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System or Method for Assessing a Subject's Peripheral Blood Circulation

  • US 20070270699A1
  • Filed: 01/10/2005
  • Published: 11/22/2007
  • Est. Priority Date: 01/08/2004
  • Status: Active Grant
First Claim
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1. A system for assessing blood circulation in a subject'"'"'s limb, comprising:

  • detection means for detecting a signal dependent upon the arterial blood volume in a limb of the subject when the subject is in a first posture and also when the subject is in a second posture, different to the first posture; and

    processing means for calculating a quantitative indicator that is dependent upon the ratio of the signal for the first posture to the signal for the second posture.

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