Surgical fluid management system with a dampening chamber
US6595957B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2000 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | Jan 31, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3115
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for controlling the volume of surgical fluid present in a cavity of the body during surgery includes a fluid pump for pumping surgical fluid to the cavity via a conduit. A dampener is disposed between the pump and the cavity, with the dampener receiving the fluid output of the pump and having a pressure sensitive volumetric capacity, therefor such that variations in output volume of the pump are diminished by the dampener, the output of which is directed to the cavity. The dampener may be in the form of a hollow chamber into which surgical fluid flows trapping a selected quantity of gas thereabove with the gas quantity being determined by a vent valve. A hydrophobic filter or a float valve may be employed as the vent valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.