Arthroscopic cutter having curved rotatable drive
US5437630A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1994 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Sep 27, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/007
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A powered rotatable surgical tissue working tool for chucking in a powered rotating surgical handpiece includes a tubular elongate outer member having a distal tip portion angled off the central axis of the proximal portion of such tubular outer member, by reason of a angled portion therebetween. A rotatable elongate inner member extends coaxially and rotatably within the tubular outer member and has a rotatably drivable proximal portion, a distal tip portion for tissue working interaction with the distal tip portion of the outer member, and a flexibly bendable portion therebetween rotatably housed within the angled portion of the outer member. An annular space between the inner and outer member communicates between the distal tip portions thereof and the handpiece for permitting suction withdraw of flowable materials from a surgical site axially through such annular space and to a suction source. The annular space is maintained between the flexible portion of the inner member and the angled portion of the outer member despite rotation of the inner member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.