Midcab retractor
US5846193A · kind A · utility
Inventor
Key dates
| Filing date | May 1, 1997 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | May 1, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/0206
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved surgical retractor of the type that comprises a rack and pinion for moving an arm mount which supports the pinion and is moved when the pinion is turned, a hinge connecting the mount to an arm and a blade mount and a fixed arm mounted on the other end of the rack, a hinge connecting the mount to an arm and a blade mount wherein the improvement comprises a pair of opposed blade assemblies mounted on the respective blade mounts, said blade assemblies being so configured and constructed as to permit the respective blades to pivot independently of the blade mount and to be locked at an angle relative to each other and to the rack, is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.