Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1995-05-25
1997-08-05
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
604107, 606108, A61B 1700
Patent
active
056536844
ABSTRACT:
A catheter for use in angioplasty and other medical procedures is disclosed. The catheter features a flexible-wire mesh tip movably attached at a distal end of the catheter, the tip being expandable from a contracted position which it is first in when the catheter is deployed inside the lumen of a vessel, to stretch open the lumen and eliminate a flow obstruction therein, such as is caused by plaque deposits; the tip subsequently being returnable to its contracted position inside the catheter when the catheter is withdrawn from the lumen of the vessel. Radio frequency energy may additionally be used to weld the source of the flow obstruction to the wall of the lumen leaving a conduit of sufficiently expanded diameter to allow resumption of normal flow in the vessel.
REFERENCES:
patent: 5026377 (1991-06-01), Burton et al.
patent: 5037392 (1991-08-01), Hillstead
patent: 5078720 (1992-01-01), Burton et al.
patent: 5178618 (1993-01-01), Kandarpa
patent: 5439446 (1995-08-01), Barry
patent: 5454365 (1995-10-01), Bonutti
patent: 5456667 (1995-10-01), Ham et al.
Laptewicz Joseph E.
Silvestrini Thomas A.
Yurek Matthew T.
Akers Lawrence C.
Jaeger Howard R.
Richardson Peter C.
Schneider (USA) Inc.
Yasko John D.
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