Undercut diamond surgical blade and method of using the same
US5376099A · kind A · utility
21Cited by
16References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1993 |
| Grant date | Dec 27, 1994 |
| Priority date | — |
| Expiry date | Oct 20, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/0133
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Surgical blades, knives and keratotomy procedures are provided which are capable of severing deep corneal tissue in the optical zone without penetrating the surface of this zone and causing optical glare. The blades of this invention include at least one cutting edge thereon which is shorter than about 0.5 mm and which includes a projecting cutting portion and/or recessed blunt edge to permit primary or secondary incisions beneath the surface of the optical zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.