FR2311309A1 - Sonde de mesure du debit d'un fluide a faibles fluctuations de temperature - Google Patents
Sonde de mesure du debit d'un fluide a faibles fluctuations de temperatureInfo
- Publication number
- FR2311309A1 FR2311309A1 FR7515294A FR7515294A FR2311309A1 FR 2311309 A1 FR2311309 A1 FR 2311309A1 FR 7515294 A FR7515294 A FR 7515294A FR 7515294 A FR7515294 A FR 7515294A FR 2311309 A1 FR2311309 A1 FR 2311309A1
- Authority
- FR
- France
- Prior art keywords
- resistor
- flow velocity
- blood
- thermistors
- catheter
- 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.)
- Granted
Links
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
-
- 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
- A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
- A61B5/028—Measuring blood flow using tracers, e.g. dye dilution by thermo-dilution
-
- 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
- G01F1/68—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 using thermal effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
- G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid Mechanics (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7515294A FR2311309A1 (fr) | 1975-05-12 | 1975-05-12 | Sonde de mesure du debit d'un fluide a faibles fluctuations de temperature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7515294A FR2311309A1 (fr) | 1975-05-12 | 1975-05-12 | Sonde de mesure du debit d'un fluide a faibles fluctuations de temperature |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2311309A1 true FR2311309A1 (fr) | 1976-12-10 |
FR2311309B1 FR2311309B1 (fr) | 1978-02-03 |
Family
ID=9155311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7515294A Granted FR2311309A1 (fr) | 1975-05-12 | 1975-05-12 | Sonde de mesure du debit d'un fluide a faibles fluctuations de temperature |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2311309A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107427244A (zh) * | 2015-01-05 | 2017-12-01 | 尼普洛株式会社 | 血流计及测定装置 |
-
1975
- 1975-05-12 FR FR7515294A patent/FR2311309A1/fr active Granted
Non-Patent Citations (1)
Title |
---|
REVUE GB: "MEDICAL AND BIOLOGICAL ENGINEERING", VOLUME 11, MARS 1973, NO. 2, PAGES 201 A 205, A.L.DELAUNOIS, "THERMAL METHOD FOR CONTINUOUS BLOOD-VELOCITY MEASUREMENTS IN LARGE BLOOD VESSELS, AND CARDIAC-OUTPUT DETERMINATION".) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107427244A (zh) * | 2015-01-05 | 2017-12-01 | 尼普洛株式会社 | 血流计及测定装置 |
EP3243432A4 (fr) * | 2015-01-05 | 2018-08-22 | Nipro Corporation | Débitmètre sanguin et dispositif de mesure |
US11330990B2 (en) | 2015-01-05 | 2022-05-17 | Nipro Corporation | Blood flow meter and measurement device |
Also Published As
Publication number | Publication date |
---|---|
FR2311309B1 (fr) | 1978-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |