Variable force surgical retractor assembly
US6997872B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2002 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | Nov 21, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B90/50
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical retractor assembly for providing a generally constant retracting force at a fixation site on a patient despite possible movements of the fixation site during application of the retracting force. The retractor assembly comprises a support structure engaging element for providing communication between the surgical retractor assembly and a support structure; a retractor guide for receiving a first end of a retracting member, the retractor guide being coupled to the support structure engaging element, wherein the retractor guide is displaceable relative to the support structure engaging element; and a biasing structure that provides the retracting force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.