Patent ID: 9642950
Date: 2017-05-09
CPC Classifications: A61M

Claim:
1. A negative pressure wound therapy apparatus comprising: a negative pressure source configured to provide negative pressure to a wound dressing via a first lumen of a dual lumen conduit and to aspirate fluid from the wound via the first lumen, the dual lumen conduit further comprising a second lumen; a pressure sensor configured to determine a pressure difference between pressures in the first and second lumens; a valve configured to be in fluid communication with the second lumen; and a controller configured to, based on signals received from the pressure sensor, perform at least one of: detect a blockage in the first lumen, clear the blockage in the first lumen, or detect a leakage in a fluid flow path configured to fluidically connect the wound dressing, the negative pressure source, and the dual lumen conduit, wherein the controller is further configured to: