Reduced friction vitrectomy probe
US9101442B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 28, 2011 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Mar 14, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/00763
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A vitrectomy probe includes a housing, a fluidic motor disposed within the housing, a needle extending from the housing, and a cutter assembly. The cutter assembly includes an inner cutting member disposed within and axially moveable relative to the needle, a drive shaft disposed within the housing and axially moveable relative to the housing, and a coupler disposed within the housing coupling the drive shaft and the inner cutting member. The motor is associated with the drive shaft in a manner that drives the cutter assembly in an oscillating manner. The probe also includes two or fewer seals within the housing in contact with the cutter assembly for sealing against fluid leakage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.