Disposable wound drainage device
US4392860A · kind A · utility
51Cited by
20References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1980 |
| Grant date | Jul 12, 1983 |
| Priority date | — |
| Expiry date | Dec 8, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/684
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for removing fluids from a wound. The device includes a housing having therein an expandable and collapsible passive member which divides the interior of the housing into a first and a second chamber. A vacuum is applied to the second chamber to draw the passive member so as to increase the volume of the first chamber and create a negative pressure therein. Conventional wound tubing connected to the first chamber permits fluids to be drawn from the wound into the first chamber. In one exemplary embodiment a bellows is placed in communication with the second chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.