ES2037246T3 - Transductor de presion con puente de polimero conductor. - Google Patents
Transductor de presion con puente de polimero conductor.Info
- Publication number
- ES2037246T3 ES2037246T3 ES198888311847T ES88311847T ES2037246T3 ES 2037246 T3 ES2037246 T3 ES 2037246T3 ES 198888311847 T ES198888311847 T ES 198888311847T ES 88311847 T ES88311847 T ES 88311847T ES 2037246 T3 ES2037246 T3 ES 2037246T3
- Authority
- ES
- Spain
- Prior art keywords
- conductive polymer
- pressure transducer
- polymer bridge
- bridge
- molded
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
- G01L9/0055—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements bonded on a diaphragm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
- Measurement Of Force In General (AREA)
- Pressure Sensors (AREA)
Abstract
UN TRANSFORMADOR DE PRESION TIENE UNA PARTE CENTRAL DELGADA FORMADA DE UNA RESINA TERMOPLASTICA MOLDEADA. UN POLIMERO CONDUCTOR FORMA LOS ELEMENTOS RESISTENTES DE UN PUENTE DE WHEATSTONE IMPRESO Y COCIDO EN EL SUBSTRATO MOLDEADO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/132,014 US4852581A (en) | 1987-12-14 | 1987-12-14 | Pressure transducer with conductive polymer bridge |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2037246T3 true ES2037246T3 (es) | 1993-06-16 |
Family
ID=22452040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888311847T Expired - Lifetime ES2037246T3 (es) | 1987-12-14 | 1988-12-14 | Transductor de presion con puente de polimero conductor. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4852581A (es) |
EP (1) | EP0321225B1 (es) |
AT (1) | ATE84145T1 (es) |
CA (1) | CA1313060C (es) |
DE (1) | DE3877170T2 (es) |
DK (1) | DK693688A (es) |
ES (1) | ES2037246T3 (es) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6241704B1 (en) | 1901-11-22 | 2001-06-05 | Sims Deltec, Inc. | Drug pump systems and methods |
US5935099A (en) | 1992-09-09 | 1999-08-10 | Sims Deltec, Inc. | Drug pump systems and methods |
US4974596A (en) * | 1987-12-14 | 1990-12-04 | Medex, Inc. | Transducer with conductive polymer bridge |
DE3937522A1 (de) * | 1989-11-10 | 1991-05-16 | Texas Instruments Deutschland | Mit einem traegerelement verbundener halbleiter-drucksensor |
DE4008320A1 (de) * | 1990-03-15 | 1991-09-19 | Bosch Gmbh Robert | Drucksensor |
DE4024780A1 (de) * | 1990-08-04 | 1991-10-17 | Bosch Gmbh Robert | Keramikmembran-drucksensor |
US5131401A (en) * | 1990-09-10 | 1992-07-21 | Axon Medical Inc. | Method and apparatus for monitoring neuromuscular blockage |
US5163327A (en) * | 1991-01-10 | 1992-11-17 | Johnson Service Company | Pressure sensing elements |
US5349867A (en) * | 1991-12-02 | 1994-09-27 | Kavlico Corporation | Sensitive resistive pressure transducer |
FR2685080B1 (fr) * | 1991-12-17 | 1995-09-01 | Thomson Csf | Capteur mecanique comprenant un film de polymere. |
CH683034A5 (de) * | 1992-03-17 | 1993-12-31 | Landis & Gyr Business Support | Membraneinheit für einen Drucksensor. |
US5581019A (en) * | 1992-07-16 | 1996-12-03 | W. L. Gore & Associates, Inc. | Gasket/insertable member and method for making and using same |
DE4236985C1 (de) * | 1992-11-04 | 1994-02-24 | Hottinger Messtechnik Baldwin | Dehnungsmeßstreifen |
WO1995006205A1 (en) * | 1993-08-23 | 1995-03-02 | W.L. Gore & Associates, Inc. | Pre-failure warning pump diaphragm |
US5695473A (en) * | 1994-07-27 | 1997-12-09 | Sims Deltec, Inc. | Occlusion detection system for an infusion pump |
US6077055A (en) * | 1998-12-03 | 2000-06-20 | Sims Deltec, Inc. | Pump system including cassette sensor and occlusion sensor |
DE10024118A1 (de) * | 2000-05-18 | 2001-11-29 | Freudenberg Carl Fa | Einrichtung zur Überwachung der Unversehrtheit einer Membran |
DE10040069C2 (de) * | 2000-08-16 | 2003-05-08 | Oechsler Ag | Biegemeßelement und Verwendung in einem Drehwinkelgeber |
US8250483B2 (en) | 2002-02-28 | 2012-08-21 | Smiths Medical Asd, Inc. | Programmable medical infusion pump displaying a banner |
US8504179B2 (en) | 2002-02-28 | 2013-08-06 | Smiths Medical Asd, Inc. | Programmable medical infusion pump |
AUPS264302A0 (en) * | 2002-05-29 | 2002-06-20 | Neopraxis Pty Ltd | Implantable bladder sensor |
WO2004028348A2 (en) * | 2002-09-26 | 2004-04-08 | Savacor, Inc. | Cardiovascular anchoring device and method of deploying same |
