CN218979108U

CN218979108U - Debridement tool bit assembly matched with high-pressure jet device for use

Info

Publication number: CN218979108U
Application number: CN202222971832.0U
Authority: CN
Inventors: 官辉; 李云鹤; 赵文军; 黄小宝; 冯学远; 杨凡; 邓国勤
Original assignee: MIANYANG MEIKE ELECTRONIC EQUIPMENT CO Ltd
Current assignee: MIANYANG MEIKE ELECTRONIC EQUIPMENT CO Ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-05-09
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses a debridement tool bit assembly matched with a high-pressure jet device, which comprises a spray pipe and a recovery pipe matched with the spray pipe, wherein the spray pipe and the recovery pipe are connected into an integrated structure through a matched tool bit shell; the exit section of the spray pipe is spatially configured to be a straight section, and the waste liquid recovery section of the recovery pipe is spatially configured to be bent into a U-shaped or V-shaped structure. The utility model provides a debridement tool bit component matched with a high-pressure jet device, which ensures that the bending angle of a high-pressure jet pipe is small, the end section pipeline is of a straight pipe design, the jet flow is smooth, the flow energy loss is small, and the cutting debridement efficiency is high by optimizing the pipeline.

Description

Debridement tool bit assembly matched with high-pressure jet device for use

Technical Field

The utility model relates to the technical field of medical appliances. More particularly, the present utility model relates to a debridement tool bit assembly for use with high pressure jet devices.

Background

High pressure water flow debridement techniques are a medical modality for clearing up necrotic tissue from traumatic wounds and other soft tissue injuries while preserving healthy tissue and promoting wound healing. The water flow debridement technology utilizes the impact force generated by the high-pressure linear water flow output by the device to cut and flush the wound necrotic tissue to achieve the debridement cutting purpose, and the debridement capacity, the working efficiency and the operation comfort of the device are directly influenced by the flow design of the high-pressure water flow and the structural form of the debridement tool bit.

The prior art is as follows: 201811151413.4 is shown in fig. 11, and has the disadvantages that the spray pipe 6 and the recovery pipe 7 are not of an integrated structure, the complexity of equipment is high, the integration level is insufficient, centralized management and operation are inconvenient, in addition, the tail end of the high-pressure spray pipe bends the high-pressure pipe by 180 degrees, and water flows are emitted from the spray nozzle after 180 degrees in the pipeline before being sprayed, so that fluid energy loss is caused, and the debridement efficiency is affected.

Disclosure of Invention

It is an object of the present utility model to address the above problems and/or disadvantages and to provide advantages which will be described below.

To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a debridement tool bit assembly for use with a high pressure jet device, comprising a nozzle and a recovery tube mated therewith, the nozzle and recovery tube being connected into an integral structure by a mated tool bit housing;

the exit section of the spray pipe is spatially configured to be a straight section, and the waste liquid recovery section of the recovery pipe is spatially configured to be bent into a U-shaped or V-shaped structure;

the cutter head shell is internally provided with a mounting groove matched with the outer structures of the spray pipe and the recovery pipe.

Preferably, the outlet end of the emergent section and the inlet end of the waste liquid recovery section are spatially corresponding to each other so as to spatially construct a cutting debridement treatment area;

the concave surface of the cutter head shell spatially surrounds the debridement treatment area to construct a debridement treatment window;

wherein the lance is spatially located below the recovery tube.

Preferably, the recovery tube is provided with at least one through hole for absorbing water mist and/or splash in the debridement treatment window on the side wall opposite to the debridement treatment window.

Preferably, the through hole is configured to take a circular or elongated shape.

Preferably, the debridement head assembly is spatially at an angle of 10 ° to 70 ° to the debridement surface.

