Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1990-01-30
1991-12-24
Thaler, Michael H.
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
606159, 606170, A61B 1732
Patent
active
050748416
ABSTRACT:
A cylindrical housing has a plurality of seriate slots. A helical cutter is rotatably mounted within the housing. A drive wire passes through the housing and connects with the cutter to provide rotational movement to the cutter. Plaque is caught between the slots and the blades of the rotating cutter, cut away from the arterial wall, ground up and flushed out through a catheter.
REFERENCES:
patent: 3614953 (1971-10-01), Moss
patent: 4631052 (1986-12-01), Kensey
patent: 4669469 (1987-06-01), Gifford et al.
patent: 4867157 (1989-09-01), McGurk-Burleson et al.
patent: 4921484 (1990-05-01), Hillstead
Ademovic Martin K.
Crew John
Hidalgo Ben
Stertzer Simon H.
Microcision, Inc.
Schatzel Thomas E.
Thaler Michael H.
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