US8303511B2 (en) * | 2002-09-26 | 2012-11-06 | Pacesetter, Inc. | Implantable pressure transducer system optimized for reduced thrombosis effect |
DE10252023B3 (de) * | 2002-11-06 | 2004-07-15 | Metallux Gmbh | Drucksensor |
DE10260577B4 (de) * | 2002-12-21 | 2005-07-28 | Sartorius Hamburg Gmbh | Dehnungsmessstreifen mit veränderbarem Nennwiderstand |
DE102004008432B4 (de) * | 2004-02-19 | 2015-05-28 | Hottinger Baldwin Messtechnik Gmbh | Dehnungsmessstreifen zur Erfassung von Dehnungen oder Stauchungen an Verformungskörpern |
US8954336B2 (en) | 2004-02-23 | 2015-02-10 | Smiths Medical Asd, Inc. | Server for medical device |
WO2007023169A1 (de) * | 2005-08-23 | 2007-03-01 | Continental Teves Ag & Co. Ohg | Drucksensoreinheit |
US7318351B2 (en) | 2005-10-05 | 2008-01-15 | Honeywell International Inc. | Pressure sensor |
US8858526B2 (en) | 2006-08-03 | 2014-10-14 | Smiths Medical Asd, Inc. | Interface for medical infusion pump |
US8435206B2 (en) | 2006-08-03 | 2013-05-07 | Smiths Medical Asd, Inc. | Interface for medical infusion pump |
US8965707B2 (en) | 2006-08-03 | 2015-02-24 | Smiths Medical Asd, Inc. | Interface for medical infusion pump |
US8149131B2 (en) | 2006-08-03 | 2012-04-03 | Smiths Medical Asd, Inc. | Interface for medical infusion pump |
DE102007011472A1 (de) | 2007-03-07 | 2008-09-11 | Metallux Ag | Drucksensitive Membran für einen elektronischen Sensor |
DE102007000364B4 (de) * | 2007-07-03 | 2020-10-15 | Wika Alexander Wiegand Gmbh & Co. Kg | Manometer mit elektrischem Messwertaufnehmer |
US8133197B2 (en) | 2008-05-02 | 2012-03-13 | Smiths Medical Asd, Inc. | Display for pump |
US20100102261A1 (en) * | 2008-10-28 | 2010-04-29 | Microfluidic Systems, Inc. | Microfluidic valve mechanism |
TWI446373B (zh) | 2010-10-14 | 2014-07-21 | Ind Tech Res Inst | 壓阻材料的製造方法、壓阻組成物與壓力感測裝置 |
AU2014209383B2 (en) | 2013-01-28 | 2018-08-02 | Smiths Medical Asd, Inc. | Medication safety devices and methods |
US10203258B2 (en) * | 2016-09-26 | 2019-02-12 | Rosemount Inc. | Pressure sensor diaphragm with overpressure protection |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3219035A (en) * | 1963-05-06 | 1965-11-23 | Stanford Research Inst | Blood pressure measuring transducer |
US3341794A (en) * | 1965-07-26 | 1967-09-12 | Statham Instrument Inc | Transducers with substantially linear response characteristics |
US4023562A (en) * | 1975-09-02 | 1977-05-17 | Case Western Reserve University | Miniature pressure transducer for medical use and assembly method |
DE2608381C2 (de) * | 1976-03-01 | 1978-03-30 | Hottinger Baldwin Messtechnik Gmbh, 6100 Darmstadt | Meßumformer |
US4376929A (en) * | 1976-12-27 | 1983-03-15 | Myhre Kjell E | Optimized stress and strain distribution diaphragms |
US4231011A (en) * | 1979-09-24 | 1980-10-28 | University Of Pittsburgh | Discontinuous metal film resistor and strain gauges |
US4333349A (en) * | 1980-10-06 | 1982-06-08 | Kulite Semiconductor Products, Inc. | Binary balancing apparatus for semiconductor transducer structures |
GB2098739B (en) * | 1981-05-16 | 1985-01-16 | Colvern Ltd | Electrical strain gauges |
JPS5844323A (ja) * | 1981-09-09 | 1983-03-15 | Aisin Seiki Co Ltd | 圧力センサ |
JPS58197780A (ja) * | 1982-05-14 | 1983-11-17 | Hitachi Ltd | 半導体圧力変換器 |
FR2579092B1 (fr) * | 1985-03-22 | 1989-06-16 | Univ Toulouse | Capteur implantable de pression intracranienne |
-
1987
- 1987-12-14 US US07/132,014 patent/US4852581A/en not_active Expired - Lifetime
-
1988
- 1988-11-25 CA CA000584179A patent/CA1313060C/en not_active Expired - Fee Related
- 1988-12-13 DK DK693688A patent/DK693688A/da not_active Application Discontinuation
- 1988-12-14 AT AT88311847T patent/ATE84145T1/de not_active IP Right Cessation
- 1988-12-14 ES ES198888311847T patent/ES2037246T3/es not_active Expired - Lifetime
- 1988-12-14 EP EP88311847A patent/EP0321225B1/en not_active Expired - Lifetime
- 1988-12-14 DE DE8888311847T patent/DE3877170T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3877170T2 (de) | 1993-04-29 |
DE3877170D1 (de) | 1993-02-11 |
DK693688A (da) | 1989-06-15 |
ATE84145T1 (de) | 1993-01-15 |
CA1313060C (en) | 1993-01-26 |
DK693688D0 (da) | 1988-12-13 |
EP0321225A3 (en) | 1990-11-07 |
US4852581A (en) | 1989-08-01 |
EP0321225B1 (en) | 1992-12-30 |
EP0321225A2 (en) | 1989-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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