Method for manufacturing a medical needle
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United States of America Patent
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Jul 7, 2009
Grant Date -
Mar 3, 2005
app pub date -
Aug 5, 2004
filing date -
Aug 5, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention concerns a method for manufacturing a needle, of the type used in the medical field. This needle is formed by a pulsed laser weld for joining a first portion having a pointed end and a second end having the shape of a tube and for receiving, in a subsequent step, the end of a suture thread. During the welding step, the needle and the incident laser beam are driven in a relative rotational movement whose speed is adjusted such that during the duration of a laser beam pulse, at least one complete revolution is carried out.
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