WO2000000080A1 - A device for evaluating blood system properties - Google Patents
A device for evaluating blood system properties Download PDFInfo
- Publication number
- WO2000000080A1 WO2000000080A1 PCT/IL1999/000353 IL9900353W WO0000080A1 WO 2000000080 A1 WO2000000080 A1 WO 2000000080A1 IL 9900353 W IL9900353 W IL 9900353W WO 0000080 A1 WO0000080 A1 WO 0000080A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- tissue
- blood
- pulses
- determining
- Prior art date
Links
- 210000004369 blood Anatomy 0.000 title claims description 40
- 239000008280 blood Substances 0.000 title claims description 40
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000017531 blood circulation Effects 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 230000036772 blood pressure Effects 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 16
- 230000002706 hydrostatic effect Effects 0.000 claims description 14
- 230000003595 spectral effect Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 10
- 230000000747 cardiac effect Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 238000010606 normalization Methods 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000001413 cellular effect Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 230000035487 diastolic blood pressure Effects 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000004148 unit process Methods 0.000 claims description 2
- 230000035488 systolic blood pressure Effects 0.000 claims 1
- 210000000056 organ Anatomy 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000033764 rhythmic process Effects 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 210000000601 blood cell Anatomy 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 210000003743 erythrocyte Anatomy 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 230000001766 physiological effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010005746 Blood pressure fluctuation Diseases 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 241000282693 Cercopithecidae Species 0.000 description 1
- 241000777300 Congiopodidae Species 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 235000013330 chicken meat Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002316 cosmetic surgery Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 230000008713 feedback mechanism Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002682 general surgery Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000021 stimulant Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 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
- A61B5/026—Measuring blood flow
- A61B5/0261—Measuring blood flow using optical means, e.g. infrared light
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99928193A EP1089653A1 (en) | 1998-06-26 | 1999-06-24 | A device for evaluating blood system properties |
AU45303/99A AU4530399A (en) | 1998-06-26 | 1999-06-24 | A device for evaluating blood system properties |
KR1020007014702A KR20010071588A (en) | 1998-06-26 | 1999-06-24 | A device for evaluating blood system properties |
JP2000556668A JP2002519088A (en) | 1998-06-26 | 1999-06-24 | Blood system characteristic evaluation device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60/126,436 | 1998-06-26 | ||
US11043298P | 1998-12-01 | 1998-12-01 | |
US60/110,432 | 1998-12-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000000080A1 true WO2000000080A1 (en) | 2000-01-06 |
Family
ID=22332975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IL1999/000353 WO2000000080A1 (en) | 1998-06-26 | 1999-06-24 | A device for evaluating blood system properties |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1089653A1 (en) |
AU (1) | AU4530399A (en) |
WO (1) | WO2000000080A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10215212A1 (en) * | 2002-04-02 | 2003-10-30 | Univ Dresden Tech | Arrangement for the optical measurement of swelling conditions of the nose |
DE10257371A1 (en) * | 2002-12-06 | 2004-06-24 | Technische Universität Dresden | Arrangement to be used for examining swelling of nasal mucosa when exposed to particular substances |
WO2008044822A1 (en) * | 2006-10-11 | 2008-04-17 | Korea Advanced Institute Of Science And Technology | System for analyzing tissue perfusion using concentration of indocyanine green in blood |
US8639309B2 (en) | 2007-07-31 | 2014-01-28 | J&M Shuler, Inc. | Method and system for monitoring oxygenation levels of compartments and tissue |
US8694068B2 (en) | 2007-02-27 | 2014-04-08 | J&M Shuler, Inc. | Method and system for monitoring oxygenation levels of a compartment for detecting conditions of a compartment syndrome |
US9848775B2 (en) | 2013-05-22 | 2017-12-26 | The Board Of Trustees Of The Leland Stanford Junior University | Passive and wireless pressure sensor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5386827A (en) * | 1993-03-30 | 1995-02-07 | Nim Incorporated | Quantitative and qualitative in vivo tissue examination using time resolved spectroscopy |
US5524617A (en) * | 1995-03-14 | 1996-06-11 | Nellcor, Incorporated | Isolated layer pulse oximetry |
US5640963A (en) * | 1993-12-03 | 1997-06-24 | Canon Kabushiki Kaisha | Eye fundus blood flow meter |
US5766127A (en) * | 1996-04-15 | 1998-06-16 | Ohmeda Inc. | Method and apparatus for improved photoplethysmographic perfusion-index monitoring |
-
1999
- 1999-06-24 EP EP99928193A patent/EP1089653A1/en not_active Withdrawn
- 1999-06-24 WO PCT/IL1999/000353 patent/WO2000000080A1/en not_active Application Discontinuation
- 1999-06-24 AU AU45303/99A patent/AU4530399A/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5386827A (en) * | 1993-03-30 | 1995-02-07 | Nim Incorporated | Quantitative and qualitative in vivo tissue examination using time resolved spectroscopy |
US5640963A (en) * | 1993-12-03 | 1997-06-24 | Canon Kabushiki Kaisha | Eye fundus blood flow meter |
US5524617A (en) * | 1995-03-14 | 1996-06-11 | Nellcor, Incorporated | Isolated layer pulse oximetry |
US5766127A (en) * | 1996-04-15 | 1998-06-16 | Ohmeda Inc. | Method and apparatus for improved photoplethysmographic perfusion-index monitoring |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10215212A1 (en) * | 2002-04-02 | 2003-10-30 | Univ Dresden Tech | Arrangement for the optical measurement of swelling conditions of the nose |
DE10215212B4 (en) * | 2002-04-02 | 2004-09-23 | Technische Universität Dresden | Arrangement for the optical measurement of swelling conditions of the nose |
DE10257371A1 (en) * | 2002-12-06 | 2004-06-24 | Technische Universität Dresden | Arrangement to be used for examining swelling of nasal mucosa when exposed to particular substances |
WO2008044822A1 (en) * | 2006-10-11 | 2008-04-17 | Korea Advanced Institute Of Science And Technology | System for analyzing tissue perfusion using concentration of indocyanine green in blood |
KR100867977B1 (en) * | 2006-10-11 | 2008-11-10 | 한국과학기술원 | Machine to analyze tissue perfusion using concentration of indocyanine green in blood and a method for analysing tissue perfusion using the same |
US8285353B2 (en) | 2006-10-11 | 2012-10-09 | Korea Advanced Institute Of Science And Technology | System for analyzing tissue perfusion using concentration of indocyanine green in blood |
US8694068B2 (en) | 2007-02-27 | 2014-04-08 | J&M Shuler, Inc. | Method and system for monitoring oxygenation levels of a compartment for detecting conditions of a compartment syndrome |
US9320473B2 (en) | 2007-02-27 | 2016-04-26 | J&M Shuler, Inc. | Method and system for monitoring oxygenation levels of a compartment for detecting conditions of a compartment syndrome |
US8639309B2 (en) | 2007-07-31 | 2014-01-28 | J&M Shuler, Inc. | Method and system for monitoring oxygenation levels of compartments and tissue |
US9314165B2 (en) | 2007-07-31 | 2016-04-19 | J&M Shuler, Inc. | Method and system for monitoring oxygenation levels of compartments and tissue |
US9848775B2 (en) | 2013-05-22 | 2017-12-26 | The Board Of Trustees Of The Leland Stanford Junior University | Passive and wireless pressure sensor |
Also Published As
Publication number | Publication date |
---|---|
EP1089653A1 (en) | 2001-04-11 |
AU4530399A (en) | 2000-01-17 |
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