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Volumetric physiological measuring system and method

  • US 6,945,941 B2
  • Filed: 02/28/2002
  • Issued: 09/20/2005
  • Est. Priority Date: 10/30/1998
  • Status: Expired due to Term
First Claim
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1. A device for measuring the changing area within at least one portion of a mammal due to cardiac function, comprising:

  • a. conductive coil means configured tightly about the various circumferences of at least one portion of the mammal;

    b. fixed coil means remotely located relative to the conductive coil means about the mammal; and

    , c. current generating means for selectively providing constant alternating current to either one of the conductive coil means or the fixed coil means to create an induced voltage in the other coil means representative of true area within the coil means that is configured tightly about the various circumferences of the mammal portion or portions, within the signals and area changing over time due to the cardiac function of the mammal, said constant current substantially increasing the accuracy of said measurement system.

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