The utility model at least comprises the following beneficial effects: according to the utility model, the high-pressure spray pipe, the recovery pipe and the cutter head structure of the cutter head assembly are designed, so that the spray pipe and the recovery pipe are of an integrated structure, the operation is easy, meanwhile, the bending angle of the high-pressure spray pipe is small, namely, the pipeline of the final-stage jet flow is set to be of a straight-stage structure, the trend of the pipeline is optimized, the high-pressure spray pipe is prevented from being bent at a large angle, the energy loss in the jet flow is further reduced, the cutting debridement efficiency is improved, and the optimal debridement treatment effect is realized.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic view of the external construction of a debridement tool bit assembly of the utility model;

FIG. 2 is a bottom view of the debridement tool bit assembly of the utility model;

FIG. 3 is a bottom view of a debridement tool bit assembly according to another embodiment of the utility model;

FIG. 4 is a schematic view of the head of the debridement tool bit assembly of the utility model;

FIG. 5 is a schematic cross-sectional view of a debridement tool bit assembly of the utility model;

FIG. 6 is a schematic cross-sectional view of a debridement treatment window of the debridement tool bit assembly of the utility model;

FIG. 7 is a schematic view of a second structural aspect of the debridement tool bit assembly of the utility model;

FIG. 8 is a schematic cross-sectional view of a second construction of the debridement head assembly of the utility model;

FIG. 9 is a schematic view of a third structural aspect of the debridement tool bit assembly of the utility model;

FIG. 10 is a schematic cross-sectional view of the waste liquid recovery end of the recovery tube of the debridement tool bit assembly of the utility model bent into a V-configuration;

FIG. 11 is a schematic diagram of the layout structure of a spray pipe and a recovery pipe in the prior art.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It should be noted that, in the description of the present utility model, the orientation or positional relationship indicated by the term is based on the orientation or positional relationship shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, may be communication between two members, and may be understood in a specific manner by those skilled in the art.

Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first and second features, or an indirect contact of the first and second features through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Example 1

The debridement tool bit assembly matched with the high-pressure jet device is structurally shown in figures 1 and 4-9, and comprises a spray pipe 1 (also called a high-pressure spray pipe) and a recovery pipe 2 matched with the spray pipe, and is characterized in that the spray pipe and the recovery pipe are connected into an integrated structure through a matched tool bit shell 3 (also called a tool bit fixing piece);

the exit section of the spray pipe is configured to be a straight section in space, the waste liquid recovery section of the recovery pipe is configured to be bent into a U-shaped or V-shaped structure in space, in the structural layout, the bending angle of the high-pressure spray pipe is small, the pipeline at the tail section is of a straight section structure, the energy loss of the jet flow is reduced, and the cutting debridement efficiency is improved;

the tool bit shell is internally provided with the mounting groove matched with the outer structure of the spray pipe and the recovery pipe, and because the tool bit assembly comprises disposable consumables of the shell, the installation of each part before delivery is more succinct by adopting the structural design, and meanwhile, the integration level between equipment structural parts is higher.

Working principle: in practical application, the tool bit shell 3 is internally provided with a matched pipeline installation channel, the high-pressure spray pipe 1 and the recovery pipe 2 are fixedly arranged in the tool bit shell 3 to jointly form a debridement tool bit assembly, a debridement treatment area is formed between the jet flow outlet 11 of the high-pressure spray pipe and the waste liquid inlet 21 of the recovery pipe, high-pressure linear water flow emitted by the high-pressure spray pipe 1 and the treatment wound surface form a parallel arrangement, the high-pressure spray pipe 1 and the recovery pipe 2 are fixedly positioned through the tool bit shell 3 and are fixedly closed and parallel at the end close to an operating handle, and the bending angle of a tail section pipeline connected with the high-pressure spray pipe is small due to the fact that the tail section pipeline is of a straight pipe design, so that jet flow is smooth in practical application, flow energy loss is small, and debridement efficiency in cutting is high.

Example 2

Embodiment 2, which is a preferred example of the present utility model, has a specific structure as shown in fig. 1, 5, 7-10, and the following modifications are disclosed on the basis of embodiment 1:

the outlet end of the emergent section and the inlet end of the waste liquid recovery section are spatially corresponding to each other so as to spatially construct a cutting debridement treatment area 4;

wherein the lance is spatially located below the recovery tube.

