Step knife

Details Step knife Step knife

1999-08-20

2000-11-21

Buiz, Michael

Surgery

Instruments

Corneal cutter or guide for corneal cutter

606167, A61B 1732

Patent

active

061496618

ABSTRACT:
A step knife for use in eye surgery has a blade which extends a predetermined length beyond a footplate. The blade has a sharpened lower edge and each of the sides have a sharpened portion near the lower edge and an unsharpened portion near the footplate.

REFERENCES:
patent: 1778773 (1930-10-01), Reynolds
patent: 4491132 (1985-01-01), Aikins
patent: 4593133 (1986-06-01), Schmidt
patent: 5201747 (1993-04-01), Mastel
patent: 5336236 (1994-08-01), Nevyas-Wallace
patent: 5391177 (1995-02-01), Schwartz
patent: 5423840 (1995-06-01), Casebeer
patent: 5458610 (1995-10-01), Feaster
patent: 5571124 (1996-11-01), Zelman
patent: 5620453 (1997-04-01), Nallakrishnan
patent: 5662668 (1997-09-01), Kurwa
patent: 5690658 (1997-11-01), McAdams

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