A wound debrider

Abstract

The present invention discloses a wound debrider, which relates to the technical field of debriders and includes a liquid supply host. The liquid supply host is connected to a debriding member through a pipeline. The debriding member includes a handheld part, and a debriding head and a water inlet head are respectively connected to both ends of the handheld part. It also includes a water spraying component and an adjusting component. The water spraying component includes a movable member arranged in the debriding head, and a guiding member is hermetically and slidably connected in the movable member. One end of the guiding member is fixedly connected with a limiting member, and a connecting member is arranged between the guiding member and the limiting member. The adjusting component includes a connecting member arranged in the debriding member, and one end of the connecting member is fixedly connected with the end of the connecting member extending out of the movable member. When the debriding member of the present invention is used to debride wounds of different degrees of patients, the spraying port of the debriding head further increases the angle of the obtuse angle formed between the liquid outlet direction of the movable member and the handheld part, preventing discomfort and secondary injury to the patient during debridement.

Description

Technical Field

[0001] The present invention relates to the technical field of debriders, and particularly to a wound debrider. Background Art

[0002] Wound debridement is a method of removing pollutants, necrotic tissue, exudates, and microorganisms from the wound through physical and other methods, transforming the contaminated wound into a clean wound, and creating good conditions for wound healing.

[0003] However, for different wound characteristics, when debriding the wound, it is necessary to adjust the distance between the nozzle and the wound and the spraying angle of the nozzle, and the spraying pressure is also different according to different wounds.

[0004] For example, the Chinese patent with the application number 202411239024.2 discloses a wound cleaner for orthopaedics, which includes a liquid supply main machine and a spray gun. The spray gun is connected to the liquid supply main machine through a pipeline. The spray gun includes a handheld part; a water outlet pipe assembly connected to the front end of the handheld part, including a mounting seat, a metal pipe, and a hose; the mounting seat is connected to the front end of the handheld part; one end of the metal pipe is connected to the mounting seat and communicated with the liquid supply main machine; the hose is connected to the other end of the metal pipe; the angle adjustment mechanism includes a flexible head, a transmission component, and a control component; the control component includes a pressing plate and a push rod; through the mechanical structure design, this invention is significantly superior to the prior art in terms of operation convenience, cleaning effect, operation space optimization, equipment reliability and durability, strong adaptability, and use safety. This wound cleaner is particularly suitable for occasions with high cleaning requirements such as orthopaedics, can effectively improve work efficiency, and at the same time ensure the thoroughness and safety of wound cleaning.

[0005] Although the above invention can adjust the spraying angle of the pipeline in the spray gun through the angle adjustment mechanism, the holding force of different operators, as well as the distance and angle between the spray gun and the patient's wound, are different. It is easy to get tired during long-term debridement, and it is inconvenient to accurately grasp the spraying distance and spraying angle of wounds of different degrees, which is likely to cause the spray gun to be too close to the patient's wound or spray vertically on the patient's wound, thereby leading to problems such as patient discomfort and secondary injury.

[0006] Therefore, the present invention proposes a wound debrider to solve the above problems. Summary of the Invention

[0007] The purpose of the present invention is to provide a wound debrider to solve the problems raised in the above background art.

[0008] To achieve the above object, the present invention provides the following technical solution: A wound debridement device, including a liquid supply host, the liquid supply host is connected to a debridement member through a pipeline, the debridement member includes a handheld portion, both ends of the handheld portion are respectively connected with a debridement head and a water inlet head, and further includes a water spraying assembly and an adjusting assembly. The water spraying assembly includes a movable member arranged in the debridement head, a guiding member is hermetically and slidably connected in the movable member, one end of the guiding member is fixedly connected with a limiting member, a connecting member is arranged between the guiding member and the limiting member, a first wedge-shaped member is fixedly connected to the outer wall of the movable member, and an annular groove is arranged at the inner bottom of the movable member. The adjusting assembly includes a connecting member arranged in the debridement member, one end of the connecting member is fixedly connected with the end of the connecting member extending out of the movable member, and a second wedge-shaped member adapted to the first wedge-shaped member is fixedly connected to the outer wall of the connecting member.

