CN113598980A

CN113598980A - Cleaning tool with injection function ESD electrotome

Info

Publication number: CN113598980A
Application number: CN202110887023.9A
Authority: CN
Inventors: 朴学哲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-11-05

Abstract

The invention discloses a cleaning tool with an ESD (electro-static discharge) electrotome with an injection function, which comprises an inner needle, a sleeve and a return spring, wherein the sleeve is sleeved outside the inner needle; the front end of the inner needle is provided with a needle point, the rear part of the inner needle is provided with a driving rod, the middle position of the driving rod is provided with a clamping ring, the tail end of the driving rod is provided with a pressing part, and a transition part is arranged between the tail end of the needle point and the driving rod; the sleeve front end is equipped with ESD electrotome insertion groove and holds the chamber that holds of interior needle, and ESD electrotome insertion groove bottom intermediate position is equipped with the pinhole, and interior needle is located and is held the intracavity, and the joint ring slides and plays spacing effect holding the intracavity, and reset spring promotes interior needle and moves to keeping away from ESD electrotome insertion groove direction. The invention has simple operation and can greatly save the operation time. And when the injection hole is dredged, the electrotome and the injection hole are effectively protected and prevented from being damaged. In the process of dredging the electrotome, the inner needle is positioned in the sleeve in the whole process, so that medical personnel can not be punctured, and secondary infection is avoided.

Description

Cleaning tool with injection function ESD electrotome

Technical Field

The invention relates to the field of medical instruments, in particular to a cleaning tool with an ESD (electro-static discharge) electrotome with an injection function.

Background

With the development of the ESD (high frequency) electrotome technology and the demand of the ESD endoscopic surgery, the ESD electrotome has a structure with an injection function.

The novel ESD electrotome with injection function has 3 kinds of injection modes: injection around the knife handle, injection through injection holes beside the knife handle and injection through injection holes in the center of the knife head. The surgical instrument can effectively reduce frequent replacement of the surgical instrument and greatly shorten the surgical time. However, the ESD knife with injection function has a great disadvantage that adhesion of cauterized tissue and blockage of injection hole are easy to occur when cutting tissue.

In the prior art, the injection hole of the ESD electrotome injected into the central injection hole of the tool bit is blocked by increasing the injection pressure, pushing out the blocking substances by the pressure or directly poking the blocking substances into the injection hole by using a fine needle, and dredging the injection hole. The method of increasing injection pressure can result in ejection of the drug, wasting the drug and contaminating the operating room environment; the method of directly dredging with the fine needle has the risk of puncturing fingers or causing 2 times of infection because the needle head of the fine needle is exposed outside. Also, since the injection hole is small, it is difficult to align the injection hole using a fine needle, thereby resulting in an extended operation time.

Disclosure of Invention

The invention aims to overcome the problems and provides a cleaning tool with an ESD (electro-static discharge) electric knife with an injection function. In order to achieve the purpose, the invention adopts the following technical scheme:

a cleaning tool with an injection function ESD electrotome comprises an inner needle, a sleeve and a return spring, wherein the sleeve is sleeved on the outer side of the inner needle;

the front end of the inner needle is provided with a needle point, the rear part of the inner needle is provided with a driving rod, the middle position of the driving rod is provided with a clamping ring, the tail end of the driving rod is provided with a pressing part, and a transition part is arranged between the tail end of the needle point and the driving rod;

the sleeve front end is equipped with ESD electrotome insertion groove and holds the chamber that holds of interior needle, ESD electrotome insertion groove bottom intermediate position is equipped with the pinhole, interior needle is located and is held the intracavity, the joint ring slides and plays limiting effect holding the intracavity, reset spring promotes interior needle and moves to keeping away from ESD electrotome insertion groove direction.

As an improvement, the front end of the transition part is conical.

As an improvement, the front end of the ESD electrotome insertion groove is provided with a round angle which is convenient for the ESD electrotome to be inserted.

As an improvement, the needle point penetrates through the needle hole, the pressing part is pressed, and the needle point penetrates out of the needle hole and extends into the ESD electrotome insertion groove.

As an improvement, the inner diameter of the ESD electrotome insertion groove is equal to the outer diameter of the ESD electrotome, and a central injection hole of the ESD electrotome extending to the inside of the ESD electrotome insertion groove is aligned with the pinhole.

The invention has the advantages that:

after the ESD electrotome is inserted into the ESD electrotome insertion groove, the injection hole of the ESD electrotome can be quickly positioned. Then, the injection hole of the ESD electrotome is dredged by pressing the inner needle.

The invention has simple operation and can greatly save the operation time. And when the injection hole is dredged, the electrotome and the injection hole are effectively protected and prevented from being damaged. In the process of dredging the electrotome, the inner needle is positioned in the sleeve in the whole process, so that medical personnel can not be punctured, and secondary infection is avoided.

Drawings

FIG. 1 is a schematic view showing a structure of a cleaning tool having an ESD knife with an injection function according to embodiment 1;

FIG. 2 is a view showing the construction of an inner needle in a cleaning tool having an ESD knife with an injection function according to embodiment 1;

FIG. 3 is a cross-sectional view of a sleeve of a cleaning tool having an ESD knife with an injection function according to embodiment 1;

FIG. 4 is a sectional view of a cleaning tool having an ESD knife with an injection function according to embodiment 1;

fig. 5 is a schematic diagram illustrating the operation of a cleaning tool with an ESD knife having an injection function according to embodiment 1.

Labeled as:

1-inner needle, 11-needle point, 12-driving rod, 13-clamping ring, 14-pressing part, 15-transition part, 2-sleeve, 21-ESD electrotome insertion groove, 22-containing cavity, 23-needle hole, 24-fillet, 3-reset spring, 4-ESD electrotome and 5-injection hole.

Detailed Description

The present invention will be described in detail and specifically with reference to the following examples so as to facilitate the understanding of the present invention, but the following examples do not limit the scope of the present invention.

Example 1

The embodiment discloses a cleaning tool with an ESD (electro-static discharge) electrotome with an injection function, which comprises an inner needle 1, a sleeve 2 and a return spring 3. The sleeve 2 is arranged outside the inner needle 1.

The front end of the inner needle 1 is provided with a needle point 11, the rear part is provided with a driving rod 12, the middle position of the driving rod 12 is provided with a clamping ring 13, and the tail end is provided with a pressing part 14. The transition part 15 is arranged at the joint of the end of the needle tip 11 and the driving rod 12. The front end of the transition part 15 is conical.

The sleeve 2 is provided at a front end thereof with an ESD knife insertion groove 21 and a receiving chamber 22 for receiving the inner needle 1. A pinhole 23 is arranged at the middle position of the bottom of the ESD electrotome insertion groove 21. The inner needle 1 is arranged in the cavity 22, and the clamping ring 13 slides in the cavity 22 and has a limiting effect. Needle tip 11 passes through needle hole 23. Pressing portion 14 is pressed, and needle tip 11 is pierced from needle hole 23 and extended into ESD knife insertion groove 21. The reset spring pushes the inner needle to move towards the direction far away from the ESD electrotome insertion groove.

The front end of the ESD knife insertion groove 21 is provided with a round corner 24 for facilitating the insertion of the ESD knife 4. The inner diameter of the ESD blade insertion groove 21 is equal to the outer diameter of the ESD blade 4.

As shown in fig. 5, since the injection hole 5 is located at the center of the ESD knife 4, after the ESD knife 4 is inserted into the ESD knife insertion slot 21, the needle hole 23 is automatically aligned with the injection hole 5, and the injection hole 5 is retracted into the ESD knife 4, and then the needle tip 11 can be quickly used to dredge the injection hole 5 by pressing the pressing portion 14. After use, the return spring 3 returns the inner needle 1.

The embodiments of the present invention have been described in detail above, but they are merely exemplary, and the present invention is not equivalent to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, it is intended that all equivalent alterations and modifications be included within the scope of the invention, without departing from the spirit and scope of the invention.

Claims

1. A cleaning tool with an ESD electrotome with an injection function is characterized by comprising an inner needle, a sleeve and a return spring, wherein the sleeve is sleeved on the outer side of the inner needle;

2. The ESD knife cleaning tool of claim 1, wherein the transition portion is tapered at the forward end.

3. The ESD knife cleaning tool with injection function according to claim 1, wherein the front end of the ESD knife insertion slot is provided with a rounded corner for facilitating insertion of the ESD knife.

4. The ESD knife cleaning tool with injection function according to claim 1, wherein the needle point penetrates through the needle hole, and the pressing portion is pressed, and the needle point penetrates through the needle hole and extends into the ESD knife insertion groove.

5. The ESD knife cleaning tool with injection function according to claim 1, wherein the inner diameter of the ESD knife insertion slot is equal to the outer diameter of the ESD knife, such that the central injection hole of the ESD knife extending to the inside of the ESD knife insertion slot is aligned with the needle hole.