JP2514749B2 - 小型圧力センサ - Google Patents

小型圧力センサ

Info

Publication number
JP2514749B2
JP2514749B2 JP2502399A JP50239990A JP2514749B2 JP 2514749 B2 JP2514749 B2 JP 2514749B2 JP 2502399 A JP2502399 A JP 2502399A JP 50239990 A JP50239990 A JP 50239990A JP 2514749 B2 JP2514749 B2 JP 2514749B2
Authority
JP
Japan
Prior art keywords
pressure sensor
shell
beam structure
sensor according
light guide
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
Application number
JP2502399A
Other languages
English (en)
Japanese (ja)
Other versions
JPH04505049A (ja
Inventor
テイネルス，ラルス
フォーク，ベルティル
Original Assignee
ラディ・メディカル・システムズ・アクチェボラーグ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ラディ・メディカル・システムズ・アクチェボラーグ filed Critical ラディ・メディカル・システムズ・アクチェボラーグ
Publication of JPH04505049A publication Critical patent/JPH04505049A/ja
Application granted granted Critical
Publication of JP2514749B2 publication Critical patent/JP2514749B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01L9/0076—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)
JP2502399A 1989-01-13 1990-01-12 小型圧力センサ Expired - Lifetime JP2514749B2 (ja)

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
SE8900121-8 1989-01-13

Publications (2)

Publication Number Publication Date
JPH04505049A JPH04505049A (ja) 1992-09-03
JP2514749B2 true JP2514749B2 (ja) 1996-07-10

Family

ID=20374751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2502399A Expired - Lifetime JP2514749B2 (ja) 1989-01-13 1990-01-12 小型圧力センサ

Country Status (6)

Country Link
US (1) US5195375A ( )
EP (1) EP0473582B1 ( )
JP (1) JP2514749B2 ( )
DE (1) DE69022988T2 ( )
SE (1) SE462631B ( )
WO (1) WO1990007906A1 ( )

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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
CA2198909A1 (en) 1994-09-02 1996-03-14 Robert Z. Obara Ultra miniature pressure sensor and guidewire using the same and method
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
US20020138021A1 (en) * 2001-03-23 2002-09-26 Devonrex, Inc. Micro-invasive tissue removal device
US20020138091A1 (en) * 2001-03-23 2002-09-26 Devonrex, Inc. Micro-invasive nucleotomy device and method
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
EP2475965A1 (en) * 2009-09-08 2012-07-18 Vereniging voor Christelijk Hoger Onderwijs, Wetenschappelijk Onderzoek en Patiëntenzorg 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
CN106913358B (zh) 2011-05-31 2021-08-20 光学实验室成像公司 多模式成像系统、设备和方法
US8764685B2 (en) * 2011-06-14 2014-07-01 Abatis Medical Technologies Limited Biomedical interface pressure transducer for medical tourniquets
US10648918B2 (en) 2011-08-03 2020-05-12 Lightlab Imaging, Inc. Systems, methods and apparatus for determining a fractional flow reserve (FFR) based on the minimum lumen area (MLA) and the constant
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
US11172833B2 (en) 2012-05-25 2021-11-16 Phyzhon Health Inc. Optical fiber pressure sensor guidewire
WO2015051003A1 (en) 2013-10-04 2015-04-09 Vascular Imaging Corporation Imaging techniques using an imaging guidewire
US10130269B2 (en) 2013-11-14 2018-11-20 Medtronic Vascular, Inc Dual lumen catheter for providing a vascular pressure measurement
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
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
EP3125751B1 (en) 2014-04-04 2021-07-14 St. Jude Medical Systems AB Intravascular pressure and flow data diagnostic system
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
US10201284B2 (en) 2014-06-16 2019-02-12 Medtronic Vascular Inc. Pressure measuring catheter having reduced error from bending stresses
DE102014219262A1 (de) * 2014-09-24 2016-03-24 Conti Temic Microelectronic Gmbh Optische Druckmesseinrichtung
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
US11219741B2 (en) 2017-08-09 2022-01-11 Medtronic Vascular, Inc. Collapsible catheter and method for calculating fractional flow reserve
US11235124B2 (en) 2017-08-09 2022-02-01 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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789667A (en) 1972-02-14 1974-02-05 Ladd Res Ind Inc Fiber optic pressure detector

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789667A (en) 1972-02-14 1974-02-05 Ladd Res Ind Inc Fiber optic pressure detector

Also Published As

Publication number Publication date
US5195375A (en) 1993-03-23
SE8900121L (sv) 1990-07-14
WO1990007906A1 (en) 1990-07-26
SE8900121D0 (sv) 1989-01-13
JPH04505049A (ja) 1992-09-03
EP0473582B1 (en) 1995-10-11
DE69022988T2 (de) 1996-05-23
SE462631B (sv) 1990-07-30
DE69022988D1 (de) 1995-11-16
EP0473582A1 (en) 1992-03-11

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