DE69022988T2 - Miniaturdrucksensor. - Google Patents
Miniaturdrucksensor.Info
- Publication number
- DE69022988T2 DE69022988T2 DE69022988T DE69022988T DE69022988T2 DE 69022988 T2 DE69022988 T2 DE 69022988T2 DE 69022988 T DE69022988 T DE 69022988T DE 69022988 T DE69022988 T DE 69022988T DE 69022988 T2 DE69022988 T2 DE 69022988T2
- Authority
- DE
- Germany
- Prior art keywords
- pressure sensor
- light guide
- sensor according
- casing
- opening
- 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 - Fee Related
Links
- 239000012528 membrane Substances 0.000 claims description 24
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- 238000005530 etching Methods 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims 1
- 238000012625 in-situ measurement Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 239000013307 optical fiber Substances 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
- G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
-
- 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
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
- A61B5/02154—Measuring pressure in heart or blood vessels by means inserted into the body by optical transmission
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Physiology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8900121A SE462631B (sv) | 1989-01-13 | 1989-01-13 | Miniatyriserad trycksensor foer fysiologiska maetningar in situ |
PCT/SE1990/000027 WO1990007906A1 (en) | 1989-01-13 | 1990-01-12 | Miniaturized pressure sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69022988D1 DE69022988D1 (de) | 1995-11-16 |
DE69022988T2 true DE69022988T2 (de) | 1996-05-23 |
Family
ID=20374751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69022988T Expired - Fee Related DE69022988T2 (de) | 1989-01-13 | 1990-01-12 | Miniaturdrucksensor. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5195375A ( ) |
EP (1) | EP0473582B1 ( ) |
JP (1) | JP2514749B2 ( ) |
DE (1) | DE69022988T2 ( ) |
SE (1) | SE462631B ( ) |
WO (1) | WO1990007906A1 ( ) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014219262A1 (de) * | 2014-09-24 | 2016-03-24 | Conti Temic Microelectronic Gmbh | Optische Druckmesseinrichtung |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5711291A (en) * | 1992-06-29 | 1998-01-27 | Minnesota Mining And Manufacturing Company | Blood pressure transducer |
US5348019A (en) * | 1992-09-18 | 1994-09-20 | The Board Of Regents Of The University Of Oklahoma | Optical fiber pressure sensing catheter |
US5425371A (en) * | 1992-10-05 | 1995-06-20 | Metatech Corporation | Fiberoptic pressure transducer |
US5450853A (en) * | 1993-10-22 | 1995-09-19 | Scimed Life Systems, Inc. | Pressure sensor |
US6052613A (en) * | 1993-06-18 | 2000-04-18 | Terumo Cardiovascular Systems Corporation | Blood pressure transducer |
SE9302183D0 (sv) * | 1993-06-23 | 1993-06-23 | Radi Medical Systems Ab | Apparatus and method for in vivo monitoring of physiological pressures |
DE69534748T2 (de) | 1994-09-02 | 2006-11-02 | Volcano Corp. (n.d, Ges.d.Staates Delaware), Rancho Cordova | Ultraminiatur-druckfühler und leitdraht hierfür |
ES2131016B1 (es) * | 1997-09-16 | 2000-03-01 | Univ Madrid Politecnica | Dispositivo para proteccion y mejora de la implantacion de sensores y actuadores en piezas de materiales compuestos. |
DE69828203T2 (de) | 1998-07-03 | 2005-12-15 | Abatis Medical Technologies Ltd., Killaloe | Planarer wandler zum messen von biomedizinischen drucken |
WO2003048688A2 (en) * | 2001-12-06 | 2003-06-12 | Nexense Ltd. | Method and apparatus for making high-precision measurements |
US6673023B2 (en) | 2001-03-23 | 2004-01-06 | Stryker Puerto Rico Limited | Micro-invasive breast biopsy device |
US20020138091A1 (en) * | 2001-03-23 | 2002-09-26 | Devonrex, Inc. | Micro-invasive nucleotomy device and method |
