WO2021072571A1

WO2021072571A1 - Multichannel working trocar

Info

Publication number: WO2021072571A1
Application number: PCT/CN2019/000237
Authority: WO
Inventors: 杨文州; 潘会会
Original assignee: 山东冠龙医疗用品有限公司
Priority date: 2019-10-15
Filing date: 2019-12-06
Publication date: 2021-04-22
Also published as: CN211325227U

Abstract

A multichannel working trocar, comprising a trocar body, a drain provided on the trocar body, and a drain opening (8) provided on the trocar body and in communication with the drain. With the drain provided on the multichannel working trocar, implemented when the trocar is used to inject water into the human body is the draining of water via the drain and the draining of same to a dedicated water-collecting apparatus, thus preventing operations of a surgeon from being affected and the floor from being wet.

Description

Multi-channel working casing

Technical field

The present invention relates to the technical field of medical devices, in particular to a multi-channel working sleeve.

Background technique

Because minimally invasive surgery has the advantages of less trauma, light pain, and quick recovery, the concept of "minimally invasive" has penetrated into various fields of surgery. Minimally invasive surgery refers to the use of laparoscopy, thoracoscopy and other modern medical equipment through multi-channel working cannula and related equipment for surgery.

When the existing multi-channel working sleeve is inserted into the human body to work, blood flows out due to the rupture of blood vessels in the human body. Inserting an endoscope into the multi-channel working sleeve for observation will cause blurred vision and affect the observation. The water injection channel in the middle can keep the mirror surface of the endoscope clean and realize clear observation through water injection.

However, when water is injected into the human body, the injected water often overflows from the multi-channel working sleeve, flows to the hands and the ground of the operator, affects the operation of the doctor, wets the ground, and causes inconvenience.

Therefore, in view of the current situation that the existing multi-channel working casing does not implement special drainage measures, the development of a multi-channel working casing with drainage channels to achieve timely drainage is an urgent problem to be solved.

Summary of the invention

In order to overcome the above-mentioned shortcomings in the prior art, the present invention provides a multi-channel working sleeve with drainage channels to achieve timely drainage, so as to solve the problem that the existing multi-channel working sleeve does not have special drainage measures so that water is injected into the human body. Sometimes it will cause the injected water to overflow from the multi-channel working casing.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is: a multi-channel working casing, comprising a casing body, the casing body is provided with a drainage channel, and the casing body is provided with a drainage channel connected to the drainage channel. Drain. By arranging a drainage channel on the multi-channel working sleeve, it can be realized that when the sleeve is used to inject water into the human body, the water will be discharged through the water injection channel and discharged to the special water collecting device, so as to avoid affecting the doctor's operation and wetting the ground.

Further, the casing body includes a main channel tube, a secondary channel tube, and a cushion block located between the main channel tube and the secondary channel tube, the drainage channel is the main channel tube and the secondary channel tube, the main channel tube and the secondary channel tube are integrally arranged. The channel tube and the auxiliary channel tube are communicated at the rear of the cushion block, and the drainage port is communicated with the main channel tube and the auxiliary channel tube. Drainage is carried out through the main and auxiliary channel pipes, which simplifies the structure and is easy to realize.

Further, the drainage port is arranged on the rear end pipe wall of the main channel pipe and/or the auxiliary channel pipe. The drainage port is arranged at the rear end, so that the distance between the drainage port and the front end of the casing body is greater than the depth of the casing body into the human body, and does not affect the casing into the human body, so that it will be discharged when the water level reaches a certain height.

Further, a drainage nozzle is connected to the drainage port.

Further, the rear part of the cushion block is provided with a gap connecting the main and auxiliary passage pipes, and the gap separates the cushion block into a lower cushion block and an upper partition wall.

Further, a water injection channel is provided in the cushion block, the water outlet of the water injection channel is located at the front end of the lower cushion block, the water inlet of the water injection channel is located in the upper partition wall, and the upper partition wall is provided with Water inlet. Water is injected into the water injection channel through the water injection port.

Further, there are two water injection channels. When the amount of bleeding is heavy, you need to increase the amount of water injection, so that you can quickly rinse off. In addition, increasing the water injection speed can increase the pressure around the water injection port, which can better prevent bleeding. This pressure is to balance the blood vessels in the body. Prevent or reduce bleeding.

Further, a water injection nozzle is connected to the water injection port.

Further, the casing body further includes a handle provided at the rear end of the main and auxiliary channel tubes, and the handle is provided with a main channel tube nozzle communicating with the main channel tube and a secondary channel tube nozzle communicating with the auxiliary channel tube. .

It can be seen from the above technical solutions that the present invention has the following advantages:

By arranging a drainage channel on the multi-channel working sleeve, it can be realized that when the sleeve is used to inject water into the human body, the water will be discharged through the water injection channel and discharged to the special water collecting device, so as to avoid affecting the doctor's operation and wetting the ground. The water injection pressure is reduced by setting two water injection channels.

Description of the drawings

Fig. 1 is a schematic diagram of the structure in a specific embodiment of the present invention.

Fig. 2 is a schematic diagram of the upper part of Fig. 1.

Fig. 3 is a schematic structural view of the upper part of Fig. 1 in section.

In the figure, 1, handle, 2, main channel tube, 3, spacer block, 4, secondary channel tube, 5, water injection nozzle, 6, water injection channel, 7, drain water nozzle, 8, drain port, 9, upper partition Wall, 10, water injection port, 12, gap.

Detailed ways

In order to make the objectives, features, and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings in this specific embodiment. Obviously, the implementation described below The examples are only a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments in this patent, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of this patent.

As shown in Figures 1 and 3, a multi-channel working sleeve includes a sleeve body with a drainage channel provided on the sleeve body, and a drainage port 8 communicating with the drainage channel is provided on the sleeve body. By arranging the water drainage channel on the multi-channel working sleeve, it can be realized that when the sleeve is used to inject water into the human body, the water will be discharged through the water injection channel 6 and discharged to the special water collecting device to avoid affecting the doctor's operation and wetting the ground.

The casing body includes the main channel tube 2, the auxiliary channel tube 4, the cushion block 3 and the handle 1. The main channel tube 2, the cushion block 3 and the auxiliary channel tube 4 are integrated, the auxiliary channel tube 4 is on top, and the main channel tube 2 Below, the spacer 3 is located in the middle of the main channel tube 2 and the auxiliary channel tube 4 for isolation so that the two channels can work independently. The main channel tube 2 is longer than the auxiliary channel tube 4, and the front ends of the main channel tube 2 and the auxiliary channel tube 4 are both Inclined incline upward, the oblique incision of the auxiliary channel tube 4 is located at the rear and upper position of the oblique incision of the main channel tube 2. The oblique incision at the front end of the middle pad 3 and the oblique incision of the auxiliary channel form a smooth oblique incision. A scale line for judging the length of the human body is provided, and a handle 1 is fixedly connected to the cushion block 3 and the rear end of the main and auxiliary channel tubes. The handle 1 is provided with a main channel tube nozzle and a The auxiliary channel tube mouth of the auxiliary channel tube 4 makes the endoscope and the operating instrument extend into the channel without interfering with each other.

Among them, the drainage channel is the main channel tube 2 and the auxiliary channel tube 4, the main channel tube 2 and the auxiliary channel tube 4 are connected at the back of the cushion block 3, and the drain port 8 is connected with the main channel tube 2 and the auxiliary channel tube 4. Specifically, a gap 12 is opened at a certain position at the rear of the cushion block 3. The gap 12 connects the main and auxiliary channel pipes, and the drainage port 8 is arranged behind the main channel pipe 2 and/or the auxiliary channel pipe 4. On the wall of the end pipe, the height of the drain 8 from the front end of the casing is greater than or equal to the height of the gap 12 from the front end of the casing. In this solution, the drain 8 is arranged on the rear side wall of the auxiliary channel pipe 4, and the drain 8 It is higher than the gap 12, so that the water injected into the human body can be discharged from the main and auxiliary channel pipes, that is, when the water level reaches the gap 12 in the main and auxiliary channel pipes, the water in the main and auxiliary channel pipes circulate each other, The water pumping device is connected to the water outlet 8 by setting a water nozzle to realize the drainage of the water in the casing; the gap 12 divides the cushion block 3 into two parts, namely the upper partition wall 9 and the lower cushion block, and the upper partition wall 9 It is a hollow cavity, and two water injection channels 6 are provided in the cushion block 3 to reduce the water injection pressure. The water outlet of the water injection channel 6 is located at the front end of the lower cushion block, and the water inlet of the water injection channel 6 is located in the upper partition wall 9. The upper partition wall 9 is provided with a water injection port 10, and a water injection nozzle 5 is connected to the water injection port 10. It should be noted that the gap 12 avoids the opening of the two water injection channels 6 and will not affect the water injection.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown in this document, but should conform to the widest scope consistent with the principles and novel features disclosed in this document.

Claims

A multi-channel working casing is characterized in that it comprises a casing body, the casing body is provided with a drainage channel, and the casing body is provided with a drainage port (8) communicating with the drainage channel.
The multi-channel working casing according to claim 1, wherein the casing body includes a main channel tube (2), a secondary channel tube (4), and a main channel tube (2) and a secondary channel that are integrally arranged. The spacer (3) between the pipes (4), the drainage channel is the main channel pipe (2) and the auxiliary channel pipe (4), and the main channel pipe (2) and the auxiliary channel pipe (4) are in The rear part of the cushion block (3) is communicated, and the drainage port (8) is communicated with the main channel pipe (2) and the auxiliary channel pipe (4).
The multi-channel working sleeve according to claim 2, characterized in that, the drainage port (8) is arranged on the rear end pipe wall of the main channel pipe (2) and/or the auxiliary channel pipe (4).
The multi-channel working casing according to claim 3, characterized in that a drain nozzle (7) is connected to the drain port (8).
The multi-channel working sleeve according to claim 2, characterized in that a gap (12) connecting the main channel tube (2) and the auxiliary channel tube (4) is opened at the rear of the cushion block (3), The gap (12) divides the cushion block (3) into a lower cushion block and an upper partition wall (9).
The multi-channel working casing according to claim 5, characterized in that a water injection channel (6) is provided in the cushion block (3), and the water outlet of the water injection channel (6) is located at the front end of the lower cushion block, The water inlet of the water injection channel (6) is located in the upper partition wall (9), and the upper partition wall (9) is provided with a water injection port (10).
The multi-channel working casing according to claim 6, characterized in that there are two water injection channels (6).
The multi-channel working casing according to claim 6, characterized in that a water injection nozzle (5) is connected to the water injection port (10).
The multi-channel working casing according to claim 2, characterized in that the casing body further comprises a handle (1) provided at the rear end of the main and auxiliary channel pipes, and the handle (1) is provided with a handle (1) that is connected to the main channel The pipe (2) communicates with the main passage pipe nozzle and the auxiliary passage pipe (4) communicates with the auxiliary passage pipe nozzle.