Method of manufacturing treatment instrument of endoscope
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United States of America Patent
Stats
-
Apr 6, 2004
Grant Date -
Feb 14, 2002
app pub date -
Aug 8, 2001
filing date -
Aug 11, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A treatment instrument includes a first coil and a second coil that is different from said first coil. The first and second coils are connected to each other. An operation wire is inserted in the first and second coils, and a tip end of the wire is connected to a treatment device. Upon movement of the wire, the treatment device operates. A method of manufacturing such a treatment instrument includes inserting one end of the first coil and one end of the second coil in a connection pipe from opposite ends thereof, exposing both ends of the connection pipe and corresponding portions of the first and second coils. The portions exposed to the arc columns are melted and connected.
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