US20020138021A1 (en) * | 2001-03-23 | 2002-09-26 | Devonrex, Inc. | Micro-invasive tissue removal device |
US6585660B2 (en) | 2001-05-18 | 2003-07-01 | Jomed Inc. | Signal conditioning device for interfacing intravascular sensors having varying operational characteristics to a physiology monitor |
US6702847B2 (en) * | 2001-06-29 | 2004-03-09 | Scimed Life Systems, Inc. | Endoluminal device with indicator member for remote detection of endoleaks and/or changes in device morphology |
US6663570B2 (en) * | 2002-02-27 | 2003-12-16 | Volcano Therapeutics, Inc. | Connector for interfacing intravascular sensors to a physiology monitor |
US7134994B2 (en) | 2002-05-20 | 2006-11-14 | Volcano Corporation | Multipurpose host system for invasive cardiovascular diagnostic measurement acquisition and display |
IL166760A0 (en) * | 2004-05-13 | 2006-01-15 | Nexense Ltd | Method and apparatus for non-invasively monitoringconcentrations of glucose or other target substan ces |
US20060116602A1 (en) * | 2004-12-01 | 2006-06-01 | Alden Dana A | Medical sensing device and system |
US7686768B2 (en) * | 2005-11-23 | 2010-03-30 | Vital Sensors Holding Company, Inc. | Implantable pressure monitor |
US7682313B2 (en) * | 2005-11-23 | 2010-03-23 | Vital Sensors Holding Company, Inc. | Implantable pressure monitor |
WO2011031142A1 (en) * | 2009-09-08 | 2011-03-17 | Vereniging Voor Christelijk Hoger Onderwijs, Weleuschappelijk Onderzoek En Patientenzorg | Optical fiber, method of preparation thereof and device |
US8478384B2 (en) | 2010-01-19 | 2013-07-02 | Lightlab Imaging, Inc. | Intravascular optical coherence tomography system with pressure monitoring interface and accessories |
US9610064B2 (en) | 2011-05-31 | 2017-04-04 | Desmond Adler | Multimodal imaging system, apparatus, and methods |
US8764685B2 (en) * | 2011-06-14 | 2014-07-01 | Abatis Medical Technologies Limited | Biomedical interface pressure transducer for medical tourniquets |
WO2013019840A1 (en) | 2011-08-03 | 2013-02-07 | Lightlab Imaging, Inc. | Systems, methods and apparatus for determining a fractional flow reserve |
US10888232B2 (en) | 2011-08-20 | 2021-01-12 | Philips Image Guided Therapy Corporation | Devices, systems, and methods for assessing a vessel |
US9339348B2 (en) | 2011-08-20 | 2016-05-17 | Imperial Colege of Science, Technology and Medicine | Devices, systems, and methods for assessing a vessel |
CA2911446C (en) | 2012-05-25 | 2020-10-13 | Vascular Imaging Corporation | Optical fiber pressure sensor |
US10327645B2 (en) | 2013-10-04 | 2019-06-25 | Vascular Imaging Corporation | Imaging techniques using an imaging guidewire |
US9877660B2 (en) | 2013-11-14 | 2018-01-30 | Medtronic Vascular Galway | Systems and methods for determining fractional flow reserve without adenosine or other pharmalogical agent |
US10130269B2 (en) | 2013-11-14 | 2018-11-20 | Medtronic Vascular, Inc | Dual lumen catheter for providing a vascular pressure measurement |
US10537255B2 (en) | 2013-11-21 | 2020-01-21 | Phyzhon Health Inc. | Optical fiber pressure sensor |
US9757273B2 (en) | 2013-12-20 | 2017-09-12 | Novartis Ag | Tissue-sensing vitrectomy surgical systems and methods |
US9913585B2 (en) | 2014-01-15 | 2018-03-13 | Medtronic Vascular, Inc. | Catheter for providing vascular pressure measurements |
CA3186992A1 (en) | 2014-04-04 | 2015-10-08 | St. Jude Medical Systems Ab | Intravascular pressure and flow data diagnostic systems, devices, and methods |
US10201284B2 (en) | 2014-06-16 | 2019-02-12 | Medtronic Vascular Inc. | Pressure measuring catheter having reduced error from bending stresses |
US10973418B2 (en) | 2014-06-16 | 2021-04-13 | Medtronic Vascular, Inc. | Microcatheter sensor design for minimizing profile and impact of wire strain on sensor |
