Over the wire scapel

Details Over the wire scapel Over the wire scapel

1997-10-23

1998-12-01

Buiz, Michael Powell

Surgery

Instruments

Cutting, puncturing or piercing

606167, 606190, 606185, 604164, 604168, 604247, A61B 1732

Patent

active

058431080

ABSTRACT:
An over the wire scalpel for performing a dermatotomy that produces a skin nick features a triangular shaped blade with a pair of cutting edges that meet to define a tip. The blade is connected to a handle and a central lumen passes through both. The leading opening of the lumen is positioned at the blade tip so that it is symmetrically abutted by the cutting edges. A blocker that limits the depth of blade travel is positioned upon the handle adjacent to the blade. A stylus may be placed within the central lumen so that the scalpel may be used without a guidewire or with a guidewire that has a diameter significantly smaller than that of the central lumen.

REFERENCES:
patent: 4468224 (1984-08-01), Enzmann
patent: 4633860 (1987-01-01), Korth et al.
patent: 4955890 (1990-09-01), Yamamoto et al.
patent: 5026384 (1991-06-01), Farr et al.
patent: 5242410 (1993-09-01), Melker
patent: 5295969 (1994-03-01), Fischell et al.

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