Negative pressure wound therapy apparatus
US9545465B2 · kind B2 · utility
9Cited by
230References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2013 |
| Grant date | Jan 17, 2017 |
| Priority date | — |
| Expiry date | May 15, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2209/088
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Some embodiments disclosed herein are directed to a pump assembly comprising a voice coil, a magnet and a diaphragm, wherein the voice coil is configured to move the diaphragm to pump a fluid through the pump assembly in response to a drive signal applied to the voice coil. Some embodiments disclosed herein are directed to an apparatus for applying negative pressure to a wound comprising a source of negative pressure configured to be coupled to a dressing, the source of negative comprising a voice coil actuator and a diaphragm, and a controller configured to produce a drive signal for the voice coil actuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.