Surgery – Instruments – Blood vessel – duct or teat cutter – scrapper or abrader
Patent
1997-08-14
2000-09-05
Buiz, Michael
Surgery
Instruments
Blood vessel, duct or teat cutter, scrapper or abrader
A61B 1722
Patent
active
061136131
ABSTRACT:
A catheter device for use in a biological conduit includes a catheter body having a proximal end and a distal end, a housing connected to the distal end of the catheter body, the housing including a window for invaginating biological tissue and a work element movably attached to operate within the housing, the window exposing the work element. A cage member is attached to the housing and partially covers the window, the cage member permitting a selective invagination of biological tissue therethrough into the window. When the catheter device is inserted in the biological conduit, the cage member selectively controls an invagination of tissue within the catheter device while preventing invagination of any stent material or invagination of walls of the biological conduit.
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patent: 4631052 (1986-12-01), Kensey
patent: 4669469 (1987-06-01), Gifford, III et al.
patent: 4867157 (1989-09-01), McGurk-Burleson et al.
patent: 4921484 (1990-05-01), Hillstead
patent: 4979951 (1990-12-01), Simpson
patent: 5071425 (1991-12-01), Gifford, III et al.
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Bui Vy Q.
Buiz Michael
Guidant Corporation
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