Back to results
US 9,285,324 B2Granted
Sensor for use in a liquid medication delivery system
AssigneeRoche Diabetes Care, Inc.
InventorJames Leuenberger Jockel
Life of this patent
Estimating the term…
Abstract
A sensor for use in a liquid medication delivery system is presented. The sensor has a micro-fluidic chamber comprising a rigid bottom structure, a cover, and an optical detection system that emits one or more light beams toward the cover membrane and to observe the one or more light beams reflected from the cover membrane. The optical detection system is on a side of the bottom structure opposite to the cover membrane.
Claims15
A sensor for use in a liquid medication delivery system, the sensor comprising:
- a micro-fluidic chamber comprising a rigid bottom substrate and a cover, the bottom substrate and the cover defining an inner volume of the chamber, the chamber being connected to a fluidic system through which a liquid medication can be delivered;
- and
- an optical detection system that is configured to emit one or more light beams toward the cover and to observe the one or more light beams reflected from the cover, wherein the cover is a flexible, resilient cover membrane, and the optical detection system is configured to determine a deformation of the cover membrane, and wherein the optical detection system is arranged on a side of the bottom substrate opposite to the cover.
Dependencies are inferred from the claim text.