Etching a substrate: processes – Forming or treating cylindrical or tubular article having...
Patent
1995-05-31
1998-04-21
Breneman, R. Bruce
Etching a substrate: processes
Forming or treating cylindrical or tubular article having...
216 10, 216 56, 216 48, 604264, 128772, B44C 122, C23F 102, A61M 2500
Patent
active
057414297
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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Berry David
Donadio, III James V.
Holmes David R.
Schwartz Robert S.
Adjodha Michael E.
Breneman R. Bruce
Cardia Catheter Company
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