DE1766121A1 - Durchflussmengen-Messschreiber fuer Blutgefaesse - Google Patents
Durchflussmengen-Messschreiber fuer BlutgefaesseInfo
- Publication number
- DE1766121A1 DE1766121A1 DE19681766121 DE1766121A DE1766121A1 DE 1766121 A1 DE1766121 A1 DE 1766121A1 DE 19681766121 DE19681766121 DE 19681766121 DE 1766121 A DE1766121 A DE 1766121A DE 1766121 A1 DE1766121 A1 DE 1766121A1
- Authority
- DE
- Germany
- Prior art keywords
- flow rate
- voltage
- circuit
- pulse
- frequency
- 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.)
- Pending
Links
- 210000004204 blood vessel Anatomy 0.000 title claims description 9
- 238000005259 measurement Methods 0.000 claims description 19
- 210000003743 erythrocyte Anatomy 0.000 claims description 5
- 230000005012 migration Effects 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
- 230000004069 differentiation Effects 0.000 claims description 2
- 238000002592 echocardiography Methods 0.000 claims 1
- 230000001629 suppression Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 8
- 230000017531 blood circulation Effects 0.000 description 8
- 210000004369 blood Anatomy 0.000 description 7
- 239000008280 blood Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000002615 epidermis Anatomy 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 206010033675 panniculitis Diseases 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 210000003491 skin Anatomy 0.000 description 2
- 210000004304 subcutaneous tissue Anatomy 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 229920001817 Agar Polymers 0.000 description 1
- 241000206672 Gelidium Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 235000010419 agar Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/663—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR102018A FR1539652A (fr) | 1967-04-07 | 1967-04-07 | Débitmètre enregistreur pour vaisseau sanguin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1766121A1 true DE1766121A1 (de) | 1971-07-01 |
Family
ID=8628443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681766121 Pending DE1766121A1 (de) | 1967-04-07 | 1968-04-05 | Durchflussmengen-Messschreiber fuer Blutgefaesse |
Country Status (9)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2406630A1 (de) * | 1973-02-16 | 1974-08-22 | Hoffmann La Roche | Verfahren und vorrichtung zur durchflussgeschwindigkeitsmessung |
| DE3737593A1 (de) * | 1986-11-06 | 1988-05-19 | Toshiba Kawasaki Kk | Ultraschall-sondenvorrichtung |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1308451A (en) * | 1969-03-05 | 1973-02-21 | Nat Res Dev | Blood flow measurement |
| DE1758104A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-01-10 | |||
| US3782193A (en) * | 1972-06-06 | 1974-01-01 | Westinghouse Electric Corp | Flowmeter apparatus |
| AU492512B2 (en) * | 1973-05-15 | 1978-04-19 | Commonwealth Of Australia, The | Measurement of liquid flow |
| GB1505823A (en) * | 1974-05-04 | 1978-03-30 | Nat Res Dev | Ultrasonic flowmeter |
| DE2461264C3 (de) * | 1974-12-23 | 1978-06-01 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Vorrichtung für die Messung des Volumenstroms strömender Medien |
| NL7601189A (nl) * | 1975-03-05 | 1976-09-07 | Siemens Ag | Inrichting voor het uitvoeren van dwarsdoorsnede- metingen bij leidingen door welke leidingen vloei- stoffen kunnen stromen, meer in het bijzonder bloedvaten, volgens de ultrasone doppler-methode. |
| DE2555134C2 (de) * | 1975-12-08 | 1977-12-29 | Siemens AG, 1000 Berlin und 8000 München | Gerät für Strömungsmessungen nach der Ultraschall-Doppler-Methode |
| US4152928A (en) * | 1977-05-02 | 1979-05-08 | University Patents, Inc. | System for detecting fat particles in blood |
| US4259870A (en) * | 1979-02-26 | 1981-04-07 | Howmedica Inc. | Doppler method of measuring flow |
| US4313444A (en) * | 1979-05-14 | 1982-02-02 | New York Institute Of Technology | Method and apparatus for ultrasonic Doppler detection |
| US4280365A (en) * | 1979-10-10 | 1981-07-28 | Leeds & Northrup Company | Ultrasonic Doppler flowmeter with correction for vibratory signals at zero-flow conditions |
| EP0035325B1 (en) * | 1980-02-29 | 1985-04-24 | National Research Development Corporation | Apparatus for measuring the cross-sectional area of a duct and the volume flow rate of fluid in the duct |
| FI67627C (fi) * | 1981-10-19 | 1985-04-10 | Eino Haerkoenen | Foerfarande och anordning foer maetning av stroemningshastigheten i stroemmen av uppslamningar genom utnyttjandet av ultraljud |
| US4442719A (en) * | 1982-01-11 | 1984-04-17 | Allen Ollie J | Acoustic flowmeter |
| DE3650192T3 (de) * | 1985-05-09 | 1999-08-05 | Met-Flow S.A., Lausanne | Gerät zum Bestimmen von Geschwindigkeiten mittels Ultraschall-Doppler-Echographie im Inneren eines sich bewegenden Fluids |
| US4733669A (en) * | 1985-05-24 | 1988-03-29 | Cardiometrics, Inc. | Blood flow measurement catheter |
| US4856529A (en) * | 1985-05-24 | 1989-08-15 | Cardiometrics, Inc. | Ultrasonic pulmonary artery catheter and method |
| US4721113A (en) * | 1985-09-20 | 1988-01-26 | Temple University Of The Commonwealth System Of Higher Education | Method of predicting the occurrence of deep vein thrombosis by non-invasive measurement of vessel diameter |
| US4807636A (en) * | 1986-09-09 | 1989-02-28 | Vital Science Corporation | Method and apparatus for measuring volume fluid flow |
| US4757821A (en) * | 1986-11-12 | 1988-07-19 | Corazonix Corporation | Omnidirectional ultrasonic probe |
| US5315880A (en) * | 1992-08-13 | 1994-05-31 | Henry Filters, Inc. | Method for measuring fluid velocity by measuring the Doppler frequency shift or microwave signals |
| GB2291191A (en) * | 1994-07-07 | 1996-01-17 | Mark Steven Whiteley | Hand held doppler probe |
| US5986553A (en) * | 1997-03-04 | 1999-11-16 | Gyco, Inc. | Flow meter that measures solid particulate flow |
| EP3493745B1 (en) | 2016-08-05 | 2021-11-03 | Cimon Medical AS | Ultrasound blood-flow monitoring |
| US11717255B2 (en) | 2016-08-05 | 2023-08-08 | Cimon Medical As | Ultrasound blood-flow monitoring |
| CN108241073B (zh) * | 2017-12-29 | 2019-11-26 | 浙江清环智慧科技有限公司 | 一种超声波流速计设计方法及超声波流速计 |
| GB2570131A (en) | 2018-01-11 | 2019-07-17 | Imperial Innovations Ltd | Fluid flow analysis |
| AU2019218655B2 (en) | 2018-02-07 | 2024-05-02 | Cimon Medical AS - Org.Nr.923156445 | Ultrasound blood-flow monitoring |
| US12066312B2 (en) * | 2018-12-21 | 2024-08-20 | Aenitis Technologies | Method and device for determining a flow rate and/or a concentration of particles of a fluid |
-
1967
- 1967-04-07 FR FR102018A patent/FR1539652A/fr not_active Expired
-
1968
- 1968-03-25 BE BE712728D patent/BE712728A/xx not_active IP Right Cessation
- 1968-03-27 LU LU55771D patent/LU55771A1/xx unknown
- 1968-03-29 GB GB05375/68A patent/GB1210476A/en not_active Expired
- 1968-04-03 NL NL6804644A patent/NL6804644A/xx unknown
- 1968-04-05 DE DE19681766121 patent/DE1766121A1/de active Pending
- 1968-04-05 NO NO01337/68A patent/NO126773B/no unknown
- 1968-04-05 SE SE04665/68A patent/SE350600B/xx unknown
- 1968-04-08 US US719591A patent/US3554030A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2406630A1 (de) * | 1973-02-16 | 1974-08-22 | Hoffmann La Roche | Verfahren und vorrichtung zur durchflussgeschwindigkeitsmessung |
| DE3737593A1 (de) * | 1986-11-06 | 1988-05-19 | Toshiba Kawasaki Kk | Ultraschall-sondenvorrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| BE712728A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-09-25 |
| NO126773B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-26 |
| SE350600B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-10-30 |
| NL6804644A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-10-08 |
| GB1210476A (en) | 1970-10-28 |
| FR1539652A (fr) | 1968-09-20 |
| LU55771A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-10-22 |
| US3554030A (en) | 1971-01-12 |
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