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Non-invasive blood analyzer

  • US 5,974,338 A
  • Filed: 04/15/1998
  • Issued: 10/26/1999
  • Est. Priority Date: 04/15/1997
  • Status: Expired due to Term
First Claim
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1. A non-invasive blood analyzer comprising:

  • image capturing means for capturing an image of a portion of a living body irradiated by light, the portion including a blood vessel; and

    analyzing means for extracting a position of a feature within a captured image of the living body to determine a specified analysis region,wherein the image capturing means sequentially captures images of the irradiated portion of the living body a plurality of times, and the analyzing means compares an extracted position of the feature within a first captured image to an extracted position of the feature within a sequentially captured image to determine the specified analysis region, and calculates blood information from a blood vessel in the specified analysis region.

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