Surgical retractor having a lighting unit
US8636658B2 · kind B2 · utility
5Cited by
0References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2012 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Jul 10, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/313
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical retractor includes an outer ring unit, a tubular retraction membrane made of a resilient material and including an inner surface defining a passageway, and a lighting unit. The tubular retraction membrane has an outer tubular end connected to the outer ring unit and rollable about the outer ring unit. The lighting unit is connected to an inner tubular end of the retraction membrane and includes a light-emitting ring, and a heat-dissipation ring in contact with the light-emitting ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.