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Bioimpedance measurement using controller-switched current injection and multiplexer selected electrode connection

  • US 20040171961A1
  • Filed: 11/28/2003
  • Published: 09/02/2004
  • Est. Priority Date: 11/27/2002
  • Status: Active Grant
First Claim
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1. A system for measuring a voltage in a body part, the system comprising a multiplexing unit;

  • N body leads for electrically connecting the multiplexing unit to the body part; and

    a controller switching unit for allowing a current to flow through the body part between two body leads, n1 and n2 of the N body leads, and a resultant voltage to be measured between two body leads, n3 and n4 of the N body leads, where n1

    n2 and n3

    n4, but where n1 n2 n3 and n4 need not otherwise be distinct.

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