Patent ID: 9480793
Filing Date: 2016-11-01
CPC Classification: A61M,G01L

Claim Text:
1. An occlusion sensor system for an infusion pump system including a reusable controller device removably attachable to a disposable pump device, the occlusion sensor system comprising: a light emitter and a light sensor in electrical communication with control circuitry of a reusable controller device; and a light transmissive member aligned with the light emitter and the light sensor when the reusable controller device is removably attached to a disposable single-use pump device; wherein the light sensor receives light from the light emitter that undergoes total internal reflection within the light transmissive member; and comprising a flexible membrane arranged in the disposable single-use pump device, the flexible membrane spaced apart from the light transmissive member by a cavity when in a first operative position.