Irrigation/aspiration apparatus
US6780166B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2001 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | Aug 12, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0612
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An irrigation/aspiration apparatus for ophthalmic surgery, includes: an irrigation fluid supplying unit, which supplies irrigation fluid into a patient eye; an aspiration unit provided with a hand piece having an aspiration hole, which aspirates through the aspiration hole a removed tissue along with the irrigation fluid supplied into the patient eye; a pressure sensor which detects vacuum pressure caused by the aspiration unit; and a control unit connected to the irrigation fluid supplying unit and the pressure sensor, which varies at least one of irrigation rate and irrigation pressure by controlling the irrigation fluid supplying unit based on the detected vacuum pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.