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Patent Searching and Data


Title:
FORMATION OF MEDICAL SUTURE NEEDLE
Document Type and Number:
Japanese Patent JP04147734
Kind Code:
A
Abstract:

PURPOSE: To continuously form suture needles from a metal plate by passing a needle stock of metallic band plate through prescribed working stages with press dies as the needle stock is transferred at a fixed pitch.

CONSTITUTION: As the needle stock A of metallic band plate is transferred at a fixed pitch, punching of needle stock, chamfering of the needle stock, pointing of the tip point, needle point working, needle root crushing, drilling and separation are carried out in sequence to conduct continuous formation from a metal plate of suture needles used in the operations of general surgery, formation, gynecology, ophathalmology, etc. In this way, it is possible to obtain products free from dispersion and fixed in dimensional accuracy and to automate polishing of the needle point at the following stage.


Inventors:
Matsuda, Mitsuyoshi
Application Number:
JP1990000271419
Publication Date:
May 21, 1992
Filing Date:
October 09, 1990
Export Citation:
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Assignee:
MATSUDA IKA KOGYO KK
International Classes:
A61B17/06; B21G1/02; (IPC1-7): A61B17/06; B21G1/02