Working principle: the installation position of the waste liquid inlet 21 is matched with the jet outlet 11 of the nozzle at the tail end of the high-pressure jet pipe 1, the relative position is set, the jet and the cut tissue waste liquid are ensured to smoothly flow into the recovery pipe 2 under the action of jet impact force, the tissue waste liquid in the recovery pipe 2 flows into the waste liquid collecting barrel arranged at the tail end of the recovery pipe along the recovery pipe under the action of jet and negative pressure, a cutting debridement treatment area is arranged between the jet outlet 11 and the waste liquid inlet 21 of the recovery pipe, and the high-pressure linear water flow emitted by the high-pressure jet pipe 1 and a treatment wound surface are arranged in parallel. The high-pressure spray pipe 1 and the recovery pipe 2 are fixed in a positioning way through the cutter head shell 3, are folded and parallel at the end close to the operating handle and are fixed together and are connected with the operating handle.

Example 3

Embodiment 3, which is a preferred example of the present utility model, has a specific structure as shown in fig. 1-4 and 7-10, and the following modifications are disclosed on the basis of embodiment 1:

the treatment window 4 is provided with one or more through holes 5 which are communicated with the inner cavity of the recovery tube on the side wall of the recovery tube corresponding to the upper part of the treatment window, and is used for absorbing water mist and splash in the debridement treatment window 4, so that the water mist and splash are avoided from splashing outwards, the positions of the holes are axially arranged along the recovery tube and are positioned right above high-pressure jet flow, the side wall of the recovery tube at the top of the debridement treatment window is provided with one or more through holes for absorbing scattered water mist and cutting splash in the treatment window, debridement efficiency and operation comfort are improved, and in practical application, the through holes can be arranged into a round or strip-shaped structure as required, so that the debridement treatment window has better suitability.

Example 4

Embodiment 4, which is a preferred example of the present utility model, has a specific structure as shown in fig. 5, 8 and 10, and the following modifications are disclosed on the basis of embodiment 1:

the debridement tool bit component and the debridement surface have an included angle of 10-70 degrees in space, namely the included angle between the debridement surface of the tool bit component and the operating handle section is 10-70 degrees

The tool bit angle range of the tool bit is wide, the tool bit with various angles is selected according to the debridement requirements of different parts, so that a more ideal debridement effect is achieved, namely, the tool bit assembly with different included angles can be obtained because the included angle (tool bit angle) between the debridement surface of the tool bit assembly and the operating handle section is set to be between 10 and 70 degrees, and in practical application, debridement tools with different included angles can be selected to be matched with a high-pressure jet device according to the actual debridement requirements, so that the debridement requirements of different parts and different angles are met, and the ideal debridement effect is achieved.

The above embodiments are merely illustrative of a preferred embodiment, but are not limited thereto. In practicing the present utility model, appropriate substitutions and/or modifications may be made according to the needs of the user.

The number of equipment and the scale of processing described herein are intended to simplify the description of the present utility model. Applications, modifications and variations of the present utility model will be readily apparent to those skilled in the art.

Although embodiments of the utility model have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present utility model. Additional modifications will readily occur to those skilled in the art. Therefore, the utility model is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. The debridement tool bit assembly matched with the high-pressure jet device comprises a spray pipe and a recovery pipe matched with the spray pipe, and is characterized in that the spray pipe and the recovery pipe are connected into an integrated structure through a matched tool bit shell;

2. The debridement tool bit assembly for use with a high pressure jet device according to claim 1, wherein an outlet end of the exit section spatially corresponds to an inlet end of the waste fluid recovery section to spatially construct a cutting debridement treatment zone;

wherein the lance is spatially located below the recovery tube.

3. A debridement tool bit assembly for use with a high pressure jet device according to claim 2, wherein the recovery tube is provided with at least one through hole in a side wall opposite the debridement treatment window for absorbing water mist and/or splash within the debridement treatment window.

4. A debridement tool bit assembly for use with a high pressure jet device according to claim 3 wherein the through bore is configured to take a circular or elongated shape.

5. The debridement tool bit assembly for use with a high pressure jet device according to claim 1, wherein the debridement tool bit assembly is spatially angled from 10 ° to 70 ° to the debridement surface.