CA1104373A - Limb blood flowmeter - Google Patents
Limb blood flowmeterInfo
- Publication number
- CA1104373A CA1104373A CA301,614A CA301614A CA1104373A CA 1104373 A CA1104373 A CA 1104373A CA 301614 A CA301614 A CA 301614A CA 1104373 A CA1104373 A CA 1104373A
- Authority
- CA
- Canada
- Prior art keywords
- limb
- admittance
- pressure
- blood
- examined
- 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
Links
- 239000008280 blood Substances 0.000 title claims abstract description 52
- 210000004369 blood Anatomy 0.000 title claims abstract description 52
- 230000017531 blood circulation Effects 0.000 claims abstract description 39
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 17
- 238000005070 sampling Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000035487 diastolic blood pressure Effects 0.000 claims description 3
- 230000035488 systolic blood pressure Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 2
- 208000036366 Sensation of pressure Diseases 0.000 claims 1
- 230000000717 retained effect Effects 0.000 abstract description 2
- 210000003414 extremity Anatomy 0.000 description 59
- 206010058990 Venous occlusion Diseases 0.000 description 9
- 210000000245 forearm Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005534 hematocrit Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- VOVZXURTCKPRDQ-CQSZACIVSA-N n-[4-[chloro(difluoro)methoxy]phenyl]-6-[(3r)-3-hydroxypyrrolidin-1-yl]-5-(1h-pyrazol-5-yl)pyridine-3-carboxamide Chemical compound C1[C@H](O)CCN1C1=NC=C(C(=O)NC=2C=CC(OC(F)(F)Cl)=CC=2)C=C1C1=CC=NN1 VOVZXURTCKPRDQ-CQSZACIVSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
-
- 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/0235—Valves specially adapted therefor
-
- 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/026—Measuring blood flow
-
- 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/026—Measuring blood flow
- A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0535—Impedance plethysmography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physiology (AREA)
- Vascular Medicine (AREA)
- Hematology (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP107441/77 | 1977-09-07 | ||
| JP10744177A JPS5441584A (en) | 1977-09-07 | 1977-09-07 | Human body blood current meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1104373A true CA1104373A (en) | 1981-07-07 |
Family
ID=14459219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA301,614A Expired CA1104373A (en) | 1977-09-07 | 1978-04-20 | Limb blood flowmeter |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4204545A (en, 2012) |
| JP (1) | JPS5441584A (en, 2012) |
| CA (1) | CA1104373A (en, 2012) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59156325A (ja) * | 1983-02-25 | 1984-09-05 | 株式会社 ウエダ製作所 | 間接的血圧測定装置 |
| US4548211A (en) * | 1984-01-12 | 1985-10-22 | Marks Lloyd A | Computer assisted admittance plethysmograph |
| FI80198C (fi) * | 1985-10-01 | 1990-05-10 | Instrumentarium Oy | Tryckregleringssystem och -anordning foer automatisk noninvasiv blodtrycksmaetares manschett. |
| JPS63281626A (ja) * | 1987-05-13 | 1988-11-18 | Nippon M D M:Kk | 体肢容積計測装置 |
| JPS6444607U (en, 2012) * | 1987-09-10 | 1989-03-16 | ||
| US4807638A (en) * | 1987-10-21 | 1989-02-28 | Bomed Medical Manufacturing, Ltd. | Noninvasive continuous mean arterial blood prssure monitor |
| US5090417A (en) * | 1987-10-22 | 1992-02-25 | Mollan Raymond A B | Medical diagnostic apparatus |
