Occlusion detection using pulse-width modulation and medical device incorporating same

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United States of America Patent

PATENT NO 9344024
APP PUB NO 20140055076A1
SERIAL NO

14070193

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Apparatus are provided for motor control systems and related medical devices. In one embodiment, a control system includes a motor having a rotor, a modulation module coupled to the motor, and a control module coupled to the modulation module. The modulation module generates a modulated voltage that is applied to the motor and rotates the rotor to deliver fluid via a fluid path. The control module adjusts a duty cycle of the modulated voltage to achieve a commanded rotation of the rotor and detects an occlusion condition in the fluid path based on the duty cycle.

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Patent Owner(s)

  • MEDTRONIC MINIMED, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Favreau, Jacques L Monrovia, US 10 837

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