一种新型腔镜用手术抓钳

Abstract

本实用新型公开了一种新型腔镜用手术抓钳，具有手柄、套管、推动杆和钳头，套管包括第一管体、第二管体和管体固定件，第一管体和第二管体滑动连接，用于调整套管的长度，管体固定件用于固定第一管体和第二管体，推动杆包括第一杆体、第二杆体、弹簧、拉绳和拉绳固定件，弹簧的两端分别连接第一杆体和第二杆体的一端，拉绳的一端与第一杆体固定连接，第二杆体的另一端与手柄连接并伸出手柄，拉绳固定件设置于第二杆体上伸出手柄的一端用于固定拉绳，弹簧始终处于被压缩的状态，松动拉绳固定件，通过拉动或者松动拉绳用于调整推动杆的长度。本实用新型可以根据实际需要调整腔镜用手术抓钳的长度，不需要更换腔镜用手术抓钳。

Claims

1. A new type of surgical forceps for endoscope, having a handle, a sleeve, a push rod and a forceps head, the sleeve is sleeved on the push rod, the handle is arranged at one end of the sleeve and connected with one end of the push rod, the forceps head is arranged at the other end of the push rod, the handle is used to drive the push rod to move in the sleeve, the movement of the push rod drives the forceps head to clamp or release, characterized in that: The sleeve includes a first tube body, a second tube body, and a tube body fixing component. The first tube body and the second tube body are slidably connected for adjusting the length of the sleeve. The tube body fixing component is used to fix the first tube body and the second tube body. The push rod includes a first rod body, a second rod body, a spring, a pull rope, and a pull rope fixing component. The two ends of the spring are respectively connected to one end of the first rod body and one end of the second rod body. One end of the pull rope is fixedly connected to the first rod body, and the other end of the second rod body is connected to the handle and extends out of the handle. The pull rope fixing component is set on the second rod body and extends out of the handle to fix the pull rope. The spring is always in a compressed state. Loosening the pull rope fixing component allows the length of the push rod to be adjusted by pulling or loosening the pull rope. ​ 2. The novel surgical grasping forceps for endoscope according to claim 1, characterized in that: The second rod is a hollow rod. A through groove is provided on the side wall of the second rod away from the first rod so that the pull rope can pass through. The pull rope fixing part is a pull rope fixing nut set on the second rod and threadedly engaged with the second rod. Tightening the pull rope fixing nut is used to loosen or release the pull rope.

3. The novel surgical grasping forceps for endoscope as claimed in claim 1 wherein: One end of the first tube extends into the second tube and can move within the second tube. A tube fixing member is provided on the second tube and is used to fix the first tube and the second tube when the first tube moves relative to the second tube to the desired position.

4. The novel surgical grasping forceps for endoscope according to claim 1, characterized in that: The sleeve also includes a connecting tube, one end of which is fixedly connected to the first tube body, and the other end of which is inserted into the second tube body and can move within the second tube body. A tube body fixing member is provided on the second tube body to fix the connecting tube and the second tube body when the connecting tube moves relative to the second tube body to the desired position.

5. The novel surgical grasping forceps for endoscope according to claim 3 or 4, characterized in that: The tube body fixing component is a tube body fixing nut. The outer surface of the end of the second tube body away from the handle is a conical surface with multiple slots. One end of the tube body fixing nut is a conical hole that matches the conical surface. Tightening the tube body fixing nut causes the end of the second tube body to retract and fix the first and second tube bodies.

6. The novel surgical graspers for endoscopy as claimed in claim 1, wherein: The sleeve also includes a connecting tube, the two ends of which are respectively inserted into the first tube body and the second tube body, and can move within the first tube body and the second tube body. There are two tube body fixing members, which are respectively provided on the first tube body and the second tube body, and are used to fix the connecting tube and the first tube body and the second tube body when the connecting tube moves relative to the first tube body and the second tube body to the required position.

7. The novel surgical graspers for endoscopy as claimed in claim 6 wherein: The pipe fixing component is a pipe fixing nut. The outer surface of the first pipe and the second pipe that are used to connect with the connecting pipe is a conical surface with multiple slots. One end of the pipe fixing nut is a conical hole that matches the conical surface. Tightening the pipe fixing nut causes the ends of the first pipe and the second pipe to retract and clamp the connecting pipe and fix it to the connecting pipe.

8. The novel surgical grasping forceps for endoscope according to claim 4 or 6, characterized in that: The connecting pipe has a first graduation to determine the value for adjusting the sleeve length.

9. The novel surgical graspers for endoscopy as claimed in claim 1, wherein: The jaws of the forceps are provided with a second scale, which is used to determine the size of the free tissue in the use state.

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