The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 2017
Filed:
May. 15, 2013
Smith & Nephew Plc, London, GB;
Julie Allen, Hull, GB;
Ben Alan Askem, Brough, GB;
Trevor John Beckett, Cambridge, GB;
Ian Binder, Chippenham, GB;
Sarah Jenny Collinson, Hull, GB;
Iacopo Claudio Ferrari, Milan, IT;
Christopher John Fryer, York, GB;
Philip Gowans, York, GB;
John Cowan-Hughes, Bristol, GB;
Matthew James Herd, Cambridge, GB;
Keith Marshall, Bedfordshire, GB;
Steven Carl Mehta, Lincoln, GB;
Tom Moy, Norwich, GB;
Paul Mullen, Bristol, GB;
Derek Nicolini, Hull, GB;
Alexander David Norman, Cambridge, GB;
Neil Pryor, Bristol, GB;
Christian Riva, Milano, GB;
Gary Stacey, Cambridge, GB;
Philip Walsh, Bristol, GB;
Smith & Newphew PLC, , GB;
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.