Opposing parallel bladed retractor and method of use
US7455639B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Sep 16, 2005 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Jun 30, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00473
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A retractor is provided for maintaining substantially parallel blade alignment with the longitudinal axis of the retractor during opening and closing the retractor blades. The retractor includes rotatable blade receptacles and hinged blade arms interconnected to rotatable arms for maintaining the alignment of the blades during opening and closing. In addition, the retractor may include interchangeable blades, means for locking the blade position, and means for securing the retractor to a mechanical arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.