Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1996-10-29
1998-05-26
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
128658, A61M 2500
Patent
active
057557047
ABSTRACT:
An apparatus and method of making a thinwall guide catheter useful in delivery of therapeutic devices through a body vessel. The method comprises braiding a flat wire over the surface of a cylindrical core, placing a heat bondable polymer tube over the braid, surrounding the polymer tube with a heat shrink sleeve, heating the assembly to a temperature and for a time period sufficient to expand the core into braid interstices and bond the polymer tube to substantially only the outer surface of the braid and finally removing the heat shrink sleeve and core. The resulting guide catheter has approximately half the wall thickness of prior guide catheters and has excellent column stiffness and kink resistance.
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Brin David S.
Medtronic Inc.
Patton Harold R.
Plunkett Dianne M.F.
Yasko John D.
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