Multi-purpose phacoemulsification needle
US6958056B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2002 |
| Grant date | Oct 25, 2005 |
| Priority date | — |
| Expiry date | Sep 20, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/84
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A multipurpose phacoemulsification needle includes a needle body having a lumen therethrough for aspiration of fluids and tissue. A needle body includes a proximal end adapted for attachment to a phacoemulsification handpiece and a tip portion disposed at a distal end of the needle body. The tip portion includes a truncated hemisphere having a flat surface thereon and a port disposed in the flat surface. The truncated hemisphere includes a rounded surface of sufficient area to enable capsule polishing and when driven in an ultrasonic mode, the needle is also suitable for irrigation and aspiration as well as phacoemulsification of lens tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.