Refractive surgery knife and process

Details Refractive surgery knife and process Refractive surgery knife and process

1993-09-28

1995-10-17

Pellegrino, Stephen C.

Surgery

Instruments

Corneal cutter or guide for corneal cutter

606170, A61B 1732

Patent

active

054586100

ABSTRACT:
The refractive surgery keratotomy knife has a handle with a footplate with an opening for receiving a surgical blade. The footplate is adapted to be placed against the cornea of the eye. The blade is held by a blade support member which can locate the cutting edge of the blade in the opening of the footplate and beyond for forming a radial incision in the cornea of the eye by being pressed directly into the cornea tissue. The cutting edge of the blade is fixed at an acute angle relative to the bottom of the footplate either due to the design of the blade or with the use of an adjusting mechanism of the knife.

REFERENCES:
patent: 4499898 (1985-02-01), Knepshield et al.
patent: 4516575 (1985-05-01), Gerhard et al.
patent: 4526171 (1985-07-01), Schachar
patent: 4534348 (1985-08-01), Fedorov et al.
patent: 4602630 (1986-07-01), Anis
patent: 4619259 (1986-10-01), Graybill et al.
patent: 4768509 (1988-09-01), Grosvenor et al.
patent: 4884569 (1989-12-01), Fedorov et al.
patent: 5201747 (1993-04-01), Mastel
patent: 5219350 (1993-08-01), Emerson

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