Polymeric implements for torque transmission
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United States of America Patent
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-
Sep 14, 1999
Issued Date -
N/A
app pub date -
Jan 16, 1997
filing date -
Feb 28, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Implements, particularly medical instruments, formed at least in part of elongated polymer members, exhibit high torque fidelity after processing with tension, heat, and twisting. The processing orients the polymer in generally helical paths so that torque imposed at the proximal end can be transmitted to the distal end without substantial whipping, even if the implement follows a long and tortuous pathway. Applications include medical guidewires, catheters, and driveshafts.
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