Surgery – Instruments – Blood vessel – duct or teat cutter – scrapper or abrader
Reexamination Certificate
2005-08-09
2005-08-09
Truong, Kevin T. (Department: 3731)
Surgery
Instruments
Blood vessel, duct or teat cutter, scrapper or abrader
Reexamination Certificate
active
06926725
ABSTRACT:
An improvement to a thrombectomy apparatus for breaking up thrombus or other obstructive material in a lumen of a vascular graft or vessel having a wire and flexible sheath relatively movable, wherein the wire is sinuous in configuration and assumes its sinuous configuration when in the deployed configuration and has a straighter configuration in the first configuration. The wire is operatively connected to a motor for rotation of the wire to enable peaks of the sinuous wire to contact a wall of the lumen to break up the thrombus or other obstructive material. The improvement to the thrombectomy apparatus comprises the wire being formed of an inner core formed by a plurality of twisted wires and an outer wire wound directly around the inner core, wherein a distal portion of the outer wire extends distal of the inner core and progressively tapers towards a distal end to form a tapered region.
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“Bacchus Vascular Solera Thrombectomy Catheter Brochure” dated Jan. 4, 2002.
www.rexmedical.com—home page (Jul. 2000).
Cooke David
George Suzanne W.
Lerner David Littenberg Krumholz & Mentlik LLP
Rex Medical, L.P.
Truong Kevin T.
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