Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Trevor John Beckett0
Matthew James Herd0
Philip Walsh0
Tom Moy0
Alexander David Norman0
Ben Alan Askem0
Christian Riva0
Gary Stacey0
...
Date of Patent
May 28, 2019
Patent Application Number
15250724
Date Filed
August 29, 2016
Patent Citations Received
Patent Primary Examiner
Patent 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.
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