CN-224206865-U - Scissor type surgical instrument

CN224206865UCN 224206865 UCN224206865 UCN 224206865UCN-224206865-U

Abstract

The utility model provides a scissor type surgical instrument, which relates to the field of medical instruments and comprises a first part, a second part and a third part, wherein a first working part and a first holding part are respectively formed at two ends of the first part, a second working part and a second holding part are respectively formed at two ends of the second part, the first part and the second part are rotationally connected, the first working part and the second working part are positioned at the same side of a connecting position, the second holding part comprises a first holding cavity and a second holding cavity, the first holding cavity and the second holding cavity are distributed along the extending direction of the second part, the distance between the second holding cavity and the second working part is larger than the distance between the first holding cavity and the second working part, and the first holding part is provided with a third holding cavity. Such scissor surgical instruments can improve operator hand comfort.

Inventors

QIU XUEWEN
XIONG XING
XIAO FAN
FU JINBI

Assignees

武汉半边天医疗技术发展有限公司

Dates

Publication Date: 20260508
Application Date: 20250422

Claims (10)

1. A scissor surgical instrument, the scissor surgical instrument comprising: a first part, wherein two ends of the first part respectively form a first working part and a first holding part; a second part, two ends of which form a second working part and a second holding part respectively; the first part and the second part are rotationally connected, and the first working part and the second working part are positioned on the same side of the connecting position; The second holding part comprises a first holding cavity and a second holding cavity, the first holding cavity and the second holding cavity are distributed along the extending direction of the second part, the distance between the second holding cavity and the second working part is larger than that between the first holding cavity and the second working part, and the first holding part is provided with a third holding cavity.
2. The scissors surgical instrument of claim 1, wherein the second gripping lumen has an opening and the opening is oriented away from a side of the second working portion; Wherein the end of the second holding part is provided with a first blocking wall, and the first blocking wall is positioned at one side close to the first part in the extending direction perpendicular to the second part.
3. The scissors surgical instrument set forth in claim 2 wherein the end of the second grip portion further has a second blocking wall, the second blocking wall being spaced apart from the first blocking wall in a direction perpendicular to the extension of the second portion, and the second blocking wall being located on a side remote from the first portion.
4. The scissors-type surgical instrument of claim 2, characterized in that the scissors-type surgical instrument further comprises: The transducer is fixedly connected with the end part of the second holding part; the sterile protective sleeve is sleeved outside the transducer, and part of the sterile protective sleeve extends into the second holding cavity from the opening.
5. The scissors-type surgical instrument of claim 4, wherein a portion of the first blocking wall surrounding an inner wall surface forming the second gripping lumen has a detent into which the sterile protective sheath end extends.
6. The scissors surgical instrument of claim 5, wherein the detent is located at an end of the first blocking wall proximate the second working portion along the direction of extension of the second portion.
7. The scissors-type surgical instrument of claim 5, wherein the end of the second portion further comprises a positioning protrusion located on a side of the second portion proximate to the first portion in a direction perpendicular to the extension of the second portion.
8. The scissors-type surgical instrument of claim 4, further comprising an energy firing button on an outer surface of the second portion, the energy firing button being located on a side of the second portion remote from the first portion in a direction perpendicular to an extension of the second portion, the energy firing button being located on a side of the first gripping cavity proximate to the second working portion in the direction of the extension of the second portion; The outer surface of the second part comprises an excitation curved surface, the energy excitation button comprises a pressing curved surface for pressing, the energy excitation button is located in an area where the excitation curved surface is located, the pressing curved surface protrudes out of the excitation curved surface, and the pressing curved surface is parallel to the excitation curved surface.
9. The scissors-type surgical instrument of claim 8, wherein the energy activated button comprises a first button and a second button, the first button and the second button being spaced apart, and a pressing surface of the first button having an identification protrusion and/or an identification recess.
10. The scissors surgical instrument of claim 8, wherein the energy firing button comprises a first button and a second button, the first button being spaced apart from the second button along the direction of extension of the second portion or the first button and the second button being spaced apart perpendicular to the direction of extension of the second portion.

Description

Scissor type surgical instrument Technical Field The utility model relates to the field of medical instruments, in particular to a scissor type surgical instrument. Background During surgery, various surgical procedures are performed with a scissors-type surgical instrument, and bleeding from a patient is stopped, illustratively, by scissors-type hemostats, and a patient's lesion is excised, illustratively, by a scissors-type cutting structure. In the operation process, a doctor often needs to hold the scissors-type surgical instrument for a long time, the holding structure of the related surgical instrument is unreasonably arranged, and the hands of the operator can generate uncomfortable feeling when holding for a long time. Disclosure of utility model The utility model provides a scissor type surgical instrument which is used for solving the technical problem of how to improve the hand comfort of an operator when the operator holds the instrument for a long time. The embodiment of the utility model provides a scissor type surgical instrument which comprises a first part, a second part and a second part, wherein a first working part and a first holding part are respectively formed at two ends of the first part, a second working part and a second holding part are respectively formed at two ends of the second part, the first part and the second part are rotationally connected, the first working part and the second working part are positioned at the same side of the connecting position, the second holding part comprises a first holding cavity and a second holding cavity, the first holding cavity and the second holding cavity are distributed along the extending direction of the second part, the distance between the second holding cavity and the second working part is larger than the distance between the first holding cavity and the second working part, and the first holding part is provided with a third holding cavity. In some embodiments, the second gripping chamber has an opening facing away from the second working portion, wherein an end of the second gripping portion has a first blocking wall located on a side proximate to the first portion in a direction perpendicular to the extension of the second portion. In some embodiments, the end of the second grip portion further has a second blocking wall, which is spaced apart from the first blocking wall in a direction perpendicular to the extension direction of the second portion, and which is located at a side away from the first portion. In some embodiments, the scissor type surgical instrument further comprises a transducer fixedly connected with the end of the second holding portion, and a sterile protective sleeve sleeved outside the transducer and part of the sterile protective sleeve extends into the second holding cavity from the opening. In some embodiments, the portion of the first blocking wall that surrounds the inner wall surface forming the second gripping chamber has a locating slot into which the end of the sterile protective sleeve extends. In some embodiments, the positioning groove is located at an end of the first blocking wall near the second working portion along an extending direction of the second portion. In some embodiments, the end of the second portion further comprises a positioning protrusion located on a side of the second portion adjacent to the first portion in a direction perpendicular to the extension of the second portion. In some embodiments, the energy excitation button is positioned on one side of the second part far away from the first part in the extending direction of the second part, and positioned on one side of the first holding cavity close to the second working part in the extending direction of the second part, wherein the outer surface of the second part comprises an excitation curved surface, the energy excitation button comprises a pressing curved surface for pressing in operation, the energy excitation button is positioned in the area where the excitation curved surface is positioned, the pressing curved surface protrudes out of the excitation curved surface, and the pressing curved surface is parallel to the excitation curved surface. In some embodiments, the energy activated buttons include a first button and a second button, the first button and the second button being spaced apart, and the pressing surface of the first button having an identification protrusion and/or an identification recess. In some embodiments, the energy activated buttons include a first button and a second button, the first button being spaced apart from the second button along the direction of extension of the second portion, or the first button and the second button being spaced apart perpendicular to the direction of extension of the second portion. The embodiment of the utility model provides a scissors-type surgical instrument, which comprises a first part, a second part and a third part, wherein the first part is provided with