U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Non-invasive automatic glucose sensor system

Patent 3958560 Issued on May 25, 1976. Estimated Expiration Date: Icon_subject May 25, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3412729

3512517

3638640

3648685

3769961

Inventor

Application

No. 526581 filed on 11/25/1974

US Classes:

600/319, Glucose340/870.28, Via radiant energy beam (via particular energy)356/39, BLOOD ANALYSIS455/100Body attached or connected

Examiners

Primary: Howell, Kyle L.

Attorney, Agent or Firm

International Class

A61B 5/00 (20060101)

Abstract

A unique glucose sensor to determine the glucose level in patients, for example, for use in treating or diagnosing diabetes. The patient's eye is automatically scanned using a source of radiation at one side of the patient's cornea. A sensor located at the other side of the cornea detects the radiation that passed through the cornea. The level of glucose in the bloodstream of the patient is a function of the amount of radiation detected at the other side of the cornea of the patient. The result is transmitted to a remote receiver that is coupled to a readout device to thereby provide non-invasive glucose determinations.

Other References

  • Nature, Vol. 214, June 3, 1967, pp. 986-988
  • California Medicine, June, 1963, Vol. 98, No. 6, pp. 325-327
  • Diabetes, Vol. 21, Suppl. 2, 1972, pp. 703-712
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