CN219126571U

CN219126571U - Surgical instrument with shower type medical water knife

Info

Publication number: CN219126571U
Application number: CN202222961831.8U
Authority: CN
Inventors: 孙光宇; 包全; 吴衍
Original assignee: Shenzhen Haizhuo Kesai Medical Co ltd
Current assignee: Shenzhen Haizhuo Kesai Medical Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-06-06
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to the field of medical devices, and discloses a shower type medical water jet surgical instrument which comprises a nozzle head, a pressure pipe and a return pipe, wherein the nozzle head is connected to one end of the pressure pipe, a containing space is formed in the nozzle head, the containing space is communicated with the pressure pipe, a plurality of spray holes are formed in a first end of the nozzle head, the spray holes are communicated with the containing space, the return pipe is arranged towards the direction of the spray holes, and a working space for cutting human tissues is defined between the nozzle head and the return pipe. The beneficial effects of the utility model are as follows: the compressed high-pressure liquid enters the nozzle head through the pressure pipe, and a plurality of water jet flows are formed through a plurality of jet holes to cut or ablate selected tissues, so that the efficiency of cutting or ablating soft tissues is improved, and the time of surgical treatment is shortened.

Description

Surgical instrument with shower type medical water knife

Technical Field

The utility model relates to the field of medical devices, in particular to a shower type medical water jet surgical instrument.

Background

The medical water knife technology is to cut tissues by utilizing high-pressure water flow, and has the advantages of small wound, less bleeding, high selectivity and the like. Medical water jet has become an important surgical tool in the operation of solid organs, and is widely applied to the surgical operation. Is a novel surgical separation technology with better tissue selectivity by using a medical water knife after a relay knife and an ultrasonic knife.

In medical water jet instruments for cutting and ablating tissue, there is a trend in the development of surgery due to the great advantage that is exerted in minimally invasive surgery. The water jet scalpel is used in spinal column, brain, prostate, light on the wings, chest, heart, nasal sinuses, liver, lung, various joints, gall bladder, kidney, ovary and other organ surgical operations with closed space, time becomes an important parameter for surgical treatment, and for doctors and patients, the shorter the operation time, the smaller the hidden trouble existing in the operation and the safer the operation. Therefore, the effectiveness of the water jet fluid jet is a critical impact indicator for the water jet during the cutting or ablating of selected tissue within the surgical site by the fluid jet.

Based on the above, the design of the pressure tube with multiple spray holes similar to the shower nozzle can improve the efficiency of cutting or ablating soft tissues and shorten the time of surgical treatment.

Disclosure of Invention

The utility model aims at providing a gondola water faucet formula medical water sword surgical instrument, the device adopts the structural design of many orifices, improves the efficiency of tissue cutting.

The purpose of the application is realized through the following technical scheme:

a shower-type medical scalpel surgical instrument comprising: the device comprises a nozzle head, a pressure pipe and a return pipe, wherein the nozzle head is connected to one end of the pressure pipe, a containing space is formed in the nozzle head, and the containing space is communicated with the pressure pipe;

the first end of the nozzle head is provided with a plurality of spray holes, the spray holes are communicated with the accommodating space, the return pipe is arranged towards the direction of the spray holes, and a working space for cutting human tissues is defined between the nozzle head and the return pipe.

In some embodiments of the present application, the nozzle is disposed at one end of the nozzle head near the pressure pipe, and the return pipe is correspondingly disposed at one side of the nozzle.

In some embodiments of the present application, the pressure tube is axially slidably coupled to the return tube, and the size of the working space is adjusted by sliding the pressure tube relative to the return tube.

In some embodiments of the present application, the outer wall of the return tube is provided with an axially extending embedded duct, and the pressure tube is embedded in the embedded duct.

In some embodiments of the present application, the pressure tube has a diameter of 0.5mm to 5mm.

In some embodiments of the present application, the return tube has a diameter of 2mm-12mm.

In some embodiments of the present application, the diameter of the nozzle hole is 0mm-1mm.

The utility model provides a gondola water faucet formula medical water sword surgical instrument, nozzle head and pressure pipe intercommunication for the high-pressure liquid through the pressure pipe entering nozzle head of compression, and be equipped with the structural design similar to gondola water faucet formula of a plurality of orifices on the nozzle head, form the multi-beam water jet through a plurality of orifices and come to cut or ablate selected tissue, because a plurality of water jets act on the target tissue region simultaneously, can improve the efficiency to cutting or ablating of soft tissue in the course of working, shorten the time of operation treatment, the tissue through the water jet cutting is through the back suction of back flow, finally is collected.

Drawings

FIG. 1 is a perspective view of a surgical instrument of the shower-type medical scalpel of the present application;

FIG. 2 is a front view of the surgical instrument of the shower-type medical scalpel of the present application;

FIG. 3 is a cross-sectional view of section A-A of FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 3.

In the figure, 1, a nozzle head; 2. a pressure pipe; 3. a return pipe; 4. an accommodating space; 5. a spray hole; 6. a working space; 7. and the pore canal is embedded.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present application, it should be understood that the terms "upper," "lower," "top," "bottom," and the like as used herein indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-4, an embodiment of the present application provides a shower-type medical scalpel surgical instrument, comprising: the device comprises a nozzle head 1, a pressure pipe 2 and a return pipe 3, wherein the nozzle head 1 is connected to one end of the pressure pipe 2, a containing space 4 is formed in the nozzle head 1, and the containing space 4 is communicated with the pressure pipe 2;

a plurality of spray holes 5 are formed in the first end of the nozzle head 1, the spray holes 5 are communicated with the accommodating space 4, the return pipe 3 is arranged towards the spray holes 5, and a working space 6 for cutting human tissues is defined between the nozzle head 1 and the return pipe 3.

