / stop, ensures that the irrigation water flow targets and covers the entire wound area, guaranteeing comprehensive and effective irrigation while avoiding irritation of surrounding healthy tissue. It also replaces manual adjustment, improving the accuracy, controllability, and standardization of operation, while reducing patient discomfort and balancing the effectiveness and comfort of the treatment procedure.

Description

Technical Field

[0001] This invention relates to the field of wound irrigation technology, and more particularly to an adjustable pressure constant temperature wound irrigation device. Background Technology

[0002] Wound irrigators are medical devices used to clean wound surfaces. They deliver irrigation fluid (such as saline or disinfectant) to the wound area under controlled pressure, balancing pressure regulation with wound tissue protection. They are suitable for various types of wounds, including superficial, deep, and infected wounds. Through continuous flow or pulsed flow, they efficiently remove foreign objects, bacteria, and necrotic tissue while minimizing secondary damage to healthy tissue. This reduces the risk of wound infection, optimizes the wound healing environment, and promotes wound repair. They are widely used in in-hospital clinical care, pre-hospital emergency care, and home post-operative wound care.

[0003] In clinical wound care, traditional wound irrigators typically spray irrigating fluid through fixed outlets to clean and care for wounds. However, the core drawback of these devices is that the outlet extension length is fixed and lacks flexibility. Their design can only match wounds of a single length and type. When faced with wounds of varying lengths and shapes in clinical practice (such as long lacerations, large abrasions, and short surgical incisions), it is difficult to achieve precise, full-area coverage irrigation. To address this issue, we designed an adjustable pressure and constant temperature wound irrigator to solve the above problems. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] In view of the problem that the existing adjustable pressure constant temperature wound irrigator has a fixed outlet extension length, lacks flexibility and can only match wounds of a single length and type, and cannot achieve precise full-area irrigation for wounds of different lengths and shapes in clinical practice, this invention is proposed.

[0006] Therefore, the purpose of this invention is to provide an adjustable pressure constant temperature wound irrigation device to solve the problem.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an adjustable pressure constant temperature wound irrigation device, the device comprising: a constant temperature water tank, the output end of the constant temperature water tank being fixedly connected to a first connecting pipe, a water pump being installed at one end of the first connecting pipe, the output end of the water pump being fixedly connected to a second connecting pipe, and a fixed support being fixedly connected to the bottom of the second connecting pipe; a wound adaptor, the pressure adaptor being disposed inside the fixed support, used to adapt to wounds of different lengths and adjust the extension length of the water outlet, the wound adaptor including a spray seat slidably connected to the inside of the fixed support, the input end of the spray seat being fixedly connected to a hose, and the other end of the hose being fixedly connected to the input end of the fixed support, and the inside of the fixed support communicating with the inside of the second connecting pipe; and a pressure regulator, the pressure regulator being disposed inside the spray seat, used to adjust the water jet speed.

[0008] As a preferred embodiment of the adjustable pressure constant temperature wound irrigation device of the present invention, the wound adapter further includes two first limiting slide grooves formed on the inner side of the fixed support, each of the two first limiting slide grooves having a first connecting block slidably connected to its inner side, and one side of each of the two first connecting blocks being fixedly connected to the spray seat, and a driving unit being provided at one end of the fixed support.

[0009] As a preferred embodiment of the adjustable pressure constant temperature wound irrigation device of the present invention, the driving unit includes a driving motor installed on one side of the fixed support, and the output end of the driving motor passes through the inner side of the fixed support and is fixedly connected to a first one-way threaded screw, and one of the first connecting blocks is threadedly connected to the outer wall of the first one-way threaded screw.

[0010] As a preferred embodiment of the adjustable pressure constant temperature wound irrigation device of the present invention, the pressure regulator includes a connecting groove and a plurality of water outlet grooves formed inside the fixed support. One side of each of the plurality of water outlet grooves is connected to the inside of the connecting groove, and the other side of each of the plurality of water outlet grooves is connected to the outside. A diameter changer is provided on the inside of each of the plurality of water outlet grooves.

