Powered surgical tissue cutting instrument having an irrigation system
US9113945B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2013 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Dec 17, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/007
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical tissue cutting instrument comprises a tubular outer member, an inner member rotatably disposed within the outer member and having a cutting element, a handpiece, and an irrigation system. The irrigation system includes an irrigation channel composed of a first irrigation passage within the handpiece and a second irrigation passage within the thickness of the annular wall of the outer member, and a sleeve disposed over a front end of the handpiece and over the outer member adjacent an outlet opening of the second irrigation passage. The sleeve allows communication through the outlet opening of the second irrigation passage and an inlet port of the first passage. The inlet port is connectible with a source of irrigation fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.