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Process and device for determining the pulse transit time and extracorporeal hemotherapeutic arrangement with such a device

  • US 6,527,728 B2
  • Filed: 10/19/2001
  • Issued: 03/04/2003
  • Est. Priority Date: 10/19/2000
  • Status: Expired due to Term
First Claim
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1. A process for determining the pulse transit time of a patient or donor, in which a pulse transit time is measured for pulse waves, propagating via the patient'"'"'s or donor'"'"'s vascular system and created by his/her heart contractions, comprising:

  • determining a value, correlating with a blood density; and

    using the value, correlating with the blood density, to calculate, from the pulse transit time measured, a pulse transit time for which an influence of the blood density is compensated.

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