JPS612208U

JPS612208U - surgical knife

Info

Publication number: JPS612208U
Application number: JP8603884U
Authority: JP
Inventors: 英明小峰; 光男長谷川
Original assignee: 狭山精密工業株式会社
Priority date: 1984-06-08
Filing date: 1984-06-08
Publication date: 1986-01-08

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の切刃を露出した状態の斜視図、第２図
は本考案の切刃を露出した際の断面図、第３図は本考案
の切刃を収納した状態の斜視図、第４図は第３図におけ
るＡＢＭ面図、第５図は従来の手術刀の切刃を露出した
際の斜視図、第６図は従来の手術刀の切刃を収納した際
の断面図である。１・・・切刃、２・・・挾着部、３・・・筒管。Figure 1 is a perspective view of the cutting blade of the present invention in an exposed state, Figure 2 is a sectional view of the cutting blade of the present invention in an exposed state, and Figure 3 is a perspective view of the cutting blade of the present invention in a retracted state. , Fig. 4 is an ABM view in Fig. 3, Fig. 5 is a perspective view of the conventional surgical knife with the cutting blade exposed, and Fig. 6 is a sectional view of the conventional surgical knife with the cutting blade retracted. It is. 1... Cutting blade, 2... Clamping part, 3... Cylindrical pipe.

Claims

[Scope of utility model registration request]

A shaft is formed with different diameters in the center, a clamping part is screwed into the tip of the thin part of the shaft, and a stopper and a spring are inserted between the tip of the clamping part and the screw-fitting part. ,, one end of the spring is hooked to the threaded part, the other end is crimped to a stopper, the stopper holds the tip of the clamping part on its outer periphery, and a cutting blade is attached to the tip of the clamping part. A stepped portion is provided in the center of the thick portion of the shaft, a locking portion is formed in the stepped portion, a spring is fitted around the outer periphery of the thin portion of the shaft, and one end of the spring is is locked at the different diameter part at the center of the shaft, and the other end is crimped to the conduit,
The conduit is formed with both ends open, a cylindrical tube with both ends open is fitted around the outer periphery of the shaft, the cylindrical tube and the conduit are fixed, and the shaft is attached to the center of the cylindrical tube. A surgical knife characterized in that a locking hole communicating with the stepped portion is provided, and a clip having one end protruding from the locking hole is fixed to the cylindrical tube.