US11330989B2 (en) | 2014-06-16 | 2022-05-17 | Medtronic Vascular, Inc. | Microcatheter sensor design for mounting sensor to minimize induced strain |
US10258240B1 (en) | 2014-11-24 | 2019-04-16 | Vascular Imaging Corporation | Optical fiber pressure sensor |
US10194812B2 (en) | 2014-12-12 | 2019-02-05 | Medtronic Vascular, Inc. | System and method of integrating a fractional flow reserve device with a conventional hemodynamic monitoring system |
US9464958B2 (en) | 2015-01-16 | 2016-10-11 | Bell Helicopter Textron Inc. | Dynamic center of gravity determination |
US11272850B2 (en) | 2016-08-09 | 2022-03-15 | Medtronic Vascular, Inc. | Catheter and method for calculating fractional flow reserve |
US11330994B2 (en) | 2017-03-08 | 2022-05-17 | Medtronic Vascular, Inc. | Reduced profile FFR catheter |
US10646122B2 (en) | 2017-04-28 | 2020-05-12 | Medtronic Vascular, Inc. | FFR catheter with covered distal pressure sensor and method of manufacture |
US11235124B2 (en) | 2017-08-09 | 2022-02-01 | Medtronic Vascular, Inc. | Collapsible catheter and method for calculating fractional flow reserve |
US11219741B2 (en) | 2017-08-09 | 2022-01-11 | Medtronic Vascular, Inc. | Collapsible catheter and method for calculating fractional flow reserve |
US11185244B2 (en) | 2018-08-13 | 2021-11-30 | Medtronic Vascular, Inc. | FFR catheter with suspended pressure sensor |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3789667A (en) * | 1972-02-14 | 1974-02-05 | Ladd Res Ind Inc | Fiber optic pressure detector |
US4548205A (en) * | 1982-10-27 | 1985-10-22 | Armeniades C D | Ophthalmic instrument for measuring intraocular fluid pressure |
US4543961A (en) * | 1983-11-14 | 1985-10-01 | Cordis Corporation | Data transmission system |
US4611600A (en) * | 1983-11-21 | 1986-09-16 | Cordis Corporation | Optical fiber pressure transducer |
SE441725B (sv) * | 1985-01-10 | 1985-11-04 | Bertil Hok | System for fysiologiska tryckregistreringar |
SE453561B (sv) * | 1986-06-25 | 1988-02-15 | Radisensor Ab | Miniatyriserad sensor for fysiologiska tryckmetningar |
US4727730A (en) * | 1986-07-10 | 1988-03-01 | Medex, Inc. | Integrated optic system for monitoring blood pressure |
US4711246A (en) * | 1986-09-02 | 1987-12-08 | Fiberoptic Sensor Technologies, Inc. | Fiber optic coupled pressure transducer using single fiber and method of fabrication |
JP2741861B2 (ja) * | 1988-02-26 | 1998-04-22 | 株式会社日立製作所 | 振動子 |
SE8801517L (sv) * | 1988-04-22 | 1989-10-23 | Radisensor Ab | Kateter foer intravaskulaer tryckmaetning |
SE460396B (sv) * | 1988-07-29 | 1989-10-09 | Radisensor Ab | Miniatyriserad givaranordning foer maetning av fysiologiska tryck in vivo |
US4991590A (en) * | 1989-01-30 | 1991-02-12 | Martin Goffman Associates | Fiber optic intravascular blood pressure transducer |
-
1989
- 1989-01-13 SE SE8900121A patent/SE462631B/sv not_active IP Right Cessation
-
1990
- 1990-01-12 WO PCT/SE1990/000027 patent/WO1990007906A1/en active IP Right Grant
- 1990-01-12 EP EP90901923A patent/EP0473582B1/en not_active Expired - Lifetime
- 1990-01-12 DE DE69022988T patent/DE69022988T2/de not_active Expired - Fee Related
- 1990-01-12 US US07/721,508 patent/US5195375A/en not_active Expired - Lifetime
- 1990-01-12 JP JP2502399A patent/JP2514749B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014219262A1 (de) * | 2014-09-24 | 2016-03-24 | Conti Temic Microelectronic Gmbh | Optische Druckmesseinrichtung |
Also Published As
Publication number | Publication date |
---|---|
EP0473582A1 (en) | 1992-03-11 |
WO1990007906A1 (en) | 1990-07-26 |
DE69022988D1 (de) | 1995-11-16 |
JPH04505049A (ja) | 1992-09-03 |
SE462631B (sv) | 1990-07-30 |
US5195375A (en) | 1993-03-23 |
EP0473582B1 (en) | 1995-10-11 |
SE8900121L (sv) | 1990-07-14 |
SE8900121D0 (sv) | 1989-01-13 |
JP2514749B2 (ja) | 1996-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |