Retractor illumination system
US8409088B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2007 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | May 5, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/306
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical illumination system includes a retractor having a proximal handle portion and a distal portion adapted for insertion into a surgical field and retraction of body tissue, and a light guide disposed on the retractor, said light guide having a distal surface adapted to face the surgical field when in use in retracting body tissue away from a surgical field, and a proximal aperture adapted to receive light from a light engine or other light source wherein a portion of the distal surface adapted to face the surgical field is faceted with a plurality of facets, ridges, steps or shoulders, wherein the distally oriented surface of said facets, ridges, steps or shoulders are angled relative to the axis of the light guide and the location of the surgical field such that light passing through the light guide is emitted and directed toward the surgical field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.