GB2272296B - Medical airway temperature sensor - Google Patents
Medical airway temperature sensorInfo
- Publication number
- GB2272296B GB2272296B GB9322664A GB9322664A GB2272296B GB 2272296 B GB2272296 B GB 2272296B GB 9322664 A GB9322664 A GB 9322664A GB 9322664 A GB9322664 A GB 9322664A GB 2272296 B GB2272296 B GB 2272296B
- Authority
- GB
- United Kingdom
- Prior art keywords
- temperature sensor
- airway temperature
- medical airway
- medical
- sensor
- 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 - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/087—Measuring breath flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/087—Measuring breath flow
- A61B5/0878—Measuring breath flow using temperature sensing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- 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
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
-
- 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
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
-
- 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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
-
- 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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/6965—Circuits therefor, e.g. constant-current flow meters comprising means to store calibration data for flow signal calculation or correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
- G01P13/006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using thermal variables
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Physiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9616513A GB2301440B (en) | 1992-11-04 | 1993-11-03 | Medical airway temperature sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ24500992 | 1992-11-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9322664D0 GB9322664D0 (en) | 1993-12-22 |
GB2272296A GB2272296A (en) | 1994-05-11 |
GB2272296B true GB2272296B (en) | 1997-04-16 |
Family
ID=19924171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9322664A Expired - Lifetime GB2272296B (en) | 1992-11-04 | 1993-11-03 | Medical airway temperature sensor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2272296B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19512111C2 (en) * | 1995-04-03 | 1999-01-07 | Ifm Electronic Gmbh | Heat transfer control and / or measuring device |
IT1284486B1 (en) * | 1996-09-06 | 1998-05-21 | De Longhi Spa | PROCEDURE AND DEVICE FOR THE DETECTION OF A GASEOUS CURRENT |
CA2619893C (en) | 1997-06-17 | 2011-11-15 | Fisher & Paykel Healthcare Limited | Respiratory humidification system |
DE102008024123B3 (en) | 2008-05-17 | 2009-11-19 | Dräger Medical AG & Co. KG | Connection component for a breathing tube with a sensor for measuring the gas flow |
GB201102942D0 (en) | 2011-02-21 | 2011-04-06 | Intersurgical Ag | Improvements related to respiratory apparatus |
ITCO20120067A1 (en) | 2012-12-20 | 2014-06-21 | Nuovo Pignone Srl | MEASUREMENT OF TOTAL PRESSURE AND TOTAL TEMPERATURE IN THE CONDITION OF HUMID GAS |
USD742507S1 (en) | 2013-01-22 | 2015-11-03 | Intersurgical Ag | Sensor with connector for resiratory circuit |
AU2017326905B2 (en) * | 2016-09-16 | 2023-04-27 | Fisher & Paykel Healthcare Limited | Thermistor flow sensor having multiple temperature points |
US20210325260A1 (en) * | 2020-04-17 | 2021-10-21 | Telligent Metrics LLC | Thermistor based respiration measurement |
CN112461294A (en) * | 2020-09-14 | 2021-03-09 | 湖南明康中锦医疗科技发展有限公司 | Temperature and humidity sensor mounting structure and breathing support equipment |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304129A (en) * | 1978-11-13 | 1981-12-08 | Nippon Soken, Inc. | Gas flow measuring apparatus |
US4335605A (en) * | 1980-05-14 | 1982-06-22 | Thermal Instrument Company | Mass flow meter |
GB2143951A (en) * | 1983-07-20 | 1985-02-20 | Bosch Gmbh Robert | Flow rate measuring means |
US4501145A (en) * | 1981-07-13 | 1985-02-26 | Battelle Memorial Institute | Immersion thermal exchange parameter determination |
US4709581A (en) * | 1984-09-07 | 1987-12-01 | Hitachi, Ltd. | Air flow meter |
US4805452A (en) * | 1985-12-04 | 1989-02-21 | Degusa Aktiengesellschaft | Device for the thermal measurement of the mass flow gases and liquids |
US4911008A (en) * | 1988-10-03 | 1990-03-27 | Allied-Signal Inc. | Hot film anemometer |
US5060511A (en) * | 1989-03-31 | 1991-10-29 | Aisan Kogyo Kabushiki Kaisha | Intake air quantity measuring apparatus |
WO1992001940A1 (en) * | 1990-07-17 | 1992-02-06 | Noren Bengt | Method and device for flow rate measurement |
-
1993
- 1993-11-03 GB GB9322664A patent/GB2272296B/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304129A (en) * | 1978-11-13 | 1981-12-08 | Nippon Soken, Inc. | Gas flow measuring apparatus |
US4335605A (en) * | 1980-05-14 | 1982-06-22 | Thermal Instrument Company | Mass flow meter |
US4501145A (en) * | 1981-07-13 | 1985-02-26 | Battelle Memorial Institute | Immersion thermal exchange parameter determination |
GB2143951A (en) * | 1983-07-20 | 1985-02-20 | Bosch Gmbh Robert | Flow rate measuring means |
US4709581A (en) * | 1984-09-07 | 1987-12-01 | Hitachi, Ltd. | Air flow meter |
US4805452A (en) * | 1985-12-04 | 1989-02-21 | Degusa Aktiengesellschaft | Device for the thermal measurement of the mass flow gases and liquids |
US4911008A (en) * | 1988-10-03 | 1990-03-27 | Allied-Signal Inc. | Hot film anemometer |
US5060511A (en) * | 1989-03-31 | 1991-10-29 | Aisan Kogyo Kabushiki Kaisha | Intake air quantity measuring apparatus |
WO1992001940A1 (en) * | 1990-07-17 | 1992-02-06 | Noren Bengt | Method and device for flow rate measurement |
Non-Patent Citations (2)
Title |
---|
"An electronically switched flow-meter and temperature sensor etc." pp 108-111 * |
Journal of Physics, E, Scientific Instruments vol.21(1988) (Bristol UK) I.M.Katz & E.J.Shaughnessy * |
Also Published As
Publication number | Publication date |
---|---|
GB9322664D0 (en) | 1993-12-22 |
GB2272296A (en) | 1994-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20131102 |