[0011] In a preferred embodiment of the adjustable pressure constant temperature wound irrigation device of the present invention, the diameter changer includes a plurality of mounting slots formed inside the spray seat, and a drive plate and a first fixed circular plate are rotatably connected to the inner side of each of the plurality of mounting slots, and a plurality of sliding blocks are provided between the drive plate and the first fixed circular plate.

[0012] As a preferred embodiment of the adjustable pressure constant temperature wound irrigation device of the present invention, the diameter changer further includes a plurality of rectangular grooves formed on the inner side of the first fixed circular plate, and a plurality of sliding blocks are slidably connected to the inner side of one of the rectangular grooves. The inner side of the drive plate is provided with a plurality of arc-shaped grooves, and a small cylinder is fixedly connected to the top of each of the plurality of sliding blocks. The plurality of small cylinders are slidably connected to the inner side of one of the arc-shaped grooves. A synchronous driver is provided on one side of the drive plate.

[0013] As a preferred embodiment of the adjustable pressure constant temperature wound irrigation device of the present invention, the synchronous driver includes a second limiting slide groove fixedly connected to the inner side of the fixed support, a second connecting block is slidably connected to the inner side of the second limiting slide groove, and a straight rack is fixedly connected to the bottom of the second connecting block. The outer wall of the drive plate is provided with a plurality of locking teeth, and the straight rack meshes with the plurality of locking teeth on the outer wall of the drive plate.

[0014] As a preferred embodiment of the adjustable pressure constant temperature wound irrigation device of the present invention, the synchronous driver further includes two rectangular fixing plates fixedly connected to one side of the spray seat, a second one-way threaded screw is rotatably connected to the inner side of the two rectangular fixing plates, and the second connecting block is threadedly connected to the outer wall of the second one-way threaded screw. A drive assembly is provided on one side of the rectangular fixing plate.

[0015] In a preferred embodiment of the adjustable pressure constant temperature wound irrigation device of the present invention, the driving component includes a second fixed circular plate fixedly connected to one end of the rectangular fixed plate, and a rotating plate is fixedly connected to the outer wall of the second one-way threaded screw, and a torsion spring is installed between the rotating plate and the second fixed circular plate.

[0016] As a preferred embodiment of the adjustable pressure constant temperature wound irrigation device of the present invention, the driving assembly further includes a cylinder fixedly connected to the bottom of the rotating plate, a ball bearing rotatably connected to the bottom of the cylinder, a driving plate fixedly connected to the inner side of the fixed support, and the top of the driving plate is provided with two inclined surfaces and one straight surface, and the two inclined surfaces and one straight surface are respectively smoothly connected by an arc surface.

[0017] The beneficial effects of this invention are: 1. By setting up a wound adaptor and precisely controlling the extension distance of the jet seat to match the wound length by controlling the start and stop of the motor, the irrigation water flow can be targeted to cover the entire wound area, ensuring the comprehensive effectiveness of irrigation and avoiding irritation to surrounding healthy tissue. It also replaces manual adjustment, improves the accuracy, controllability and standardization of operation, simplifies clinical operation steps, improves irrigation efficiency, and reduces patient discomfort, thus taking into account both the effectiveness and comfort of diagnosis and treatment. 2. By setting a pressure regulator and using mechanical linkage to synchronously adjust the increase in the number of water tanks and the reduction in the opening, the water flow intensity is kept constant, so that the rinsing range is precisely matched with the wound length, achieving uniform and effective rinsing of the entire wound area, eliminating cleaning blind spots and avoiding water flow dispersion; at the same time, it avoids secondary stimulation of the wound caused by fluctuations in water flow intensity, balances the effectiveness and safety of debridement operations, improves the equipment's adaptability to wounds of different lengths, and ensures the stability of rinsing operations and the clinical versatility of the equipment; 3. By coordinating components such as the drive plate, intermittent step adjustment of the water outlet opening is achieved, enabling precise control of the water outlet opening in stages. This allows the water flow intensity to be adapted stepwise according to the extension distance of the jet seat, improving the accuracy of water flow control and the level of irrigation refinement. It can accurately match the differentiated irrigation needs of wounds of different lengths and shapes. At the same time, the stepwise adjustment avoids sudden changes in water flow pressure, ensuring the stability of the irrigation process and effectively reducing patient discomfort during irrigation. 4. By setting up the cooperation of parts such as ball bearings, the rotation of the rack 20 is slowed down, thereby avoiding the problem of excessive reduction of the opening of the water outlet 8, avoiding secondary damage to the wound caused by a sudden increase in water pressure, ensuring the safety of clinical irrigation, and at the same time, steadily controlling the adjustment range of the water outlet opening, effectively improving the stability and controllability of water flow parameters. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein: Figure 1 This is a schematic diagram of the structure of the present invention.

[0019] Figure 2 This is a cross-sectional view of the present invention.

[0020] Figure 3 This is a schematic diagram of the wound adaptor structure of the present invention.

[0021] Figure 4 This is an exploded view of the drive plate, sliding block, and first fixed circular plate components of the present invention.

[0022] Figure 5 This is a partial structural diagram of the pressure regulator of the present invention.

[0023] Figure 6 This is a schematic diagram of the second connecting block structure of the present invention.

[0024] Figure 7 This is a schematic diagram of the rotating plate structure of the present invention.

[0025] Figure 8 This is a schematic diagram of the drive board structure of the present invention.

[0026] In the diagram: 1. Constant temperature water tank; 2. Water pump; 3. First connecting pipe; 4. Second connecting pipe; 5. Fixed support; 6. Spray seat; 7. Hose; 8. Water outlet groove; 9. Mounting groove; 10. Drive plate; 11. Sliding block; 12. Arc groove; 13. First fixed circular plate; 14. Rectangular groove; 15. Small cylinder; 16. First limiting slide groove; 17. First connecting block; 18. First one-way threaded screw; 19. Drive motor; 20. Straight rack; 21. Second limiting slide groove; 22. Second connecting block; 23. Rectangular fixed plate; 24. Rotating plate; 25. Second fixed circular plate; 26. Torsion spring; 27. Drive plate; 28. Second one-way threaded screw; 29. ​​Cylinder; 30. Ball bearing; 31. Connecting groove. Detailed Implementation

[0027] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0030] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0031] Reference Figures 1-8An adjustable pressure constant temperature wound irrigation device is provided, comprising: a constant temperature water tank 1, with a first connecting pipe 3 fixedly connected to the output end of the constant temperature water tank 1, a water pump 2 installed at one end of the first connecting pipe 3, a second connecting pipe 4 fixedly connected to the output end of the water pump 2, and a fixed support 5 fixedly connected to the bottom of the second connecting pipe 4; and a wound adaptor, the pressure adaptor being disposed inside the fixed support 5, used to adapt to wounds of different lengths and adjust the extension length of the water outlet, the wound adaptor including a spray seat 6 slidably connected to the inside of the fixed support 5, a hose 7 fixedly connected to the input end of the spray seat 6, and the other end of the hose 7 fixedly connected to the input end of the fixed support 5. The inner side of the fixed support 5 is connected to the inner side of the second connecting pipe 4; the wound adaptor includes two first limiting slide grooves 16 opened on the inner side of the fixed support 5, and a first connecting block 17 is slidably connected to the inner side of each of the two first limiting slide grooves 16, and one side of each of the two first connecting blocks 17 is fixedly connected to the spray seat 6. A drive unit is provided at one end of the fixed support 5. The drive unit includes a drive motor 19 installed on one side of the fixed support 5, and the output end of the drive motor 19 passes through to the inner side of the fixed support 5 and is fixedly connected to a first one-way threaded screw 18, and one of the first connecting blocks 17 is threadedly connected to the outer wall of the first one-way threaded screw 18. A gasket is provided between the inner side of the fixed support 5 and the bottom of the spray seat 6. The gasket forms a reliable sealing structure through sealing and cooperation, thereby achieving sealing and protection of the outlet of the spray seat 6 and effectively preventing water from overflowing from the gap between the fixed support 5 and the spray seat 6. When performing irrigation on a patient, the patient first places the wound in the irrigation position. The doctor starts the drive motor 19, whose output drives the first one-way threaded screw 18 to rotate, causing one of the first one-way threaded screws 18 to move towards the drive motor 19, thereby pushing the spray seat 6 outward. The doctor can precisely control the extension distance of the spray seat 6 by controlling the start and stop of the drive motor 19, achieving a precise match with the length of the wound. This allows the irrigation water flow to target the entire wound area, ensuring the comprehensiveness and effectiveness of the irrigation and avoiding unnecessary irritation to surrounding healthy tissues. On the other hand, it can replace manual adjustment, effectively improving the accuracy, controllability, and standardization of the operation. It simplifies the clinical operation steps, improves the efficiency of the irrigation operation, and reduces the patient's discomfort during the irrigation process, taking into account both the effectiveness and comfort of the treatment operation.

[0032] Reference Figures 2-8An adjustable pressure constant temperature wound irrigation device is provided. The pressure regulator is located inside the spray base 6 and is used to adjust the water jet speed. The pressure regulator includes a connecting groove 31 and multiple water outlet grooves 8 formed inside the fixed support 5. One side of each water outlet groove 8 communicates with the inside of the connecting groove 31, and the other side of each water outlet groove 8 communicates with the outside. A diameter changer is provided inside each of the multiple water outlet grooves 8. The diameter changer includes multiple mounting grooves 9 formed inside the spray base 6, and a drive plate 10 and a first... are rotatably connected to the inside of each mounting groove 9. A plurality of sliding blocks 11 are disposed between the fixed circular plate 13, the drive plate 10, and the first fixed circular plate 13. The diameter changer also includes a plurality of rectangular slots 14 formed on the inner side of the first fixed circular plate 13, and the plurality of sliding blocks 11 are slidably connected to the inner side of a rectangular slot 14. A plurality of arc-shaped slots 12 are formed on the inner side of the drive plate 10, and a small cylinder 15 is fixedly connected to the top of each of the plurality of sliding blocks 11. The plurality of small cylinders 15 are slidably connected to the inner side of an arc-shaped slot 12. A synchronous driver is disposed on one side of the drive plate 10. The synchronous driver includes a component fixedly connected to the inner side of the fixed support 5. The second limiting groove 21 has a second connecting block 22 slidably connected to its inner side, and a straight rack 20 is fixedly connected to the bottom of the second connecting block 22. The outer wall of the drive plate 10 is provided with multiple locking teeth, and the straight rack 20 meshes with these teeth. The synchronous driver also includes two rectangular fixing plates 23 fixedly connected to one side of the injection seat 6. A second one-way threaded screw 28 is rotatably connected to the inner side of the two rectangular fixing plates 23, and the second connecting block 22 is threadedly connected to the outer wall of the second one-way threaded screw 28. One side of the rectangular fixing plate 23 is provided with... The drive assembly includes a second fixed circular plate 25 fixedly connected to one end of a rectangular fixed plate 23, and a rotating plate 24 fixedly connected to the outer wall of a second one-way threaded screw 28. A torsion spring 26 is installed between the rotating plate 24 and the second fixed circular plate 25. The drive assembly also includes a cylinder 29 fixedly connected to the bottom of the rotating plate 24. A ball bearing 30 is rotatably connected to the bottom of the cylinder 29. A drive plate 27 is fixedly connected to the inner side of the fixed support 5. The top of the drive plate 27 is provided with two inclined surfaces and one straight surface. The two inclined surfaces and one straight surface are smoothly connected by an arc surface. As the spray seat 6 extends outward, the rack 20 moves synchronously toward the drive motor 19, driving multiple drive plates 10 to rotate. With the guidance of the arc groove 12, multiple sliding blocks 11 are driven to retract inward along the rectangular groove 14, reducing the diameter enclosed by the inner side of the drive plate 10. This achieves a linkage adjustment between the increase in the number of water outlets 8 and the synchronous reduction in the opening size, ensuring that the flushing water flow intensity remains constant. This design allows for precise matching of the flushing range with the wound length, achieving uniform and effective flushing of the entire wound area. It avoids problems such as blind spots in cleaning and water flow dispersion, and also avoids secondary stimulation of the wound caused by fluctuations in water flow intensity. It balances the effectiveness and safety of debridement operations, while effectively improving the equipment's adaptability to wounds of different lengths, ensuring the stability of the flushing operation and the clinical versatility of the equipment. As the spray seat 6 extends outward, it simultaneously drives the rectangular fixed plate 23, the rotating plate 24, and the ball bearing 30 to move towards the drive motor 19. Initially, the ball bearing 30 abuts against the planar area of ​​the drive plate 27. As the ball bearing 30 continues to move until its bottom contacts the first arc surface of the drive plate 27, it pushes the rotating plate 24 to rotate under the guidance of the first arc surface, thereby driving the second one-way threaded screw 28 to rotate. This drives the second connecting block 22 to move towards the second fixed circular plate 25, and drives the rack 20 to move in conjunction, achieving the initial reduction of the opening of the water outlet 8. When the ball bearing 30 moves to the end of the first arc surface, the opening of the water outlet 8 completes the initial minimum contraction. As it continues to move, it contacts the second arc surface. Upon contact, the aforementioned transmission structure achieves a secondary reduction in the opening of the water outlet 8, ultimately enabling intermittent, stepped adjustment of the water outlet 8 opening. This structural design allows for precise, phased control of the water outlet 8 opening, enabling the water flow intensity to adapt in a stepped manner with the extension distance of the jet seat 6. This not only improves the precision of water flow control and the level of refinement in the rinsing operation but also precisely matches the differentiated rinsing needs of wounds of different lengths and shapes. Simultaneously, the stepped adjustment method effectively avoids sudden changes in water flow pressure, ensuring the stability of the rinsing process and reducing patient discomfort during rinsing. Furthermore, the entire adjustment action relies on a purely mechanical linkage structure, ensuring precise adjustment and stable operation, further enhancing the clinical adaptability and reliability of the equipment. At the same time, the above structure reduces the rotation of the rack 20, limiting it to move only slowly and in small increments. This effectively avoids the problem of excessive shrinkage of the opening of the water tank 8 from a mechanical perspective. It not only avoids secondary damage to the wound caused by a sudden increase in water pressure and ensures the safety of clinical irrigation, but also allows for stable control of the opening adjustment range, improving the stability and controllability of the water flow parameters.

[0033] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. An adjustable pressure constant temperature wound irrigation device, characterized in that, include: A constant temperature water tank (1) is fixedly connected to a first connecting pipe (3) at its output end. A water pump (2) is installed at one end of the first connecting pipe (3). A second connecting pipe (4) is fixedly connected to the output end of the water pump (2). A fixed support (5) is fixedly connected to the bottom of the second connecting pipe (4). A wound adaptor is provided on the inner side of the fixed support (5) to adapt to wounds of different lengths and adjust the extension length of the water outlet. The wound adaptor includes a spray seat (6) slidably connected to the inner side of the fixed support (5). A hose (7) is fixedly connected to the input end of the spray seat (6), and the other end of the hose (7) is fixedly connected to the input end of the fixed support (5). The inner side of the fixed support (5) is connected to the inner side of the second connecting pipe (4). A pressure regulator is provided on the inside of the jet seat (6) to regulate the water jet speed.

2. The adjustable pressure constant temperature wound irrigation device according to claim 1, characterized in that: The wound adaptor also includes two first limiting grooves (16) formed inside the fixed support (5). A first connecting block (17) is slidably connected to the inner side of each of the two first limiting grooves (16), and one side of each of the two first connecting blocks (17) is fixedly connected to the spray seat (6). A drive unit is provided at one end of the fixed support (5).

3. The adjustable pressure constant temperature wound irrigation device according to claim 2, characterized in that: The drive unit includes a drive motor (19) installed on one side of the fixed support (5), and the output end of the drive motor (19) extends through to the inner side of the fixed support (5) and is fixedly connected to a first one-way threaded screw (18), and one of the first connecting blocks (17) is threadedly connected to the outer wall of the first one-way threaded screw (18).

4. The adjustable pressure constant temperature wound irrigation device according to claim 3, characterized in that: The pressure regulator includes a connecting groove (31) and multiple water outlet grooves (8) opened inside the fixed support (5). One side of each of the multiple water outlet grooves (8) is connected to the inside of the connecting groove (31), and the other side of each of the multiple water outlet grooves (8) is connected to the outside. A diameter changer is provided on the inside of each of the multiple water outlet grooves (8).

5. The adjustable pressure constant temperature wound irrigation device according to claim 4, characterized in that: The diameter changer includes multiple mounting slots (9) formed inside the injection seat (6), and a drive plate (10) and a first fixed circular plate (13) are rotatably connected to the inner side of each of the multiple mounting slots (9). Multiple sliding blocks (11) are provided between the drive plate (10) and the first fixed circular plate (13).

6. The adjustable pressure constant temperature wound irrigation device according to claim 5, characterized in that: The diameter changer also includes a plurality of rectangular slots (14) formed on the inner side of the first fixed circular plate (13), and a plurality of sliding blocks (11) are slidably connected to the inner side of a rectangular slot (14). A plurality of arc-shaped slots (12) are formed on the inner side of the drive plate (10), and a small cylinder (15) is fixedly connected to the top of each of the sliding blocks (11). A plurality of small cylinders (15) are slidably connected to the inner side of an arc-shaped slot (12). A synchronous driver is provided on one side of the drive plate (10).

7. The adjustable pressure constant temperature wound irrigation device according to claim 6, characterized in that: The synchronous driver includes a second limiting slide groove (21) fixedly connected to the inner side of the fixed support (5). A second connecting block (22) is slidably connected to the inner side of the second limiting slide groove (21), and a straight rack (20) is fixedly connected to the bottom of the second connecting block (22). The outer wall of the drive plate (10) is provided with multiple locking teeth, and the straight rack (20) meshes with the multiple locking teeth on the outer wall of the drive plate (10).

8. The adjustable pressure constant temperature wound irrigation device according to claim 7, characterized in that: The synchronous driver also includes two rectangular fixing plates (23) fixedly connected to one side of the jet seat (6). A second one-way threaded screw (28) is rotatably connected to the inner side of the two rectangular fixing plates (23), and the second connecting block (22) is threadedly connected to the outer wall of the second one-way threaded screw (28). A drive assembly is provided on one side of the rectangular fixing plate (23).

9. An adjustable pressure constant temperature wound irrigation device according to claim 8, characterized in that: The drive assembly includes a second fixed circular plate (25) fixedly connected to one end of the rectangular fixed plate (23), and a rotating plate (24) is fixedly connected to the outer wall of the second one-way threaded screw (28), and a torsion spring (26) is installed between the rotating plate (24) and the second fixed circular plate (25).

10. An adjustable pressure constant temperature wound irrigation device according to claim 9, characterized in that: The drive assembly also includes a cylinder (29) fixedly connected to the bottom of the rotating plate (24), a ball bearing (30) is rotatably connected to the bottom of the cylinder (29), a drive plate (27) is fixedly connected to the inner side of the fixed support (5), and the top of the drive plate (27) is provided with two inclined surfaces and one straight surface, and the two inclined surfaces and one straight surface are smoothly connected by an arc surface.

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