Surgery – Instruments – Corneal cutter or guide for corneal cutter
Patent
1991-10-09
1994-03-01
Burr, Edgar S.
Surgery
Instruments
Corneal cutter or guide for corneal cutter
606180, A61B 1732
Patent
active
052903010
ABSTRACT:
A cam guided corneal trephine for selectively cutting a portion of an eye is provided herein. The cam-guided corneal trephine comprises a base, a coarse adjusting ring, interchangeable annular ring, interchangeable annular cams operatively supported by the adjusting ring, the annular cams having various inner round diameters or other than round dimensions, and a roller cage assembly adapted to be disposed and rotated within the annular cam, the roller cage assembly having a blade mounting means disposed therein for providing a continuous cut of the corneal tissue corresponding to the inner shape of the selected cam upon rotation of the roller cage assembly.
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Burr Edgar S.
Casella Anthony J.
Hespos Gerald E.
Hilten John S.
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