[0009] Preferably, the water spraying assembly further includes a fixing ring fixed in the debridement head, a limiting ring is sleeved on the outer wall of the movable member, the movable member is composed of a cylinder and a sphere, a plurality of evenly distributed elastic members are arranged between the fixing ring and the limiting ring, a groove adapted to the sphere of the movable member is arranged at the water outlet of the debridement head, the sphere of the movable member is in abutting contact with the groove through the elastic members and the limiting ring, a through hole communicated with the movable member is arranged in the guiding member, a through hole communicated with the guiding member is opened in the connecting member, and the included angle formed between the spraying port of the debridement head and the handheld portion is set to be an obtuse angle.

[0010] Preferably, the connecting member is composed of a cylinder and a sphere, the guiding member and the limiting member are respectively provided with an adapting groove adapted to the sphere of the connecting member, and the connecting member forms a spherical hinge in the guiding member and the limiting member.

[0011] Preferably, the adjusting assembly includes a fixing member fixed in the debridement member, the fixing member is respectively provided with an avoidance hole and a placement hole, a base is fixedly connected in the placement hole, a flexible member is fixedly connected to the end of the base away from the fixing member, the other end of the flexible member is fixedly connected with a bridging member, and the other end of the bridging member is fixedly connected with the connecting member.

[0012] Preferably, a movable rod is arranged in the avoidance hole, a supporting member is fixedly connected to the end of the fixing member away from the flexible member, an adjusting member is fixedly connected to the other end of the supporting member, a long hole is opened in the side wall of one end of the movable rod located in the connecting member, a connecting hole is opened in the side wall of the other end of the movable rod extending out of the avoidance hole, an avoidance groove is opened in the supporting member, a rotating shaft is arranged in the avoidance groove, the outer wall of the rotating shaft located in the avoidance groove is rotatably connected with the inner wall of the avoidance hole, and the outer wall of the movable rod is slidably connected with the inner wall of the avoidance groove.

[0013] Preferably, a communication hole is formed in the adjusting member. One end of the adjusting member is fixedly connected to a connecting head coaxially arranged with the communication hole. An annular groove is formed in the adjusting member. The center of the annular groove is concentric with the rotating shaft. The annular groove communicates with the communication hole. A plugging member is hermetically and slidably connected in the annular groove. One end of the plugging member extending out of the annular groove is fixedly connected to the outer wall of the movable rod.

[0014] Preferably, an auxiliary member is fixedly connected to the outer wall of the end of the connecting member away from the flexible member. A placing groove is formed at the end of the auxiliary member away from the connecting member. A transmission rod is arranged in the placing groove. The outer wall of the transmission rod located in the placing groove is slidably connected to the inner wall of the long hole formed in the movable rod. One end of the movable rod located in the placing groove is slidably connected to the inner wall of the placing groove.

[0015] Preferably, a water inlet pipe is arranged in the water inlet head. The water inlet pipe is communicated with the connecting head through a pipeline.

[0016] Preferably, the connecting member is L-shaped. A channel is arranged in the connecting member. The connecting member and the communicating member are mutually communicated. One end of the connecting member close to the bridging member is fixedly connected to a high-pressure hose.

[0017] Preferably, the other end of the high-pressure hose penetrates through the bridging member, the fixing member, the flexible member, the base and the supporting member respectively and is communicated with the communication hole formed in the adjusting member.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. When the debridement member debrides the wounds of patients with different degrees in the present invention, the flexible member can be deformed by the upward movement of the diversion member in the movable member. While the connecting member and the bridging member deflect, the second wedge-shaped member is driven to deflect, so that the second wedge-shaped member drives the first wedge-shaped member and the movable member to deflect. Under the action of the limiting ring and the elastic member, the movable member deflects in the groove arranged in the debridement head. When the debridement head sprays vertically on the patient's wound too close to the patient's wound, the spraying port of the debridement head further enlarges the angle of the obtuse angle formed between the liquid outlet direction of the movable member and the handheld part, preventing the patient from feeling uncomfortable and suffering secondary injuries due to the vertical spraying of the debridement head too close to the patient's wound. At the same time, the operator can also judge that the spraying distance is too close through the change of the spraying angle and adjust it in time, and can combine different use pressures according to wounds of different degrees, realizing the automatic adjustment of the angle when the debridement head sprays vertically on the patient's wound too close to the patient's wound, reducing the operation difficulty of the operator.

