Four blade medical retractor
US5400774A · kind A · utility
69Cited by
12References
6Claims
0Family size
Inventors
Key dates
| Filing date | Nov 8, 1993 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | Nov 8, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/0206
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical retractor for holding open a body cavity. A base plate includes a pair of blades mounted and depending therefrom. A second plate is pivotally mounted to the base plate and has a second pair of blades slidably mounted thereto and depending therefrom. One of the blades is fixedly mounted whereas the three remaining blades are slidably mounted to the plates by arms having teeth engaging releasable locks on the plates. The second plate has a flat smooth surface defining the upper boundary of the retractor providing a snag free environment for the surgeon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.