Method for manufacturing a tubular medical device
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United States of America Patent
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-
Feb 22, 2000
Issued Date -
N/A
app pub date -
May 14, 1996
filing date -
Sep 5, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
Manufacturing processes for apparatus, including slotted hypotube, for use as a catheter, a guidewire, a catheter sheath for use with catheter introducers or a drug infusion catheter/guidewire are disclosed. The manufacturing process includes creating a pattern of slots or apertures in a flexible metallic tubular member, by processes including but not limited to, electrostatic discharge machining (EDM), chemical milling, ablation and laser cutting. These slots or apertures may be cut completely or partially through the wall of the flexible metallic tubular member. These manufacturing processes may include the additional step of encasing the flexible metallic member such that a fluid tight seal is formed around the periphery of the tubular member.
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