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Stenosis detection device

  • US 20050203427A1
  • Filed: 03/15/2004
  • Published: 09/15/2005
  • Est. Priority Date: 03/15/2004
  • Status: Abandoned Application
First Claim
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1. A device for determining a peak blood flow signal of a blood flow through at least a section of a selected coronary artery of a beating heart of a mammal, in particular a human being, wherein said device comprises a bioimpedance measuring device, which at least comprises at least two measuring electrodes, an impedance measuring device for measuring an impedance signal Z between a pair of said measuring electrodes, and processing means, which are able to determine a first time-derivative dZ/dt for said measured impedance signal Z, and to separate from said first time-derivative dZ/dt a peak signal PS that occurs first after the beginning of diastole of said heart during a heart beat, and wherein said processing means are able to determine a maximum value MAX of said peak signal PS.

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