Hydrodynamic debridement handle
By integrating a thin-film pressure sensor into the hydrodynamic debridement handle, the water jet pressure can be controlled by hand pressure, solving the problem of inconsistent water jet pressure control in existing technologies and achieving more precise debridement and improved patient comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING FIRST HOSPITAL
- Filing Date
- 2024-12-30
- Publication Date
- 2026-04-10
AI Technical Summary
Existing hydrodynamic debridement equipment suffers from inconsistent water jet pressure control via a foot switch when performing fine debridement on small wounds. This results in frequent and inaccurate movements, affecting the debridement effect and patient comfort.
A thin-film pressure sensor is installed on the handle body, and the water jet pressure of the debridement blade is controlled by pressing with the thumb, so as to realize the synchronous change of water jet pressure and hand debridement action.
It improves the accuracy and safety of debridement, reduces pain during the debridement process, and enhances patient satisfaction and compliance.
Smart Images

Figure CN224099748U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of water power debridement medical instrument, especially relates to a water power debridement handle. BACKGROUND
[0002] In the process of clinical wound repair, burn treatment and chronic wound management, debridement is a crucial step, debridement aims to remove necrotic tissue, foreign matter and bacteria on the wound surface, and at the same time protect healthy tissue, provide good conditions for wound healing, if necrotic tissue and contaminants cannot be cleaned up in time, it is easy to cause infection to spread, further cause the wound to worsen, and even cause sepsis and other serious complications.
[0003] Water power debridement technology is a medical debridement method based on high-pressure water flow, which uses pulse or continuous high-pressure water flow, and concentrates the water flow to the wound surface through the handle cutter head, the high-speed water flow carries energy, which can separate the necrotic tissue from the healthy tissue, and at the same time flush the bacteria on the wound surface, achieving the dual effects of debridement and anti-infection.
[0004] The existing water power debridement equipment usually uses a foot switch to control the water flow injection pressure, but when fine debridement is performed on some small area wounds, frequent fine adjustment of the water flow injection pressure is often required, at this time, if the foot switch is used to control the water flow injection pressure, the foot action is frequent, and the foot action and the hand debridement action are not coordinated, and the action amplitude is large. UTILITY MODEL CONTENTS
[0005] In order to solve the problems of the prior art, the utility model provides a water power debridement handle.
[0006] The utility model technical scheme is as follows:
[0007] A water power debridement handle, comprising a handle body, a debridement cutter head is arranged at the front end of the handle body, the debridement cutter head is connected with an external water power debridement system through a high-pressure water pipe and a waste discharge pipe, and the high-pressure water pipe and the waste discharge pipe pass through the inside of the handle body, an annular groove is formed on the outer surface of the handle body, a film pressure sensor is arranged in the annular groove, an elastic rubber sleeve is sleeved at the annular groove, when the hand holds the handle body, the film pressure sensor is correspondingly matched with the thumb of the hand, the film pressure sensor is electrically connected with the external water power debridement system, and the external water power debridement system controls the water flow injection pressure of the debridement cutter head according to the feedback signal of the film pressure sensor.
[0008] As a preferred embodiment of the utility model, a pressing part corresponding to the film pressure sensor is formed on the inner surface of the elastic rubber sleeve, and the pressing part is in a spherical convex structure, so that the pressing force can be better applied to the film pressure sensor.
[0009] As the preferred of the utility model, the elastic rubber sleeve is formed with a pressing groove on the inner surface of the pressing part, so as to improve the pressing elasticity of the pressing part of the elastic rubber sleeve.
[0010] In order to further improve the pressing elasticity of the pressing part of the elastic rubber sleeve, the pressing groove surrounds the pressing part.
[0011] As the preferred of the utility model, the outer surface of the elastic rubber sleeve is provided with a prompt line for indicating the position of the pressing part, so as to facilitate the accurate pressing of the pressing part by the thumb.
[0012] As the preferred of the utility model, the outer surface of the elastic rubber sleeve is provided with a prompt line for indicating the position of the pressing part, so as to facilitate the accurate pressing of the pressing part by the thumb.
[0013] As the preferred of the utility model, the thin film pressure sensor is electrically connected with the external water power debridement system through a signal line, and the signal line, the high-pressure water pipe and the waste discharge pipe jointly form a wire harness structure, so as to facilitate dragging and avoid cable pipeline disorder.
[0014] As the preferred of the utility model, the handle body is formed with a recessed area corresponding to the position of the metacarpophalangeal joint of the hand, and the recessed area on the handle body is beneficial to the hand holding the handle body.
[0015] The utility model has the advantages of:
[0016] The water flow injection pressure of the debridement tool head is adjusted by the hand pressing mode, so that the water flow injection pressure changes with the change of the doctor's hand debridement action, which is beneficial to the fine debridement of the wound surface by the doctor, avoids excessive debridement, improves the debridement accuracy and safety, the debridement process is fast and the pain is small, and the patient satisfaction and compliance are improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is the structure schematic view of the utility model;
[0018] Fig. 2 It is the schematic view of the utility model after removing the elastic rubber sleeve;
[0019] Fig. 3 It is the cross section schematic view of the thin film pressure sensor of the utility model.
[0020] Meaning of reference signs in the drawing:
[0021] 1-handle body, 10-recessed area, 11-annular groove;
[0022] 2-debridement tool head, 3-high-pressure water pipe, 4-waste discharge pipe, 5-thin film pressure sensor;
[0023] 6-elastic rubber sleeve, 61-pressing part, 62-pressing groove, 63-prompting mark;
[0024] 7-wire harness structure. DETAILED DESCRIPTION
[0025] The utility model will be specifically introduced below in combination with the drawings and specific embodiments.
