Negative pressure wound therapy apparatus

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United States of America Patent

PATENT NO 9427505
SERIAL NO

13894323

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
SMITH & NEPHEW PLC15 ADAM STREET LONDON WC2N 6LA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Askem, Ben Alan Brough, GB 74 1546
Beckett, Trevor John Cambridge, GB 12 466
Ferrari, Iacopo Claudio Milan, IT 11 344
Herd, Matthew James Cambridge, GB 10 287
Marshall, Keith Bedfordshire, GB 91 2289
Moy, Tom Norwich, GB 12 415
Norman, Alex David Cambridge, GB 2 109
Riva, Christian Milan, IT 16 348
Stacey, Gary Cambridge, GB 69 2342
Walsh, Philip Bristol, GB 41 819

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