Method and apparatus for continuous circular capsulorehexis
US5261923A · kind A · utility
74Cited by
7References
12Claims
0Family size
Inventor
Key dates
| Filing date | Apr 23, 1992 |
| Grant date | Nov 16, 1993 |
| Priority date | — |
| Expiry date | Apr 23, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/00754
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical instrument adapted to pass through a superior limbal incision and fit behind the cornea for making a continuous circular incision about the anterior pole of the lens capsule in extracapsular cataract extractions and phacoemulsification. The surgical instrument includes a rotating blade disposed at one end and adapted to rotate about 360.degree.. The instrument is fixed with respect to the lens capsule by a peg extending from the rotation axis of the blade. A method for making the circular incision is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.