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US 2019/0167900 A1Published application
Ambulatory infusion device
AssigneeRoche Diabetes Care, Inc.
InventorsKurt Friedli, Michael Deppert, Michael Lambertson, Christian Würtele
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Abstract
Disclosed is an ambulatory infusion device, including a control unit and an electroacoustic transducer. The control unit is configured to operate the electroacoustic transducer as noise emitter or to operate the electroacoustic transducer as noise receiver and to determine from a received noise that is received by the electroacoustic transducer a state of the ambulatory infusion device.
Claims16
An ambulatory infusion device, comprising:
- a) an electroacoustic transducer;
- and
- b) a controller configured to operate the electroacoustic transducer as a noise emitter or as a noise receiver and to determine from a received noise that is received by the electroacoustic transducer a state of the ambulatory infusion device.
A method for operating an electroacoustic transducer that is part of an ambulatory infusion device, the method including:
- a) operating the electroacoustic transducer as a noise emitter to emit an emitted noise;
- or
- b) operating the electroacoustic transducer as a noise receiver and determining a functional state of the ambulatory infusion device from a received noise that is received by the electroacoustic transducer.
Dependencies are inferred from the claim text.