CA2202949C - Reflectance spectroscope with read head for minimizing singly-reflected light rays - Google Patents
Reflectance spectroscope with read head for minimizing singly-reflected light rays Download PDFInfo
- Publication number
- CA2202949C CA2202949C CA002202949A CA2202949A CA2202949C CA 2202949 C CA2202949 C CA 2202949C CA 002202949 A CA002202949 A CA 002202949A CA 2202949 A CA2202949 A CA 2202949A CA 2202949 C CA2202949 C CA 2202949C
- Authority
- CA
- Canada
- Prior art keywords
- light rays
- reagent pad
- wall portion
- reflectance
- aperture
- 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.)
- Expired - Fee Related
Links
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 98
- 238000005286 illumination Methods 0.000 claims abstract description 32
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims description 24
- 238000012360 testing method Methods 0.000 description 16
- 210000004369 blood Anatomy 0.000 description 11
- 239000008280 blood Substances 0.000 description 11
- 210000002700 urine Anatomy 0.000 description 11
- 230000002238 attenuated effect Effects 0.000 description 3
- 210000001124 body fluid Anatomy 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 238000002562 urinalysis Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N21/474—Details of optical heads therefor, e.g. using optical fibres
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/647,122 US5661563A (en) | 1996-05-09 | 1996-05-09 | Reflectance spectroscope with read head for minimizing singly-reflected light rays |
| US647,122 | 1996-05-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2202949A1 CA2202949A1 (en) | 1997-11-09 |
| CA2202949C true CA2202949C (en) | 2000-02-08 |
Family
ID=24595802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002202949A Expired - Fee Related CA2202949C (en) | 1996-05-09 | 1997-04-17 | Reflectance spectroscope with read head for minimizing singly-reflected light rays |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5661563A (enExample) |
| EP (1) | EP0806651B1 (enExample) |
| JP (1) | JPH1038810A (enExample) |
| AU (1) | AU683007B1 (enExample) |
| CA (1) | CA2202949C (enExample) |
| DE (1) | DE69729821T2 (enExample) |
| ES (1) | ES2225912T3 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394952B1 (en) | 1998-02-03 | 2002-05-28 | Adeza Biomedical Corporation | Point of care diagnostic systems |
| US6267722B1 (en) * | 1998-02-03 | 2001-07-31 | Adeza Biomedical Corporation | Point of care diagnostic systems |
| EP1060455A4 (en) | 1998-02-10 | 2002-08-07 | Ey Lab Inc | REFLECTOR SYSTEM WITH COMPENSATION FOR THE TOPOGRAPHY OF THE SAMPLING HOLDER AND WITH SYNCHRONOUS ELIMINATION OF THE SYSTEM-RELATED NOISE |
| USD432244S (en) * | 1998-04-20 | 2000-10-17 | Adeza Biomedical Corporation | Device for encasing an assay test strip |
| USD434153S (en) * | 1998-04-20 | 2000-11-21 | Adeza Biomedical Corporation | Point of care analyte detector system |
| US6180409B1 (en) | 1998-10-13 | 2001-01-30 | Bayer Corporation | Spectrophotometric apparatus with multiple readheads |
| US6261522B1 (en) | 1998-10-13 | 2001-07-17 | Bayer Corporation | Spectrophotometric apparatus with reagent strip detection |
| US6239445B1 (en) * | 1999-03-01 | 2001-05-29 | Bayer Corporation | Optical inspection apparatus with removable inserts |
| CA2366802A1 (en) * | 2001-01-17 | 2002-07-17 | Bayer Corporation | Method and apparatus for using infrared readings to detect misidentification of a diagnostic test strip in a reflectance spectrometer |
| CA2744028A1 (en) * | 2008-11-19 | 2010-05-27 | Siemens Healthcare Diagnostics Inc. | Polarized optics for optical diagnostic device |
| US8422740B2 (en) | 2009-01-15 | 2013-04-16 | Scott Dylewski | Methods for determining a liquid front position on a test strip |
| US8692873B2 (en) | 2009-01-15 | 2014-04-08 | Alverix, Inc. | Video-frame data receiver with low frame capture rate |
| US10295472B2 (en) | 2010-05-05 | 2019-05-21 | Alverix, Inc. | Assay reader operable to scan a test strip |
| WO2013173674A1 (en) | 2012-05-18 | 2013-11-21 | Siemens Healthcare Diagnostics Inc. | Fish eye lens analyzer |
| EP4180797A1 (en) * | 2014-06-10 | 2023-05-17 | Sanofi-Aventis Deutschland GmbH | Apparatus for determining information associated with reflection characteristics of a surface |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4755058A (en) * | 1984-06-19 | 1988-07-05 | Miles Laboratories, Inc. | Device and method for measuring light diffusely reflected from a nonuniform specimen |
| US5028139A (en) * | 1987-07-16 | 1991-07-02 | Miles Inc. | Readhead for reflectance measurement of distant samples |
| US5165078A (en) * | 1991-03-25 | 1992-11-17 | Miles Inc. | Multi-channel, multi-wavelength detection system |
| US5179288A (en) * | 1991-09-30 | 1993-01-12 | Ortho Pharmaceutical Corporation | Apparatus and method for measuring a bodily constituent |
| US5477326A (en) * | 1994-06-30 | 1995-12-19 | Bayer Corporation | Spectrophotometer arrangement with multi-detector readhead |
| US5701181A (en) * | 1995-05-12 | 1997-12-23 | Bayer Corporation | Fiber optic diffuse light reflectance sensor utilized in the detection of occult blood |
| US5611999A (en) * | 1995-09-05 | 1997-03-18 | Bayer Corporation | Diffused light reflectance readhead |
| US5518689A (en) * | 1995-09-05 | 1996-05-21 | Bayer Corporation | Diffused light reflectance readhead |
-
1996
- 1996-05-09 US US08/647,122 patent/US5661563A/en not_active Expired - Lifetime
-
1997
- 1997-04-11 JP JP9093538A patent/JPH1038810A/ja active Pending
- 1997-04-17 CA CA002202949A patent/CA2202949C/en not_active Expired - Fee Related
- 1997-04-28 EP EP97107001A patent/EP0806651B1/en not_active Expired - Lifetime
- 1997-04-28 ES ES97107001T patent/ES2225912T3/es not_active Expired - Lifetime
- 1997-04-28 DE DE69729821T patent/DE69729821T2/de not_active Expired - Lifetime
- 1997-05-08 AU AU20120/97A patent/AU683007B1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE69729821D1 (de) | 2004-08-19 |
| EP0806651A2 (en) | 1997-11-12 |
| JPH1038810A (ja) | 1998-02-13 |
| US5661563A (en) | 1997-08-26 |
| ES2225912T3 (es) | 2005-03-16 |
| CA2202949A1 (en) | 1997-11-09 |
| EP0806651A3 (en) | 1998-11-11 |
| DE69729821T2 (de) | 2005-07-21 |
| EP0806651B1 (en) | 2004-07-14 |
| AU683007B1 (en) | 1997-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20060418 |