Surgical retractor
US4889107A · kind A · utility
Inventor
Key dates
| Filing date | Feb 10, 1988 |
| Grant date | Dec 26, 1989 |
| Priority date | — |
| Expiry date | Feb 10, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/44
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical retractor including a barrier member forming a surgical dam for retaining viscera in an abdominal cavity during surgery and which is substantially nonabsorbant and is capable of being bent to a selected configuration and also including a core member enclosed within the barrier member that is capable of retaining the barrier member at the selected configuration. The barrier member is made of a flexible material such as foam plastic and has a cover made of a material impermeable to the passage of blood. The core member is preferably made of a metal capable of being bent to the plurality of selected configurations and being capable of retaining the selected configuration against the pressure of the viscera in the abdominal cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.