[0026] As Figs. 1-3 shown, the embodiment is a water power debridement handle, including handle body 1, the front end of handle body 1 is provided with debridement cutter head 2, debridement cutter head 2 is connected with external water power debridement system through high-pressure water pipe 3 and waste discharge pipe 4, and high-pressure water pipe 3 and waste discharge pipe 4 pass through inside handle body 1, the salt water after the pressurization of external water power debridement system is transported to the tip of debridement cutter head 2 through high-pressure water pipe 3, external water power debridement system provides negative pressure for waste discharge pipe 4, under the action of negative pressure, the salt water, necrotic tissue and pollutants that debridement cutter head 2 sprays are transported to the proper waste container through waste discharge pipe 4, the outer surface of handle body 1 is formed with annular groove 11, thin film pressure sensor 5 is arranged in annular groove 11, elastic rubber sleeve 6 is sleeved with annular groove 11, when hand holds handle body 1, it is same with the posture of hand holding pen and writing, thin film pressure sensor 5 is correspondingly matched with the thumb of hand, the thumb of hand is used to apply pressing force to thin film pressure sensor 5, thin film pressure sensor 5 is electrically connected with external water power debridement system, and external water power debridement system controls the water flow injection pressure of debridement cutter head 2 according to the feedback signal of thin film pressure sensor 5, when the pressing degree of the thumb of hand increases, the water flow injection pressure increases simultaneously, when the pressing degree of the thumb of hand decreases, the water flow injection pressure decreases simultaneously, so that the water flow injection pressure changes along with the change of the debridement action of the thumb of hand, which is favorable for the doctor to carry out fine debridement on the wound surface, avoids debridement overmuch, improves debridement accuracy and safety, the debridement process is rapid and the pain is small, improves patient satisfaction and compliance.
[0027] In the embodiment, the inner surface of elastic rubber sleeve 6 is formed with pressing part 61 that is correspondingly matched with thin film pressure sensor 5, and the pressing part 61 is in spherical convex structure, so as to better apply pressing force to thin film pressure sensor 5, the inner surface of elastic rubber sleeve 6 around pressing part 61 is formed with pressing groove 62, so as to improve the pressing elasticity of the place where pressing part 61 of elastic rubber sleeve 6 is located, and in order to further improve the pressing elasticity of the place where pressing part 61 of elastic rubber sleeve 6 is located, the pressing groove 62 is designed to surround pressing part 61 in the embodiment.
[0028] The outer surface of elastic rubber sleeve 6 is provided with prompting mark 63 for indicating the position of pressing part 61 in the embodiment, so as to accurately press pressing part 61 with the thumb.
[0029] The convex point structure is arranged on the outer surface of the elastic rubber sleeve 6 (not shown in the figure) to increase the friction when the fingers are gripped and pressed.
[0030] In the embodiment, the thin film pressure sensor 5 is electrically connected with the external hydrodynamic debridement system through a signal line, and the signal line, the high-pressure water pipe 3 and the waste discharge pipe 4 jointly form a wire harness structure 7, so as to facilitate dragging and avoid cable pipeline disorder.
[0031] In order to facilitate hand holding of the handle body 1, the recessed area 10 corresponding to the position of the metacarpophalangeal joint of the hand is formed on the handle body 1.
[0032] In the description of the utility model, it is understood that: the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are all based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the utility model.
[0033] In the description of the utility model, it should be explained that: unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "setting", "forming" should be understood broadly;For example: it can be fixedly connected, set, or detachably connected, set, or adopt an integral structure;It can be mechanically connected, or electrically connected;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements;For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.
[0034] The above embodiments are only used to illustrate the technical scheme of the utility model, and those skilled in the art should understand that the above embodiments do not limit the utility model in any form, and any technical scheme obtained by equivalent replacement or equivalent transformation falls within the protection scope of the utility model.
Claims
1. A hydrodynamic debridement handle characterized by: The handle body is provided with a debridement head at the front end, the debridement head is connected with an external water power debridement system through a high-pressure water pipe and a waste discharge pipe, the high-pressure water pipe and the waste discharge pipe pass through the inside of the handle body, an annular groove is formed on the outer surface of the handle body, a diaphragm pressure sensor is arranged in the annular groove, an elastic rubber sleeve is sleeved at the annular groove, the diaphragm pressure sensor is correspondingly matched with the thumb of the hand when the hand holds the handle body, the diaphragm pressure sensor is electrically connected with the external water power debridement system, and the external water power debridement system controls the water flow injection pressure of the debridement head according to the feedback signal of the diaphragm pressure sensor.
2. A hydrodynamic debridement handle according to claim 1, wherein, The inner surface of the elastic rubber sleeve is formed with a pressing part correspondingly matched with the diaphragm pressure sensor, and the pressing part is in a spherical convex structure.
3. A hydrodynamic debridement handle according to claim 2, wherein, A pressing groove is formed on the inner surface of the elastic rubber sleeve around the pressing part.
4. A hydrodynamic debridement handle according to claim 3, wherein, The pressing groove surrounds the pressing part for one turn.
5. A hydrodynamic debridement handle according to any one of claims 1-4, characterized in that, The outer surface of the elastic rubber sleeve is provided with a prompt line for indicating the position of the pressing part.
6. A hydrodynamic debridement handle according to claim 5, wherein, The outer surface of the elastic rubber sleeve is arrayed with a convex point structure.
7. A hydrodynamic debridement handle according to claim 1, wherein, The diaphragm pressure sensor is electrically connected with the external water power debridement system through a signal line, and the signal line and the high-pressure water pipe and the waste discharge pipe jointly form a wire harness structure.
8. A hydrodynamic debridement handle according to claim 1, wherein, The handle body is formed with a recessed area correspondingly matched with the position of the web space of the hand.