MONITORING THE OPERATING HEALTH OF A FORCE SENSOR IN A FLUID INFUSION DEVICE
First Claim
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1. A device for delivering fluid to a user, the device comprising:
- a housing;
a drive motor assembly in the housing to regulate delivery of fluid by actuating a piston of a fluid reservoir;
a force sensor associated with the drive motor assembly to generate output levels in response to force imparted thereto; and
an electronics module coupled to the force sensor to process the output levels to determine operating health of the force sensor.
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Abstract
A device for delivering fluid to a user includes a housing, a drive motor assembly in the housing, a force sensor, and an electronics module. The drive motor assembly regulates delivery of fluid by actuating a piston of a fluid reservoir, and the force sensor generates output levels in response to force imparted thereto during, for example, fluid delivery operations. The electronics module processes the output levels of the force sensor to assess the operating health of the force sensor, to check for occlusions in the fluid delivery path, and to monitor the seating status of the fluid reservoir.
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Citations
20 Claims
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1. A device for delivering fluid to a user, the device comprising:
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a housing; a drive motor assembly in the housing to regulate delivery of fluid by actuating a piston of a fluid reservoir; a force sensor associated with the drive motor assembly to generate output levels in response to force imparted thereto; and an electronics module coupled to the force sensor to process the output levels to determine operating health of the force sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device for delivering fluid to a user, the device comprising:
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a housing; a drive motor assembly in the housing to regulate delivery of fluid by actuating a piston of a fluid reservoir; a force sensor associated with the drive motor assembly to generate output levels in response to force imparted thereto; and an electronics module coupled to the force sensor to process the output levels to determine if the fluid reservoir is seated within the housing. - View Dependent Claims (11, 12, 13, 14)
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15. A device for delivering fluid to a user, the device comprising:
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a housing; a drive motor assembly in the housing to regulate delivery of fluid by actuating a piston of a fluid reservoir; a force sensor associated with the drive motor assembly to generate output levels in response to force imparted thereto, the force sensor disposed in the housing between the drive motor assembly and a portion of the housing; and an electronics module coupled to the force sensor to process the output levels to determine a rewind force imparted to the force sensor during a rewind operation, wherein the electronics module initiates corrective action when the rewind force is not within a specified range. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification