Automatic microkeratome
US6071293A · kind A · utility
Inventor
Key dates
| Filing date | Jul 16, 1999 |
| Grant date | Jun 6, 2000 |
| Priority date | — |
| Expiry date | Jul 16, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/013
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.