| GB2211616B (en) * | 1987-10-22 | 1991-07-17 | Raymond Alexander Boyce Mollan | Medical diagnostic apparatus |
| GB8803840D0 (en) * | 1988-02-18 | 1988-03-16 | Deltanine Research Ltd | Improvements in/relating to medical apparatus & surgical procedures |
| US6766191B1 (en) * | 1990-10-04 | 2004-07-20 | Microcor, Inc. | System and method for in-vivo hematocrit measurement using impedance and pressure plethysmography |
| US5309917A (en) * | 1991-09-12 | 1994-05-10 | Drexel University | System and method of impedance cardiography and heartbeat determination |
| FI103759B (fi) * | 1997-09-12 | 1999-09-30 | Polar Electro Oy | Menetelmä ja järjestely laskimopaineen mittaukseen |
| US6306100B1 (en) * | 1997-12-16 | 2001-10-23 | Richard L. Prass | Intraoperative neurophysiological monitoring system |
| JP2000000217A (ja) * | 1998-06-15 | 2000-01-07 | Nippon Colin Co Ltd | 透析用連続血圧測定装置 |
| US6442422B1 (en) * | 1999-08-11 | 2002-08-27 | Ge Medical Systems Information Technologies, Inc. | Compliance monitoring apparatus and method |
| US7228170B2 (en) * | 2000-08-14 | 2007-06-05 | Renal Research Institute, Llc | Device and method for monitoring and controlling physiologic parameters of a dialysis patient using segmental bioimpedance |
| US6615077B1 (en) * | 2000-08-14 | 2003-09-02 | Renal Research Institute, Llc | Device and method for monitoring and controlling physiologic parameters of a dialysis patient using segmental bioimpedence |
| JP4049671B2 (ja) * | 2000-10-23 | 2008-02-20 | イタマール メディカル リミテッド | 患者の内皮活性を非侵襲的に評価する装置 |
| DE60137191D1 (de) * | 2001-03-05 | 2009-02-12 | Instrumentarium Corp | Verfahren zur nicht-invasiven Bestimmung des Zustandes des Kreislaufes eines Individuums |
| US6540688B1 (en) * | 2001-10-11 | 2003-04-01 | Datex-Ohmeda, Inc. | Method and system for assessing collateral blood flow to a tissue region of interest |
| US7214197B2 (en) * | 2001-11-06 | 2007-05-08 | Prass Richard L | Intraoperative neurophysiological monitoring system |
| US7011631B2 (en) * | 2003-01-21 | 2006-03-14 | Hemonix, Inc. | Noninvasive method of measuring blood density and hematocrit |
| JP3907595B2 (ja) * | 2003-02-25 | 2007-04-18 | 株式会社タニタ | 静脈伸展性評価指標計測装置 |
| WO2004086940A2 (en) * | 2003-03-25 | 2004-10-14 | Fresenius Medical Care Holdings, Inc. | Device and method for performing electrical impedance tomography |
| US8029454B2 (en) | 2003-11-05 | 2011-10-04 | Baxter International Inc. | High convection home hemodialysis/hemofiltration and sorbent system |
| EP1737341A4 (en) * | 2004-03-24 | 2009-07-29 | Noninvasive Medical Technologi | THORAX IMPEDANCE MONITOR AND ELECTRODE GROUP AND USE METHOD |
| US8057679B2 (en) | 2008-07-09 | 2011-11-15 | Baxter International Inc. | Dialysis system having trending and alert generation |
| US7981281B2 (en) * | 2008-07-09 | 2011-07-19 | Baxter International, Inc. | Dialysis system having regimen generation methodology |
| US8062513B2 (en) | 2008-07-09 | 2011-11-22 | Baxter International Inc. | Dialysis system and machine having therapy prescription recall |
| US9514283B2 (en) | 2008-07-09 | 2016-12-06 | Baxter International Inc. | Dialysis system having inventory management including online dextrose mixing |
| US8168063B2 (en) * | 2008-07-09 | 2012-05-01 | Baxter International Inc. | Dialysis system having filtering method for determining therapy prescriptions |
| US8185182B1 (en) * | 2008-10-14 | 2012-05-22 | Ravi Shankar | Noninvasive glucose measurement |