[0020] 2. When the patient has moderate or severe trauma, when the debridement head is too close to the patient's wound surface, while the connecting piece deflects, it drives the auxiliary piece to move synchronously, so that the movable rod rotates clockwise in the avoidance groove around the axis of the rotating shaft through the connecting hole. While the movable rod rotates clockwise around the rotating shaft, it drives the blocking piece to slide in the annular groove opened by the adjusting piece, so that the blocking piece throttles the communication hole around the rotating shaft through the movable rod, so as to reduce the cross-sectional area of the high-pressure liquid passing through the communication hole and reduce the flow rate of the fluid. Therefore, when debriding patients with moderate and severe trauma, when the debridement head is too close to the patient's wound surface, the blocking piece throttles the communication hole, reduces the flow rate of the fluid passing through the communication hole, and reduces the injection pressure after the movable piece deflects, further preventing the patient from discomfort and secondary injury. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 FIG. is a schematic diagram of the overall structure of a wound debrider of the present invention.

[0022] Figure 2 FIG. is a schematic diagram of the structure of the debriding part of the present invention.

[0023] Figure 3 FIG. is a sectional view of the debriding part of the present invention.

[0024] Figure 4 FIG. is a sectional view of the fixing part of the present invention.

[0025] Figure 5 For the present invention Figure 4 Partial enlarged view of part A in.

[0026] Figure 6 FIG. is a schematic diagram of the structure of the connecting piece of the invention.

[0027] Figure 7 FIG. is an exploded view of the movable part of the invention.

[0028] Figure 8 FIG. is an exploded view of the movable rod of the invention.

[0029] Reference numerals are:

[0030] 1. Liquid supply main machine;

[0031] 2. Debriding part; 21. Hand-held part; 22. Debridement head; 23. Water inlet head; 231. Water inlet pipe;

[0032] 3. Water spraying assembly; 31. Movable part; 32. Flow guiding part; 33. Limiting part; 34. Connecting part; 35. Fixed ring; 36. Limiting ring; 37. Elastic part; 311. First wedge-shaped part;

[0033] 4. Adjusting assembly; 41. Connecting piece; 411. Auxiliary piece; 412. Placing groove; 413. Transfer rod; 42. Second wedge piece; 43. Fixing piece; 431. Avoidance hole; 432. Placing hole; 44. Base; 45. Flexible piece; 46. Bridging piece; 47. Movable rod; 471. Long hole; 472. Connecting hole; 48. Supporting piece; 481. Avoidance groove; 482. Rotating shaft; 49. Adjusting piece; 491. Connecting hole; 492. Connecting head; 493. Ring groove; 494. Sealing piece. Detailed implementation manner

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

[0035] Embodiment 1

[0036] In the actual use process, since the existing debrider needs to adjust the debridement angle through the wrist according to the wound condition of the patient, it is easy to cause hand fatigue of medical staff, thus affecting the debridement quality and debridement comfort. To solve the above problems, this embodiment is specifically invented.

[0037] Please refer to Figures 1 to 4 , a wound debrider according to an embodiment of the present invention includes a liquid supply host 1. The liquid supply host 1 is provided with a touch screen and is internally provided with an output pump. The output pressure of the output pump can be adjusted through the touch screen. This is the prior art and will not be elaborated here. The liquid supply host 1 is connected to a debriding part 2 through a pipeline. The debriding part 2 includes a handheld part 21. The two ends of the handheld part 21 are respectively connected with a debriding head 22 and a water inlet head 23. It further includes a water spraying assembly 3 and an adjusting assembly 4. The water spraying assembly 3 includes a movable part 31 arranged in the debriding head 22. A guiding part 32 is hermetically and slidably connected in the movable part 31. One end of the guiding part 32 is fixedly connected with a limiting part 33. A connecting part 34 is arranged between the guiding part 32 and the limiting part 33. The outer wall of the movable part 31 is fixedly connected with a first wedge part 311. An annular groove is arranged at the bottom of the movable part 31. The adjusting assembly 4 includes a connecting piece 41 arranged in the debriding part 2. One end of the connecting piece 41 is fixedly connected with the end of the connecting part 34 extending out of the movable part 31. The outer wall of the connecting piece 41 is fixedly connected with a second wedge part 42 adapted to the first wedge part 311.

[0038] Please refer to Figure 5 and Figure 7, the water spraying assembly 3 further includes a fixing ring 35 fixed inside the debridement head 22. A limiting ring 36 is sleeved on the outer wall of the movable member 31. The movable member 31 is composed of a cylinder and a sphere. A plurality of evenly distributed elastic members 37 are arranged between the fixing ring 35 and the limiting ring 36. The elastic member 37 is a spring. A groove adapted to the sphere of the movable member 31 is provided at the water outlet of the debridement head 22. The sphere of the movable member 31 is in abutting contact with the groove through the elastic member 37 and the limiting ring 36. A through hole communicating with the movable member 31 is provided in the flow guiding member 32, and a through hole communicating with the flow guiding member 32 is opened in the connecting member 34; combined with Figure 2 , the included angle formed between the spray port of the debridement head 22 and the handheld part 21 is set to be an obtuse angle. The connecting member 34 is composed of a cylinder and a sphere. The flow guiding member 32 and the limiting member 33 are respectively provided with fitting grooves adapted to the sphere of the connecting member 34. The connecting member 34 forms a spherical hinge in the flow guiding member 32 and the limiting member 33.

[0039] Please refer to Figure 3 , Figure 4 and Figure 8 , the adjusting assembly 4 includes a fixing member 43 fixed inside the debriding member 2. The fixing member 43 is respectively provided with an avoidance hole 431 and a placement hole 432. A base 44 is fixedly connected inside the placement hole 432. One end of the base 44 away from the fixing member 43 is fixedly connected with a flexible member 45. The other end of the flexible member 45 is fixedly connected with a bridging member 46. The other end of the bridging member 46 is fixedly connected with the connecting member 41. The flexible member 45 is a spring. A movable rod 47 is arranged in the avoidance hole 431. One end of the fixing member 43 away from the flexible member 45 is fixedly connected with a support member 48. The other end of the support member 48 is fixedly connected with an adjusting member 49. A long hole 471 is provided in the side wall of one end of the movable rod 47 located in the connecting member 41, and a connecting hole 472 is provided in the side wall of the other end of the movable rod 47 extending out of the avoidance hole 431. An avoidance groove 481 is provided in the support member 48. A rotating shaft 482 is arranged in the avoidance groove 481. The outer wall of the rotating shaft 482 located in the avoidance groove 481 is rotatably connected with the inner wall of the avoidance hole 431. The outer wall of the movable rod 47 is slidably connected with the inner wall of the avoidance groove 481. A communication hole 491 is opened in the adjusting member 49. One end of the adjusting member 49 is fixedly connected with a connection head 492 coaxially arranged with the communication hole 491. An annular groove 493 is opened in the adjusting member 49. The center of the annular groove 493 is concentric with the rotating shaft 482. The annular groove 493 is communicated with the communication hole 491. A plugging member 494 is hermetically slidably connected in the annular groove 493. One end of the plugging member 494 extending out of the annular groove 493 is fixedly connected with the outer wall of the movable rod 47; combined with Figure 6 and Figure 8, at one end of the connecting member 41 away from the flexible member 45, an auxiliary member 411 is fixedly connected to the outer wall. At one end of the auxiliary member 411 away from the connecting member 41, a placement groove 412 is formed. A transfer rod 413 is arranged in the placement groove 412. The outer wall of the transfer rod 413 located in the placement groove 412 is slidably connected to the inner wall of the long hole 471 formed in the movable rod 47. One end of the movable rod 47 located in the placement groove 412 is slidably connected to the inner wall of the placement groove 412.

[0040] Please refer to Figure 3 , an inlet pipe 231 is arranged in the water inlet head 23, and the inlet pipe 231 is communicated with the connection head 492 through a pipeline; combined with Figure 4 , Figure 5 and Figure 6 , the connecting member 41 is arranged in an L shape. A channel is arranged in the connecting member 41. The connecting member 41 and the communicating member 34 are in mutual communication. One end of the connecting member 41 close to the bridging member 46 is fixedly connected with a high-pressure hose; combined with Figure 8 , the other end of the high-pressure hose respectively penetrates through the bridging member 46, the fixing member 43, the flexible member 45, the base 44 and the support member 48 and is communicated with the communication hole 491 formed in the adjusting member 49.

[0041] When first used, the staff holds the debridement member 2 and aims the debridement head 22 at the collector, and starts the output pump to work through the touch screen on the liquid supply main machine 1, and pre-releases a certain amount of solution to clean the pipeline in the debridement member 2. After that, the staff holds the hand-held part 21 of the debridement member 2, makes the debridement head 22 close to the wound surface of the patient, and selects an appropriate water pressure according to the patient's trauma condition to perform debridement on the patient's wound surface.

[0042] Specifically, when further used, the output pump located in the liquid supply main machine 1 conveys the solution through the pipeline into the inlet pipe 231. The solution located in the inlet pipe 231 enters the connection head 492 through the pipeline. The high-pressure solution in the connection head 492 enters the communication hole 491 formed in the adjusting member 49. The high-pressure liquid in the communication hole 491 sequentially passes through the support member 48, the placement hole 432, the base 44, the flexible member 45 and the bridging member 46 through the high-pressure hose. The high-pressure solution in the high-pressure hose enters the channel formed in the connecting member 41. The high-pressure solution enters the communicating member 34 through the connecting member 41. The high-pressure liquid in the communicating member 34 enters the guiding member 32. The high-pressure liquid in the guiding member 32 enters the movable member 31. The high-pressure liquid sprays through the movable member 31 to perform debridement on the wound surface of the patient that needs debridement.

[0043] When the patient has minor wounds, such as superficial abrasions and small area contusions, start the output pump to work through the touch screen on the liquid supply main unit 1, and perform debridement on the patient with a relatively low pressure, such as using a pressure in the range of 0.5 to 1.5 psi. The staff moves the handheld part 21 to make the debridement head 22 close to the wound surface of the patient. The debridement head 22 is kept within a range of 3 to 5 cm from the patient's wound surface. This distance can not only ensure that the irrigation fluid can cover the wound area, but also prevent the nozzle from being too close to the wound and accidentally touching or damaging the wound. At this time, the debridement pressure is relatively gentle, which can effectively remove foreign matters such as dust and sand particles on the wound surface. Since the included angle formed between the jet orifice of the debridement head 22 and the handheld part 21 is an obtuse angle, when the operator performs debridement on the patient's wound surface, even without rotating the wrist, the high-pressure liquid jetted from the debridement head 22 and the movable part 31 can form a certain included angle with the patient's wound surface. When performing debridement on the patient, offsetting the debridement head 22 by a certain angle can make the high-pressure liquid form a better scouring effect on the wound surface, effectively washing out foreign matters at the wound edge and in the depression, and at the same time avoiding the liquid directly impacting the wound vertically, which may cause the patient's pain to intensify or cause secondary harm to the patient.

[0044] When the patient has moderate wounds, such as deeper lacerations and avulsions, at this time, start the output pump to work through the touch screen on the liquid supply main unit 1, and use a pressure in the range of 1.5 to 3 psi. This pressure range helps to wash out blood clots, tissue fragments, etc. deep in the wound, but will not cause further damage to the internal tissues of the wound due to excessive pressure. The staff moves the handheld part 21 to make the debridement head 22 close to the wound surface of the patient, perform debridement on the patient's wound surface, and keep the debridement head 22 within a range of 5 to 8 cm from the patient's wound surface. This distance takes into account the depth of the patient's wound and possible internal foreign matters. Appropriately increasing the distance can make the irrigation fluid have a certain impact force when entering the wound, and at the same time ensure the operation safety, preventing the nozzle from contacting the sensitive tissues inside the wound. At the same time, since the included angle formed between the jet orifice of the debridement head 22 and the handheld part 21 is an obtuse angle, when the operator performs debridement on the patient's wound surface, even without rotating the wrist, the high-pressure liquid jetted from the debridement head 22 and the movable part 31 can form a certain included angle with the patient's wound surface. When performing debridement on the patient, offsetting the debridement head 22 by a certain angle. For deeper wounds, this angle can make the irrigation fluid better enter the wound interior along the longitudinal axis of the wound, take out foreign matters, and at the same time reduce the excessive impact on the wound side wall.

