MX9307290A - Un instrumento de analisis cuantitativo en el infrarrojo cercano, para medicion no invasora. - Google Patents
Un instrumento de analisis cuantitativo en el infrarrojo cercano, para medicion no invasora.Info
- Publication number
- MX9307290A MX9307290A MX9307290A MX9307290A MX9307290A MX 9307290 A MX9307290 A MX 9307290A MX 9307290 A MX9307290 A MX 9307290A MX 9307290 A MX9307290 A MX 9307290A MX 9307290 A MX9307290 A MX 9307290A
- Authority
- MX
- Mexico
- Prior art keywords
- ired
- current
- instrument
- modifying
- analog
- Prior art date
Links
- 238000005259 measurement Methods 0.000 title abstract 3
- 238000004445 quantitative analysis Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000009738 saturating Methods 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
- A61B5/02427—Details of sensor
- A61B5/02433—Details of sensor for infrared radiation
-
- 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
- A61B5/14551—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 for measuring blood gases
- A61B5/14552—Details of sensors specially adapted therefor
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Optics & Photonics (AREA)
- Physiology (AREA)
- Emergency Medicine (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
Se describe un medio de bajo costo para incrementar la sensibilidad en la medición de instrumentos de LED/IRED, en el infrarrojo cercano, que utiliza un medio de modificación de corriente para modificar la corriente excitadora alimentada a cada IRED, como una función de la opacidad de la muestra particular que se está midiendo. El medio de modificación de corriente es parte del medio de procesamiento y comprende medios para medir un nivel de señal para cada IRED, en un convertidor de analógico a digital. Con base en el nivel de señal detectado para cada IRED, el medio de modificación de corriente modifica la corriente a cada IRED a un valor que es lo más alto posible sin saturar el convertidor de analógico a digital. De tal manera, modificando la corriente excitadora de cada IRED a dicho valor máximo, el instrumento analítico de la presente invención provee elevada resolución sin el uso de circuitos electrónicos costosos. También se provee un sistema para generar y almacenar una firma óptica de un usuario particular, asegurando de esa manera la precisión de las mediciones tomadas por el instrumento.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/980,272 US5365066A (en) | 1989-01-19 | 1992-11-23 | Low cost means for increasing measurement sensitivity in LED/IRED near-infrared instruments |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9307290A true MX9307290A (es) | 1994-08-31 |
Family
ID=25527456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9307290A MX9307290A (es) | 1992-11-23 | 1993-11-22 | Un instrumento de analisis cuantitativo en el infrarrojo cercano, para medicion no invasora. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5365066A (es) |
EP (1) | EP0729571A4 (es) |
JP (1) | JPH08503773A (es) |
AU (1) | AU5826694A (es) |
CA (1) | CA2150030A1 (es) |
MX (1) | MX9307290A (es) |
WO (1) | WO1994012866A1 (es) |
ZA (1) | ZA938719B (es) |
Families Citing this family (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5623139A (en) * | 1994-08-05 | 1997-04-22 | Photoelectron Corporation | CCD X-ray microdensitometer system |
US5703364A (en) * | 1996-02-15 | 1997-12-30 | Futrex, Inc. | Method and apparatus for near-infrared quantitative analysis |
US6018673A (en) | 1996-10-10 | 2000-01-25 | Nellcor Puritan Bennett Incorporated | Motion compatible sensor for non-invasive optical blood analysis |
AUPO630397A0 (en) * | 1997-04-18 | 1997-05-15 | Bri Australia Limited | Monitoring of dough and grain properties |
JP4701468B2 (ja) * | 1998-12-24 | 2011-06-15 | パナソニック電工株式会社 | 生体情報測定装置 |
US6675031B1 (en) | 1999-04-14 | 2004-01-06 | Mallinckrodt Inc. | Method and circuit for indicating quality and accuracy of physiological measurements |
WO2001020306A1 (en) * | 1999-09-14 | 2001-03-22 | The Research Foundation Of State University Of New York | System and method for tomographic imaging of dynamic properties of a scattering medium |
US6795195B1 (en) * | 1999-09-14 | 2004-09-21 | Research Foundation Of State University Of New York | System and method for tomographic imaging of dynamic properties of a scattering medium |
US6708049B1 (en) | 1999-09-28 | 2004-03-16 | Nellcor Puritan Bennett Incorporated | Sensor with signature of data relating to sensor |
US8224412B2 (en) | 2000-04-17 | 2012-07-17 | Nellcor Puritan Bennett Llc | Pulse oximeter sensor with piece-wise function |
CA2405825C (en) | 2000-04-17 | 2010-11-09 | Nellcor Puritan Bennett Incorporated | Pulse oximeter sensor with piece-wise function |
US6591122B2 (en) * | 2001-03-16 | 2003-07-08 | Nellcor Puritan Bennett Incorporated | Device and method for monitoring body fluid and electrolyte disorders |
US7239902B2 (en) * | 2001-03-16 | 2007-07-03 | Nellor Puritan Bennett Incorporated | Device and method for monitoring body fluid and electrolyte disorders |
US6559655B1 (en) | 2001-04-30 | 2003-05-06 | Zeltex, Inc. | System and method for analyzing agricultural products on harvesting equipment |
US20040147034A1 (en) * | 2001-08-14 | 2004-07-29 | Gore Jay Prabhakar | Method and apparatus for measuring a substance in a biological sample |
US6748254B2 (en) | 2001-10-12 | 2004-06-08 | Nellcor Puritan Bennett Incorporated | Stacked adhesive optical sensor |
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US20040115754A1 (en) * | 2002-12-11 | 2004-06-17 | Umax Data Systems Inc. | Method for establishing a long-term profile of blood sugar level aiding self-control of the same |
TW200411178A (en) * | 2002-12-31 | 2004-07-01 | Veutron Corp | Method for determining the resolution of blood glucose by using rising time curve |
TW592667B (en) * | 2003-04-04 | 2004-06-21 | Veutron Corp | Method for determining the resolution of blood glucose |
KR100634498B1 (ko) * | 2004-01-12 | 2006-10-13 | 삼성전자주식회사 | 체내성분 측정장치 및 방법 |
US7445600B1 (en) | 2004-03-01 | 2008-11-04 | Futrex, Inc. | Multi-function, self-service health kiosk |
EP1576921A1 (en) * | 2004-03-17 | 2005-09-21 | Matsushita Electric Industrial Co., Ltd. | Method and device for measuring biological information |
US7590439B2 (en) | 2005-08-08 | 2009-09-15 | Nellcor Puritan Bennett Llc | Bi-stable medical sensor and technique for using the same |
US7657295B2 (en) | 2005-08-08 | 2010-02-02 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US7657294B2 (en) | 2005-08-08 | 2010-02-02 | Nellcor Puritan Bennett Llc | Compliant diaphragm medical sensor and technique for using the same |
US20070060808A1 (en) | 2005-09-12 | 2007-03-15 | Carine Hoarau | Medical sensor for reducing motion artifacts and technique for using the same |
US8951190B2 (en) * | 2005-09-28 | 2015-02-10 | Zin Technologies, Inc. | Transfer function control for biometric monitoring system |
US8092379B2 (en) | 2005-09-29 | 2012-01-10 | Nellcor Puritan Bennett Llc | Method and system for determining when to reposition a physiological sensor |
US7904130B2 (en) | 2005-09-29 | 2011-03-08 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US7869850B2 (en) | 2005-09-29 | 2011-01-11 | Nellcor Puritan Bennett Llc | Medical sensor for reducing motion artifacts and technique for using the same |
US7899510B2 (en) | 2005-09-29 | 2011-03-01 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US8233954B2 (en) | 2005-09-30 | 2012-07-31 | Nellcor Puritan Bennett Llc | Mucosal sensor for the assessment of tissue and blood constituents and technique for using the same |
US7881762B2 (en) | 2005-09-30 | 2011-02-01 | Nellcor Puritan Bennett Llc | Clip-style medical sensor and technique for using the same |
US8062221B2 (en) | 2005-09-30 | 2011-11-22 | Nellcor Puritan Bennett Llc | Sensor for tissue gas detection and technique for using the same |
US7555327B2 (en) | 2005-09-30 | 2009-06-30 | Nellcor Puritan Bennett Llc | Folding medical sensor and technique for using the same |
US7483731B2 (en) | 2005-09-30 | 2009-01-27 | Nellcor Puritan Bennett Llc | Medical sensor and technique for using the same |
US7486979B2 (en) | 2005-09-30 | 2009-02-03 | Nellcor Puritan Bennett Llc | Optically aligned pulse oximetry sensor and technique for using the same |
US8073518B2 (en) | 2006-05-02 | 2011-12-06 | Nellcor Puritan Bennett Llc | Clip-style medical sensor and technique for using the same |
US8145288B2 (en) | 2006-08-22 | 2012-03-27 | Nellcor Puritan Bennett Llc | Medical sensor for reducing signal artifacts and technique for using the same |
US8219170B2 (en) | 2006-09-20 | 2012-07-10 | Nellcor Puritan Bennett Llc | System and method for practicing spectrophotometry using light emitting nanostructure devices |
US8396527B2 (en) | 2006-09-22 | 2013-03-12 | Covidien Lp | Medical sensor for reducing signal artifacts and technique for using the same |
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US7869849B2 (en) | 2006-09-26 | 2011-01-11 | Nellcor Puritan Bennett Llc | Opaque, electrically nonconductive region on a medical sensor |
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US7890153B2 (en) | 2006-09-28 | 2011-02-15 | Nellcor Puritan Bennett Llc | System and method for mitigating interference in pulse oximetry |
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US7684842B2 (en) | 2006-09-29 | 2010-03-23 | Nellcor Puritan Bennett Llc | System and method for preventing sensor misuse |
US8068891B2 (en) | 2006-09-29 | 2011-11-29 | Nellcor Puritan Bennett Llc | Symmetric LED array for pulse oximetry |
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US7894869B2 (en) | 2007-03-09 | 2011-02-22 | Nellcor Puritan Bennett Llc | Multiple configuration medical sensor and technique for using the same |
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US8452364B2 (en) | 2007-12-28 | 2013-05-28 | Covidien LLP | System and method for attaching a sensor to a patient's skin |
US8199007B2 (en) | 2007-12-31 | 2012-06-12 | Nellcor Puritan Bennett Llc | Flex circuit snap track for a biometric sensor |
US8092993B2 (en) | 2007-12-31 | 2012-01-10 | Nellcor Puritan Bennett Llc | Hydrogel thin film for use as a biosensor |
US8070508B2 (en) | 2007-12-31 | 2011-12-06 | Nellcor Puritan Bennett Llc | Method and apparatus for aligning and securing a cable strain relief |
US8897850B2 (en) | 2007-12-31 | 2014-11-25 | Covidien Lp | Sensor with integrated living hinge and spring |
US8437822B2 (en) | 2008-03-28 | 2013-05-07 | Covidien Lp | System and method for estimating blood analyte concentration |
US8112375B2 (en) | 2008-03-31 | 2012-02-07 | Nellcor Puritan Bennett Llc | Wavelength selection and outlier detection in reduced rank linear models |
US8071935B2 (en) | 2008-06-30 | 2011-12-06 | Nellcor Puritan Bennett Llc | Optical detector with an overmolded faraday shield |
US7880884B2 (en) | 2008-06-30 | 2011-02-01 | Nellcor Puritan Bennett Llc | System and method for coating and shielding electronic sensor components |
US7887345B2 (en) | 2008-06-30 | 2011-02-15 | Nellcor Puritan Bennett Llc | Single use connector for pulse oximetry sensors |
US8364220B2 (en) | 2008-09-25 | 2013-01-29 | Covidien Lp | Medical sensor and technique for using the same |
US8423112B2 (en) | 2008-09-30 | 2013-04-16 | Covidien Lp | Medical sensor and technique for using the same |
US8914088B2 (en) | 2008-09-30 | 2014-12-16 | Covidien Lp | Medical sensor and technique for using the same |
US8417309B2 (en) | 2008-09-30 | 2013-04-09 | Covidien Lp | Medical sensor |
US9301697B2 (en) | 2008-09-30 | 2016-04-05 | Nellcor Puritan Bennett Ireland | Systems and methods for recalibrating a non-invasive blood pressure monitor |
US8452366B2 (en) | 2009-03-16 | 2013-05-28 | Covidien Lp | Medical monitoring device with flexible circuitry |
