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System for measuring pulsatile vascular resistance

  • US 7,794,403 B2
  • Filed: 04/21/2005
  • Issued: 09/14/2010
  • Est. Priority Date: 04/21/2004
  • Status: Active Grant
First Claim
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1. A system for the analysis of arterial blood flow velocity measurements comprising means for receiving input signals delivered by an arterial blood flow velocity (FV) sensor and by an arterial blood pressure (BP) sensor, wherein said FV and BP signals are recorded simultaneously and continuously, further comprising means for processing and outputting signals, wherein said processing comprises:

  • synchronization of both signals at start upstroke,a beat-to-beat analysis of the signals, whereby the pulsatile vascular resistance is calculated from the difference in relationship between FV and BP signals during systole compared to diastole.

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