Hydraulically operated surgical instrument
US4848338A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1988 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Jun 20, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/2944
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A hydraulically operated surgical instrument comprising a jaw assembly including a hollow tubular outer elongate member with a first jaw member fixed to and generally radially projecting from its first end; and an inner elongated member within and extending from the first end of the outer elongate member and having a second jaw member fixed to and generally radially projecting from its end adjacent the first jaw member. The jaw assembly is mounted on a frame of the instrument with the first and second jaw members in opposed relationship and can be manually rotated about its axis relative to the frame and releasably locked in a desired position. Manual squeezing of a trigger causes movement of the jaw members between open and closed positions through a hydraulic system which limits the maximum pressure that can be applied between the jaw members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.