Automatic microkeratome

Details Automatic microkeratome Automatic microkeratome

1999-07-16

2000-06-06

Buiz, Michael

Surgery

Instruments

Corneal cutter or guide for corneal cutter

A61F 900

Patent

active

060712937

ABSTRACT:
An apparatus for transverse planar cutting of cornea to expose a corneal surface to allow correction of myopia, apparatus including a corneal suction ring including a cornea engaging surface on side thereof and microkeratome guide surfaces on an opposite site, the guide surfaces being spaced apart, parallel and extend along opposite site of an aperture arranged for exposing a portion of a cornea, a shift member releasably mounted to an outer wall of the suction ring, a microkeratome including a cutting blade driven by a motor to execute a transverse planar cutting of cornea surface exposed by the cornea suction ring, the microkeratome cutting head having guide surfaces, engaging the corresponding guide surfaces on the cornea suction ring, and an actuator connecting the shift member and the microkeratome for controlling relative movement between the corneal suction ring and the cutting head of the microkeratome.

REFERENCES:
patent: 4796623 (1989-01-01), Krasner et al.
patent: 4840175 (1989-06-01), Peyman
patent: 5496339 (1996-03-01), Koepnick
patent: 5690657 (1997-11-01), Koepnick
patent: 5989272 (1999-11-01), Barron et al.

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