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Continuous non-invasive sphygmomanometer

  • US 6,669,648 B1
  • Filed: 11/21/2001
  • Issued: 12/30/2003
  • Est. Priority Date: 03/30/1999
  • Status: Expired due to Term
First Claim
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1. A sphygmomanometer for continuous plethysmographic measurement of blood pressure, comprising:

  • at least one inflatable pressure pad which is attachable to a body part containing an artery;

    arterial signal sensors for determining arterial blood flow;

    a valve-controlled pressure chamber connected to a gas source and to the inflatable pressure pad, having a pressure sensor for measuring the pressure in the pressure chamber or in the pressure pad; and

    a computer, with valve control of the pressure chamber dependent on signals of the arterial signal sensors;

    wherein the pressure chamber is fitted respectively with a separate inlet and outlet valves.

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