Endoscopic surgical apparatus with rotation lock
US5836960A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1997 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Feb 24, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/2946
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical instrument is disclosed for use in a wide variety of roles including grasping, dissecting, clamping, or retracting materials or tissue during surgical procedures performed either in open surgery or within the abdominal cavity. The surgical instrument includes a handle portion, a tubular body portion extending from the handle portion and defining a longitudinal axis, and tool structure associated with a distal portion of the tubular body portion. A rotation assembly is provided for effectuating rotation of the tool structure about the longitudinal axis of the body portion. Rotation locking structure is provided to lock the rotation assembly at a predetermined orientation such that it cannot be rotated with respect to the handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.