Vein valve cutting method

Details Vein valve cutting method Vein valve cutting method

1987-10-19

1988-09-06

Thaler, Michael H.

Surgery

Truss

Pad

604 22, A61B 1732

Patent

active

047685085

ABSTRACT:
A cutter for the in-situ cutting of valves within a vein. The cutter comprises a catheter having cutter fingers extending from its open distal end in an annular pattern. A sheath is selectively extensible over the fingers to shield them from inadvertent contact with the vein being treated. A fiberoptic viewer extends through the catheter to view through its open distal end.

REFERENCES:
patent: 3837345 (1974-09-01), Matar
patent: 4002169 (1977-01-01), Cupler
patent: 4207874 (1980-06-01), Choy
patent: 4427014 (1984-04-01), Bel et al.
patent: 4631052 (1986-12-01), Kensey
patent: 4655217 (1987-04-01), Reed

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