[0045] When the patient has a severe wound, such as a large open wound or deep burn, the output pump is started through the touch screen on the liquid supply host 1, and a pressure in the range of 3 to 5 psi is used. When dealing with such severe wounds, a strong flushing force is required to remove a large amount of pollutants, necrotic tissue, etc. It should be noted that the pressure should not be too high to avoid damage to surrounding healthy tissues and blood vessels. For example, when dealing with large-area burn wounds, sufficient pressure can effectively flush away the eschar and secretions on the burn wound surface. The staff moves the handheld part 21 to bring the debridement head 22 close to the patient's wound surface, debride the patient's wound surface, and make the debridement head 22 within 8 to 12 cm from the patient's wound surface. This distance is mainly to minimize the damage to the wound and surrounding areas while ensuring the flushing effect. Direct mechanical damage to tissue. Since severe wounds have a wide range, maintaining a certain distance can allow the flushing liquid to cover the wound area more widely. At the same time, since the angle formed between the jet port of the debridement head 22 and the hand-held part 21 is an obtuse angle, when the operator is debridement of the patient's wound, even if the operator does not turn his wrist, the high-pressure liquid sprayed by the debridement head 22 and the movable part 31 can form a certain angle with the patient's wound. When debridement is performed on the patient, the debridement head 22 is offset by a certain angle, which can be flexibly adjusted according to the specific situation of the patient's wound. For large-area open wounds, the debridement head 22 is offset by a certain angle when the movable part 31 is sprayed, so that the flushing liquid can fully cover all parts of the wound, effectively clean the wound, and avoid excessive damage to the wound and surrounding tissues.

[0046] Embodiment 2

[0047] In actual use, it was found that although the angle formed between the spray port of the debridement head 22 and the hand-held part 21 is an obtuse angle in terms of structural design, so that the debridement head 22 and the movable part 31 do not spray the patient's wound vertically, there is still a problem that when the patient's debridement site is a joint, due to the existence of a specific curved surface structure, the debridement head 22 is too close to the patient's wound when the operator is debridement, causing discomfort and secondary injury to the patient. In addition, the operator is prone to fatigue during long-term debridement and cannot accurately grasp the spray distance and spray angle of wounds of different degrees. For this reason, further improvements are made on the basis of the above-mentioned embodiments.

[0048] Based on the above embodiments, during use, when an operator debrides a patient, if the patient has a minor wound, the staff brings the debriding head 22 close to the wound surface of the patient. When the debriding head 22 and the movable member 31 are too close to the patient's wound surface and vertically spray the patient's wound surface, since the high-pressure liquid sprayed through the movable member 31 is blocked due to being too close to the patient's wound surface, at this time, the flow rate of the high-pressure liquid sprayed through the movable member 31 decreases. At the same time, the liquid pressure inside the movable member 31 increases, and the liquid pressure inside the movable member 31 is greater than the liquid pressure inside the connecting member 34. Due to the setting of the flexible member 45, the guiding member 32 moves upward inside the movable member 31. When the movable member 31 moves upward, it drives the limiting member 33 to move synchronously. When the movable member 31 and the limiting member 33 move upward synchronously, the connecting member 34 deflects inside the movable member 31 and the limiting member 33, and at the same time drives the connecting member 41 to move upward. When the connecting member 41 moves, it drives the bridging member 46 to displace, and at the same time the flexible member 45 deforms. While the high-pressure liquid in the guiding member 32 sprays the patient's wound surface through the movable member 31, a part of the high-pressure water enters the annular groove at the bottom inside the movable member 31. The high-pressure water in the annular groove further assists the guiding member 32 to move upward. When the connecting member 41 moves, it drives the second wedge-shaped member 42 to deflect. When the second wedge-shaped member 42 deflects, it causes the first wedge-shaped member 311 cooperating with it and the movable member 31 to deflect, so that the movable member 31 deflects in the groove provided at the outlet of the debriding head 22. When the movable member 31 deflects, it drives the limiting ring 36 to deflect synchronously. When the limiting ring 36 deflects, it stretches the elastic member 37 on one side of the second wedge-shaped member 42. At the same time, the limiting ring 36 compresses the elastic member 37 opposite to the second wedge-shaped member 42.

[0049] In summary, when an operator uses the debriding member 2 to debride the wounds of different degrees of patients, when the debriding head 22 is too close to the patient's wound surface and vertically sprays the patient's wound surface, through the upward movement of the guiding member 32 inside the movable member 31, the flexible member 45 deforms, and the connecting member 41 together with the bridging member 46 deflects and at the same time drives the second wedge-shaped member 42 to deflect, so that the second wedge-shaped member 42 drives the first wedge-shaped member 311 and the movable member 31 to deflect. Under the action of the limiting ring 36 and the elastic member 37, the movable member 31 deflects in the groove provided in the debriding head 22, so that when the debriding head 22 is too close to the patient's wound surface and vertically sprays the patient's wound surface, the spraying port of the debriding head 22 further enlarges the angle of the obtuse angle formed between the liquid outlet direction of the movable member 31 and the handheld part 21, preventing the patient from feeling discomfort and secondary injury due to the debriding head 22 being too close to the patient's wound surface and vertically spraying the patient's wound surface. At the same time, the operator can also judge that the spraying distance is too close and adjust it in time through the change of the spraying angle, and can combine different use pressures according to wounds of different degrees, realizing the automatic adjustment of the angle when the debriding head 22 is too close to the patient's wound surface and vertically sprays the patient's wound surface, reducing the operation difficulty of the operator.

[0050] Embodiment III

[0051] In actual use, it is found that although when the debridement part 2 vertically sprays on the patient's wound surface at a distance too close to the patient's wound surface, the movable part 31 deflects in the groove provided in the debridement head 22, so that the spraying port of the debridement head 22 makes the angle of the obtuse angle formed between the liquid outlet direction and the handheld part 21 further increase by means of the movable part 31, preventing the patient from feeling uncomfortable and suffering secondary injuries due to the debridement head 22 being too close to the patient's wound surface. However, this is more suitable for patients with minor injuries. However, when used for patients with moderate and severe injuries, there is still a relatively large spraying pressure when the debridement head 22 is too close to the patient's wound surface, resulting in discomfort and secondary injuries to the patient. Therefore, further improvements are made on the basis of the above embodiments.

[0052] When the patient has moderate or severe injuries, while the debridement head 22 vertically sprays on the patient's wound surface at a distance too close to the patient's wound surface, on the basis of the above embodiments, when the connecting part 41 deflects, it drives the auxiliary part 411 to move synchronously. When the auxiliary part 411 deflects, it drives the transmission rod 413 to move synchronously. While the transmission rod 413 slides in the long hole 471 provided in the movable rod 47, the movable rod 47 deflects in the avoidance groove 481 provided in the support part 48 through the connecting hole 472 and the rotating shaft 482. At this time, the movable rod 47 rotates clockwise in the avoidance groove 481 around the axis of the rotating shaft 482 through the connecting hole 472. While the movable rod 47 rotates clockwise around the rotating shaft 482, it drives the blocking part 494 to slide in the annular groove 493 provided in the adjusting part 49, so that the blocking part 494 throttles the communication hole 491 in the annular groove 493 through the movable rod 47 around the rotating shaft 482, so as to reduce the cross-sectional area of the high-pressure liquid passing through the communication hole 491 and reduce the flow rate of the fluid, thereby ensuring that when debriding patients with moderate and severe injuries, when the debridement head 22 is too close to the patient's wound surface, the blocking part 494 throttles the communication hole 491 to reduce the flow rate of the fluid passing through the communication hole 491, reduce the spraying pressure of the movable part 31, and further prevent the patient from feeling uncomfortable and suffering secondary injuries.

[0053] In summary, when the patient has moderate or severe trauma, the debriding head 22 is too close to the patient's wound surface. While offsetting through the connecting member 41, the auxiliary member 411 is driven to move synchronously, so that the movable rod 47 rotates clockwise in the avoidance groove 481 around the axis of the rotating shaft 482 through the connecting hole 472. While the movable rod 47 rotates clockwise around the rotating shaft 482, the blocking member 494 is driven to slide in the annular groove 493 opened in the adjusting member 49, so that the blocking member 494 throttles the communication hole 491 around the rotating shaft 482 through the movable rod 47 in the annular groove 493, so as to reduce the cross-sectional area of the high-pressure liquid passing through the communication hole 491 and reduce the flow rate of the fluid, so as to ensure that when debriding patients with moderate and severe trauma, when the debriding head 22 is too close to the patient's wound surface, the communication hole 491 is throttled by the blocking member 494, so that the flow rate of the fluid passing through the communication hole 491 is reduced, and the injection pressure after the movable member 31 deflects is reduced, further preventing the patient from discomfort and secondary injury.