US8221319B2 (en) | 2009-03-25 | 2012-07-17 | Nellcor Puritan Bennett Llc | Medical device for assessing intravascular blood volume and technique for using the same |
US8509869B2 (en) | 2009-05-15 | 2013-08-13 | Covidien Lp | Method and apparatus for detecting and analyzing variations in a physiologic parameter |
US8634891B2 (en) | 2009-05-20 | 2014-01-21 | Covidien Lp | Method and system for self regulation of sensor component contact pressure |
US9010634B2 (en) | 2009-06-30 | 2015-04-21 | Covidien Lp | System and method for linking patient data to a patient and providing sensor quality assurance |
US8311601B2 (en) | 2009-06-30 | 2012-11-13 | Nellcor Puritan Bennett Llc | Reflectance and/or transmissive pulse oximeter |
US8505821B2 (en) | 2009-06-30 | 2013-08-13 | Covidien Lp | System and method for providing sensor quality assurance |
US8391941B2 (en) | 2009-07-17 | 2013-03-05 | Covidien Lp | System and method for memory switching for multiple configuration medical sensor |
US8494786B2 (en) | 2009-07-30 | 2013-07-23 | Covidien Lp | Exponential sampling of red and infrared signals |
US8417310B2 (en) | 2009-08-10 | 2013-04-09 | Covidien Lp | Digital switching in multi-site sensor |
US8428675B2 (en) | 2009-08-19 | 2013-04-23 | Covidien Lp | Nanofiber adhesives used in medical devices |
US9066660B2 (en) | 2009-09-29 | 2015-06-30 | Nellcor Puritan Bennett Ireland | Systems and methods for high-pass filtering a photoplethysmograph signal |
US8761853B2 (en) * | 2011-01-20 | 2014-06-24 | Nitto Denko Corporation | Devices and methods for non-invasive optical physiological measurements |
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KR102658240B1 (ko) | 2016-11-17 | 2024-04-16 | 삼성전자주식회사 | 생체 정보 추정 장치 및 방법 |
KR102655737B1 (ko) | 2016-11-30 | 2024-04-05 | 삼성전자주식회사 | 생체 성분 추정 장치 및 방법 |
CN111491555A (zh) | 2017-10-16 | 2020-08-04 | 麻省理工学院 | 用于非侵入性血液测量的系统、装置和方法 |
KR102498121B1 (ko) | 2017-11-20 | 2023-02-09 | 삼성전자주식회사 | 생체정보 추정 장치 및 방법 |
KR102500765B1 (ko) * | 2017-11-22 | 2023-02-17 | 삼성전자주식회사 | 분광기, 분광기의 출력이득 조절 방법, 생체정보 측정 장치 및 방법 |
CN116211296A (zh) | 2019-07-24 | 2023-06-06 | 麻省理工学院 | 用于甲襞成像装置的手指插入件 |
CN115699108A (zh) | 2020-05-28 | 2023-02-03 | 露科实验室股份有限公司 | 一种从无创性毛细血管视频中检测白细胞和/或白细胞亚型的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4286327A (en) * | 1979-09-10 | 1981-08-25 | Trebor Industries, Inc. | Apparatus for near infrared quantitative analysis |
US4850365A (en) * | 1988-03-14 | 1989-07-25 | Futrex, Inc. | Near infrared apparatus and method for determining percent fat in a body |
US5204532A (en) * | 1989-01-19 | 1993-04-20 | Futrex, Inc. | Method for providing general calibration for near infrared instruments for measurement of blood glucose |
US5077476A (en) * | 1990-06-27 | 1991-12-31 | Futrex, Inc. | Instrument for non-invasive measurement of blood glucose |
US5086229A (en) * | 1989-01-19 | 1992-02-04 | Futrex, Inc. | Non-invasive measurement of blood glucose |
US5291884A (en) * | 1991-02-07 | 1994-03-08 | Minnesota Mining And Manufacturing Company | Apparatus for measuring a blood parameter |
-
1992
- 1992-11-23 US US07/980,272 patent/US5365066A/en not_active Expired - Fee Related
-
1993
- 1993-11-22 ZA ZA938719A patent/ZA938719B/xx unknown
- 1993-11-22 CA CA002150030A patent/CA2150030A1/en not_active Abandoned
- 1993-11-22 MX MX9307290A patent/MX9307290A/es unknown
- 1993-11-22 WO PCT/US1993/011414 patent/WO1994012866A1/en not_active Application Discontinuation
- 1993-11-22 AU AU58266/94A patent/AU5826694A/en not_active Abandoned
- 1993-11-22 EP EP94904066A patent/EP0729571A4/en not_active Withdrawn
- 1993-11-22 JP JP6513350A patent/JPH08503773A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU5826694A (en) | 1994-06-22 |
EP0729571A1 (en) | 1996-09-04 |
WO1994012866A1 (en) | 1994-06-09 |
JPH08503773A (ja) | 1996-04-23 |
ZA938719B (en) | 1994-06-30 |
US5365066A (en) | 1994-11-15 |
EP0729571A4 (en) | 1996-11-20 |
CA2150030A1 (en) | 1994-06-09 |
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