Medical device heaters and methods

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9555181
SERIAL NO

14179646

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A medical device having a heater with at least one heating element which has mains voltage applied to it by a heating control unit. The heating control unit includes a monitoring arrangement and a switching arrangement. The monitoring arrangement can recognize the zero crossings of the mains voltage, and the switching arrangement can switch the at least one heating element on or off in the zero crossing. The heating control unit controls the power of the heating by switching on and off of one or more half cycles of the mains AC voltage.

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Patent Owner(s)

  • FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hedmann, Frank L Volkach, DE 12 1063
Sebesta, Sven Schweinfurt, DE 8 149
Wernicke, Ulrich Theres, DE 6 44

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