Automatic aspiration apparatus
US4052987A · kind A · utility
27Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1976 |
| Grant date | Oct 11, 1977 |
| Priority date | — |
| Expiry date | Apr 1, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/75
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus is disclosed for aspiration of the operative site during open site surgery having automatic controls for responsively venting the aspiration system to atmosphere under certain conditions and for overriding the venting as desired comprising a continuously operating pump for providing suction, an aspiration line connected to the pump, a venting valve and, an aspiration valve in the aspiration line, a vacuum pressure responsive switch connected between the aspiration valve and the pump and a control system embodying activation switches and logic for controlling the operation of the valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.