CA2373860A1 - Method and apparatus for non-invasive blood analyte measurement - Google Patents
Method and apparatus for non-invasive blood analyte measurement Download PDFInfo
- Publication number
- CA2373860A1 CA2373860A1 CA002373860A CA2373860A CA2373860A1 CA 2373860 A1 CA2373860 A1 CA 2373860A1 CA 002373860 A CA002373860 A CA 002373860A CA 2373860 A CA2373860 A CA 2373860A CA 2373860 A1 CA2373860 A1 CA 2373860A1
- Authority
- CA
- Canada
- Prior art keywords
- analyte
- blood
- concentration
- fluid compartment
- analyte measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/14—Coupling media or elements to improve sensor contact with skin or tissue
- A61B2562/146—Coupling media or elements to improve sensor contact with skin or tissue for optical coupling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1495—Calibrating or testing of in-vivo probes
Abstract
A method and apparatus for non-invasively measuring the concentration of an analyte, particularly blood analyte in blood. The method utilizes spectographic techniques in conjunction with means for equilibrating the concentration of the analyte between the vascular system fluid compartment of the test area and the other tissue fluid compartment. An improved optical interface between a sensor probe and a skin surface or tissue surface of the body containing the blood to be analyzed. Multiple readings during the equilibration period are taken and utilized to show the direction and rate of charge of concentration of the analyte in the blood which is useful in optimizing therapeutic response to the collected data.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/343,800 | 1999-06-30 | ||
US09/343,800 US6240306B1 (en) | 1995-08-09 | 1999-06-30 | Method and apparatus for non-invasive blood analyte measurement with fluid compartment equilibration |
PCT/US2000/016122 WO2001001852A1 (en) | 1999-06-30 | 2000-06-12 | Method and apparatus for non-invasive blood analyte measurement |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2373860A1 true CA2373860A1 (en) | 2001-01-11 |
CA2373860C CA2373860C (en) | 2005-07-26 |
Family
ID=23347723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002373860A Expired - Fee Related CA2373860C (en) | 1999-06-30 | 2000-06-12 | Method and apparatus for non-invasive blood analyte measurement |
Country Status (10)
Country | Link |
---|---|
US (2) | US6240306B1 (en) |
EP (1) | EP1194067A1 (en) |
JP (1) | JP2004500155A (en) |
KR (1) | KR20020043458A (en) |
CN (1) | CN1230119C (en) |
AU (1) | AU5482900A (en) |
CA (1) | CA2373860C (en) |
MX (1) | MXPA02000157A (en) |
NO (1) | NO20016364L (en) |
WO (1) | WO2001001852A1 (en) |
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-
1999
- 1999-06-30 US US09/343,800 patent/US6240306B1/en not_active Expired - Fee Related
-
2000
- 2000-06-12 JP JP2001507359A patent/JP2004500155A/en active Pending
- 2000-06-12 CA CA002373860A patent/CA2373860C/en not_active Expired - Fee Related
- 2000-06-12 AU AU54829/00A patent/AU5482900A/en not_active Abandoned
- 2000-06-12 MX MXPA02000157A patent/MXPA02000157A/en unknown
- 2000-06-12 WO PCT/US2000/016122 patent/WO2001001852A1/en not_active Application Discontinuation
- 2000-06-12 EP EP00939800A patent/EP1194067A1/en not_active Withdrawn
- 2000-06-12 KR KR1020017016870A patent/KR20020043458A/en not_active Application Discontinuation
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2001
- 2001-05-24 US US09/864,774 patent/US6718189B2/en not_active Expired - Fee Related
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AU5482900A (en) | 2001-01-22 |
CN1230119C (en) | 2005-12-07 |
CN1399527A (en) | 2003-02-26 |
KR20020043458A (en) | 2002-06-10 |
WO2001001852A1 (en) | 2001-01-11 |
NO20016364L (en) | 2002-02-26 |
EP1194067A1 (en) | 2002-04-10 |
JP2004500155A (en) | 2004-01-08 |
US6240306B1 (en) | 2001-05-29 |
NO20016364D0 (en) | 2001-12-27 |
CA2373860C (en) | 2005-07-26 |
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