| US8282829B2 (en) | 2009-05-20 | 2012-10-09 | Baxter International Inc. | System and method for automated data collection of twenty-four hour ultrafiltration and other patient parameters using wired or wireless technology |
| US8926551B2 (en) * | 2009-07-07 | 2015-01-06 | Baxter Healthcare Inc. | Peritoneal dialysis therapy with large dialysis solution volumes |
| US10842395B2 (en) | 2011-11-24 | 2020-11-24 | Itamar Medical Ltd. | Apparatus for monitoring arterial pulse waves in diagnosing various medical conditions |
| US20130197340A1 (en) * | 2012-01-06 | 2013-08-01 | University Of Washington Through Its Center For Commercialization | Potential Artery-to-Vein Disease State Detection |
| US10098585B2 (en) | 2013-03-15 | 2018-10-16 | Cadwell Laboratories, Inc. | Neuromonitoring systems and methods |
| US10231635B1 (en) | 2015-08-26 | 2019-03-19 | Lloyd A. Marks | Impedance plethysmograph using concurrent processing |
| CN113484382A (zh) * | 2015-12-18 | 2021-10-08 | 三伟达保健公司 | 使用四端阻抗测量的试管内传感器 |
| CN105615844A (zh) * | 2016-02-19 | 2016-06-01 | 大连理工大学 | 一种肱动脉内皮功能的电阻抗检测分析装置及方法 |
| US9935395B1 (en) | 2017-01-23 | 2018-04-03 | Cadwell Laboratories, Inc. | Mass connection plate for electrical connectors |
| US11992339B2 (en) | 2018-05-04 | 2024-05-28 | Cadwell Laboratories, Inc. | Systems and methods for dynamic neurophysiological stimulation |
| US11253182B2 (en) | 2018-05-04 | 2022-02-22 | Cadwell Laboratories, Inc. | Apparatus and method for polyphasic multi-output constant-current and constant-voltage neurophysiological stimulation |
| US11443649B2 (en) | 2018-06-29 | 2022-09-13 | Cadwell Laboratories, Inc. | Neurophysiological monitoring training simulator |
| IT201900010248A1 (it) | 2019-06-27 | 2020-12-27 | Tre Esse Progettazione Biomedica S R L | Dispositivo per la rilevazione della pressione venosa |
| CA3124911A1 (en) * | 2020-07-15 | 2022-01-15 | Orthosoft Ulc | Integrated robotic surgery system with tourniquet system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3457909A (en) * | 1966-07-20 | 1969-07-29 | Avco Corp | Heart augmentation system provided with means for measuring intra-arterial pressure |
| US3958577A (en) * | 1971-11-22 | 1976-05-25 | Rodler Ing Hans | Apparatus for treatment with sum currents |
| US3835839A (en) * | 1972-12-08 | 1974-09-17 | Systron Donner Corp | Impedance plethysmograph and flow rate computer adjunct and method for use therewith |
| US3874368A (en) * | 1973-04-19 | 1975-04-01 | Manfred Asrican | Impedance plethysmograph having blocking system |
| US3835840A (en) * | 1973-09-27 | 1974-09-17 | Hope City | Impedance plethysmography method and apparatus |
| US3996924A (en) * | 1974-06-19 | 1976-12-14 | Wheeler H Brownell | Occlusive impedance phlebograph and method therefor |
| US3996925A (en) * | 1975-05-05 | 1976-12-14 | Ljubomir Djordjevich | System for determining characteristics of blood flow |
| JPS51148281A (en) * | 1975-06-13 | 1976-12-20 | Hiroshi Kanai | Electric sphygmometer |
| US3994284A (en) * | 1975-12-31 | 1976-11-30 | Systron Donner Corporation | Flow rate computer adjunct for use with an impedance plethysmograph and method |
-
1977
- 1977-09-07 JP JP10744177A patent/JPS5441584A/ja active Granted
-
1978
- 1978-04-20 CA CA301,614A patent/CA1104373A/en not_active Expired
- 1978-04-21 US US05/898,561 patent/US4204545A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6213013B2 (en, 2012) | 1987-03-23 |
| US4204545A (en) | 1980-05-27 |
| JPS5441584A (en) | 1979-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |