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Method and apparatus for ratiometric measurement of hematocrit

  • US 5,869,971 A
  • Filed: 05/17/1996
  • Issued: 02/09/1999
  • Est. Priority Date: 05/17/1996
  • Status: Expired due to Fees
First Claim
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1. A circuit for measuring the conductivity of a blood sample, the circuit including:

  • a. a first and second connection point, each connection point being configured to be coupled to a blood conductivity sensor and the second connection point also being configured to be coupled to a drive signal source;

    b. a half-wave rectifier coupled to the first connection point; and

    c. an integrator coupled to the output of the half-wave rectifier.

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