Freely projectable/sinkable valvulotome and freely projectable/s

Details Freely projectable/sinkable valvulotome and freely projectable/s Freely projectable/sinkable valvulotome and freely projectable/s

1995-10-27

1997-04-29

Buiz, Michael Powell

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606171, A61B 1732

Patent

active

056244550

ABSTRACT:
In a valvulotome, when an operating wire is advanced or withdrawn, a pair of arms project from or sink into a sheath, and cutters at the tips or the arms open or close. When the arms are stowed in the sheath, forces causing the two cutters to join change directions sequentially with three pairs of bents of the arms as boundaries. Thus, the blades of the two cutters are stowed in the sheath reliably.

REFERENCES:
patent: 5049154 (1991-09-01), Quadri
patent: 5234450 (1993-08-01), Segalowitz et al.
patent: 5282813 (1994-02-01), Redha
patent: 5304189 (1994-04-01), Goldberg et al.

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