×

Non-invasive determination of analyte concentration in body of mammals

DC
  • US 5,379,764 A
  • Filed: 12/09/1992
  • Issued: 01/10/1995
  • Est. Priority Date: 12/09/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of non-invasive determination of the concentration of at least one analyte in the blood of a mammal, comprising the steps of:

  • (a) projecting near infrared radiation on a portion of the body of the mammal, said radiation including a plurality of wavelengths;

    (b) sensing the resulting radiation emitted from said portion of the body;

    (c) deriving from the sensed resulting radiation a first expression for the magnitude of said sensed radiation as a function of wavelength of the sensed radiation;

    (d) pretreating said first expression to minimize the influence of instrument offset and drift to obtain a second expression for the magnitude of said sensed radiation as a function of wavelength; and

    (e) performing multivariate analysis of said second expression to obtain a value for the concentration of said analyte.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×