Link mechanism unit included in a link mechanism for an endoscop

Details Link mechanism unit included in a link mechanism for an endoscop Link mechanism unit included in a link mechanism for an endoscop

1998-01-26

2000-07-04

Buiz, Michael

Surgery

Instruments

Forceps

A61B 1728

Patent

active

060832401

ABSTRACT:
A link mechanism unit of an endoscopic forceps is assembled by riveting an end of a coupling pin so that the link mechanism can be smoothly moved without unpleasant resistance. A coupling pin insertion hole is opened so as to pass through overlapping links;, and a counterbore is formed in a mouth portion of the coupling pin insertion hole. When the head of a coupling pin passed through the coupling pin insertion hole abuts against the counterbore, the end face of the head of the coupling pin is positioned to be inwardly recessed from an outer open end face of the counterbore.

REFERENCES:
patent: 4669471 (1987-06-01), Hayashi
patent: 5681348 (1997-10-01), Sato

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