Based on the technical scheme, the utility model provides a gondola water faucet formula medical water sword surgical instrument, nozzle head 1 and pressure pipe 2 intercommunication for through compressed high-pressure liquid through pressure pipe 2 entering nozzle head 1, and be equipped with the structural design similar to gondola water faucet formula of a plurality of orifices 5 on the nozzle head 1, form the multi-beam water jet through a plurality of orifices 5 and come to cut or ablate selected tissue, because a plurality of water jets act on the target tissue region simultaneously, can improve the efficiency of cutting or ablating to soft tissue in the course of the work, shorten the time of operation treatment, the tissue through water jet cutting is through back flow 3 buffering, finally is collected. In addition, the plurality of spray holes 5 can form a structure similar to a shower shape, and can also form uniformly distributed round, square, five-pointed star and other shapes, so that not only can the functions of multiple cutting be realized, but also the shower nozzle is more attractive.

In some embodiments of the present application, as shown in fig. 1, 3 and 4, the nozzle hole 5 is disposed at one end of the nozzle head 1 near the pressure tube 2, and the return tube 3 is correspondingly disposed at one side of the nozzle hole 5. The jet orifice 5 is arranged at one end close to the pressure pipe 2, so that the return pipe 3 is correspondingly arranged at one side of the pressure pipe 2, thus the whole length of the instrument can be reduced, and the inconvenience in operation caused by overlong instrument length is avoided.

In particular, as shown in fig. 1-3, the pressure tube 2 is axially slidably connected to the return tube 3, and the size of the working space 6 is adjusted by the relative sliding of the pressure tube 2 and the return tube 3. The distance between the end part of the return pipe 3 and the nozzle head 1 is adjustable due to the sliding connection of the pressure pipe 2 and the return pipe 3, a more efficient scheme can be selected to cut or ablate the liquid jet on the selected tissue in the surgical treatment process, the effect of secondarily improving the working efficiency of the water jet can be realized, meanwhile, the distance is controllable, the problem of liquid jet sputtering is controlled to a certain extent, and the problem of secondary pollution in the surgical process caused by water jet sputtering is avoided.

More specifically, as shown in fig. 1 and 2, the outer wall of the return pipe 3 is provided with an axially extending embedded duct 7, and the pressure pipe 2 is embedded in the embedded duct 7. The design of the embedded pore canal 7 skillfully realizes the optimization of the space structure, so that the whole instrument is smaller in size and more exquisite in design.

In some embodiments of the present application, the pressure tube 2 has a diameter of 0.5mm to 5mm, as shown in fig. 1. The diameter of the pressure tube 2 is small, and pressurized water jet can easily pass through the pressure tube 2 with the diameter, so that the water jet is ensured to be conveyed and the material of the pressure tube 2 is saved.

In some embodiments of the present application, the return tube 3 has a diameter of 2mm-12mm, as shown in fig. 1. The larger diameter of the return tube 3 makes it possible to better collect the liquid that cuts the tissue and splashes, while at the same time ensuring that the pressure tube 2 can be inserted into the return tube 3.

In some embodiments of the present application, as shown in fig. 1, the diameter of the nozzle hole 5 is 0mm-1mm. The diameter of the spray hole 5 is small, so that the impact force of water jet can be ensured, the water knife can cut off human tissues more easily, and the smooth operation is ensured.

In sum, the utility model provides a gondola water faucet formula medical water sword surgical instrument, nozzle head 1 and pressure pipe 2 intercommunication for through compressed high pressure liquid through pressure pipe 2 entering nozzle head 1, and be equipped with the structural design similar to gondola water faucet formula of a plurality of orifices 5 on the nozzle head 1, form the multi-beam water jet through a plurality of orifices 5 and come to cut or ablate selected tissue, because a plurality of water jets act on the target tissue region simultaneously, can improve the efficiency to cutting or ablating of soft tissue in the course of the work, shorten the time of operation treatment, the tissue through water jet cutting is through back suction of back flow 3, finally be collected.

The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and substitutions will now occur to those skilled in the art without departing from the technical principles of the present application, and these modifications and substitutions should also be considered to be within the scope of the present application.

Claims

1. A shower-type medical scalpel surgical instrument, comprising: the device comprises a nozzle head, a pressure pipe and a return pipe, wherein the nozzle head is connected to one end of the pressure pipe, a containing space is formed in the nozzle head, and the containing space is communicated with the pressure pipe;

2. The surgical instrument according to claim 1, wherein the nozzle is disposed at an end of the nozzle head adjacent to the pressure tube, and the return tube is disposed at a side of the nozzle.

3. The surgical instrument of claim 2, wherein the pressure tube is axially slidably coupled to the return tube, and the size of the working space is adjusted by the relative sliding of the pressure tube and the return tube.

4. The surgical instrument of claim 3, wherein the outer wall of the return tube is provided with an axially extending embedded port, and the pressure tube is embedded in the embedded port.

5. The surgical instrument of any one of claims 1-4, wherein the pressure tube has a diameter of 0.5mm to 5mm.

6. The surgical instrument of any one of claims 1-4, wherein the return tube has a diameter of 2mm-12mm.

7. The surgical instrument of any one of claims 1-4, wherein the orifice has a diameter of 0mm to 1mm.