[0054] As mentioned above, the above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. A wound debrider, comprising a liquid supply main unit, the liquid supply main unit is connected with a debriding member through a pipeline, the debriding member includes a handheld part, and a debriding head and a water inlet head are respectively connected to two ends of the handheld part, and it is characterized in that, Further comprising: A water spraying assembly, the water spraying assembly includes a movable member disposed within the debridement head, a guiding member is hermetically and slidably connected within the movable member, one end of the guiding member is fixedly connected with a limiting member, a connecting member is disposed between the guiding member and the limiting member, a first wedge-shaped member is fixedly connected to the outer wall of the movable member, and an annular groove is provided at the inner bottom of the movable member; An adjusting assembly, the adjusting assembly includes a connecting member disposed within the debriding member, one end of the connecting member is fixedly connected with the end of the connecting member extending out of the movable member, and a second wedge-shaped member adapted to the first wedge-shaped member is fixedly connected to the outer wall of the connecting member; The water spraying assembly further includes a fixing ring fixed within the debridement head, a limiting ring is sleeved on the outer wall of the movable member, the movable member is composed of a cylinder and a sphere, a plurality of evenly distributed elastic members are provided between the fixing ring and the limiting ring, a groove adapted to the sphere of the movable member is provided at the water outlet of the debriding head, the sphere of the movable member is in contact with the groove through the elastic members and the limiting ring, a through hole communicating with the movable member is provided within the guiding member, a through hole communicating with the guiding member is opened within the connecting member, and the included angle formed between the spraying port of the debriding head and the hand-held portion is set to be an obtuse angle; The connecting member is composed of a cylinder and a sphere, the guiding member and the limiting member are respectively provided with fitting grooves adapted to the sphere of the connecting member, and the connecting member forms a spherical hinge within the guiding member and the limiting member; The adjusting assembly includes a fixing member fixed within the debriding member, the fixing member is respectively provided with an avoidance hole and a placement hole, a base is fixedly connected within the placement hole, a flexible member is fixedly connected to the end of the base away from the fixing member, the other end of the flexible member is fixedly connected with a bridging member, and the other end of the bridging member is fixedly connected with the connecting member.

2. The wound debrider according to claim 1, wherein, An activity rod is disposed within the avoidance hole, a supporting member is fixedly connected to the end of the fixing member away from the flexible member, the other end of the supporting member is fixedly connected with an adjusting member, a long hole is opened on the side wall of one end of the activity rod located within the connecting member, a connecting hole is opened on the side wall of the other end of the activity rod extending out of the avoidance hole, an avoidance groove is opened on the supporting member, a rotating shaft is disposed within the avoidance groove, the outer wall of the rotating shaft within the avoidance groove is rotatably connected with the inner wall of the avoidance hole, and the outer wall of the activity rod is slidably connected with the inner wall of the avoidance groove.

3. The wound debrider according to claim 2, characterized in that, A communication hole is opened within the adjusting member, a connecting head coaxially disposed with the communication hole is fixedly connected to one end of the adjusting member, a ring groove is opened within the adjusting member, the center of the ring groove is concentric with the rotating shaft, the ring groove communicates with the communication hole, a plugging member is hermetically and slidably connected within the ring groove, and the end of the plugging member extending out of the ring groove is fixedly connected with the outer wall of the activity rod.

4. The wound debrider according to claim 3, characterized in that, An auxiliary member is fixedly connected to the outer wall of the end of the connecting member away from the flexible member, a placement groove is opened at the end of the auxiliary member away from the connecting member, a transfer rod is disposed within the placement groove, the outer wall of the transfer rod within the placement groove is slidably connected with the inner wall of the long hole opened on the activity rod, and the outer wall of the end of the activity rod located within the placement groove is slidably connected with the inner wall of the placement groove.

5. The wound debrider according to claim 4, characterized in that, A water inlet pipe is disposed within the water inlet head, and the water inlet pipe is communicated with the connecting head through a pipeline.

6. The wound debrider according to claim 5, characterized in that, The connecting piece is arranged in an L shape, a channel is arranged inside the connecting piece, the connecting piece and the communicating piece are in mutual communication, and a high-pressure hose is fixedly connected to one end of the connecting piece close to the bridging piece.

7. A wound debrider according to claim 6, characterized in that, The other end of the high-pressure hose respectively penetrates through the bridging piece, the fixing piece, the flexible piece, the base and the supporting piece and is communicated with a communication hole formed in the adjusting piece.

Images