#$%^&*AU2011224017A120120419.pdf#####MONITORING COMPLIANCE USING VENOUS REFILL DETECTION Abstract Monitoring patient compliance with a compression therapy regimen (10). 5 Venous Refill Time (VRT) is monitored via a pressure sensor in a bladder of a compression system. A controller (26) of the compression system (10) correlates the monitored VRT to a predetermined threshold to determine whether the patient is using the compression system (10).C) 1/14 (NLU' LA Lu LUi 0 LLU LUU =) 0 LUL Iz LOfIZ Iz w LL LJ LUL 0Z 0 A 2ce i I c ceC00U VU IL