Intra-artery obstruction clearing apparatus and methods

Details Intra-artery obstruction clearing apparatus and methods Intra-artery obstruction clearing apparatus and methods

1995-03-10

1997-07-01

Tucker, Guy V.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606170, 606180, 604 22, A61B 1732

Patent

active

056432976

ABSTRACT:
Disposable intra-arterial augering and dottering instruments for use in patients in clearing pathways at obstructed or nearly obstructed arterial sites are disclosed. A number of augering tips used on the instruments are disclosed along with a method for releasibly affixing augering tips to the instruments. In addition, a dottering tip is disclosed for use in procedures where it is desired to open a pathway without excising material from the obstructed site. A combined augering and dottering tip is disclosed for a procedure in which material displacement followed by excising of material from within an artery is accomplished without removal of the combined augering and dottering tip until the procedure is complete.

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