Venous valve-incising device

Details Venous valve-incising device Venous valve-incising device

1990-06-25

1992-02-11

Rosenbaum, C. Fred

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

604 22, A61B 1732

Patent

active

050872648

ABSTRACT:
A venous valve-incising device is made up of a flexible insertion member having a distal end, a hard tip attached to the distal end of the insertion member, and a coupling member for detachably coupling the hard tip and the distal end of the insertion member together. The hard tip includes a rod portion, and a curved portion curved at a predetermined angle with respect to the axis of the road portion and having a rear edge on which a cutting edge is formed.

REFERENCES:
patent: 4493321 (1985-01-01), Leather
patent: 4497320 (1985-02-01), Nicholson et al.
patent: 4768508 (1988-09-01), Chin et al.
patent: 4952215 (1990-08-01), Ouriel et al.
LeMaibre, In Situ Bypass Grafting, Vascutech, Inc., Andover, Mass., 1987, extracts including pp. 53, 54.

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