DE1773421A1 - Nadelfoermiger Messwertwandler - Google Patents

Nadelfoermiger Messwertwandler

Info

Publication number
DE1773421A1
DE1773421A1 DE19681773421 DE1773421A DE1773421A1 DE 1773421 A1 DE1773421 A1 DE 1773421A1 DE 19681773421 DE19681773421 DE 19681773421 DE 1773421 A DE1773421 A DE 1773421A DE 1773421 A1 DE1773421 A1 DE 1773421A1
Authority
DE
Germany
Prior art keywords
tube
outer tube
needle
shaped transducer
measuring mechanism
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.)
Pending
Application number
DE19681773421
Other languages
German (de)
English (en)
Inventor
Takewo Chiku
Isemi Igarashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
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 Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Publication of DE1773421A1 publication Critical patent/DE1773421A1/de
Pending legal-status Critical Current

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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0261—Strain gauges

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (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)
  • Measuring Fluid Pressure (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
DE19681773421 1967-05-13 1968-05-13 Nadelfoermiger Messwertwandler Pending DE1773421A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP42030476A JPS4833118B1 (enExample) 1967-05-13 1967-05-13

Publications (1)

Publication Number Publication Date
DE1773421A1 true DE1773421A1 (de) 1972-03-23

Family

ID=12304892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681773421 Pending DE1773421A1 (de) 1967-05-13 1968-05-13 Nadelfoermiger Messwertwandler

Country Status (6)

Country Link
US (1) US3550583A (enExample)
JP (1) JPS4833118B1 (enExample)
DE (1) DE1773421A1 (enExample)
FR (1) FR1562668A (enExample)
GB (2) GB1226998A (enExample)
SE (1) SE353224B (enExample)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5921495B2 (ja) * 1977-12-15 1984-05-21 株式会社豊田中央研究所 細管型圧力計
IT1153144B (it) * 1982-07-30 1987-01-14 Cise Spa Trasduttore perfezionato per la misura della pressione di un fluido in particolare un fluido aggressivo e ad elevata temperatura
US4548205A (en) * 1982-10-27 1985-10-22 Armeniades C D Ophthalmic instrument for measuring intraocular fluid pressure
USRE33518E (en) * 1983-04-29 1991-01-15 Baxter International, Inc. Pressure transducer assembly
US4554927A (en) * 1983-08-30 1985-11-26 Thermometrics Inc. Pressure and temperature sensor
US4577514A (en) * 1984-04-09 1986-03-25 Vanderbilt University Method and apparatus for sampling liquid phase components from a liquid-semisolid fluid
US4722350A (en) * 1984-09-21 1988-02-02 Armeniades C D Ophthalmic instrument for measuring intraocular fluid pressure
US4886070A (en) * 1988-05-11 1989-12-12 Thermometrics, Inc. Method of in vivo calibration of a pressure sensor
US4846191A (en) * 1988-05-27 1989-07-11 Data Sciences, Inc. Device for chronic measurement of internal body pressure
SE460396B (sv) * 1988-07-29 1989-10-09 Radisensor Ab Miniatyriserad givaranordning foer maetning av fysiologiska tryck in vivo
US5353800A (en) * 1992-12-11 1994-10-11 Medtronic, Inc. Implantable pressure sensor lead
JPH09149941A (ja) * 1995-12-01 1997-06-10 Tokai Rika Co Ltd 体内挿入用医療器具のセンサ
IL116685A (en) * 1996-01-05 2000-07-16 Vascular Technologies Ltd Blood vessel entry indicator
US5902248A (en) * 1996-11-06 1999-05-11 Millar Instruments, Inc. Reduced size catheter tip measurement device
US6033366A (en) * 1997-10-14 2000-03-07 Data Sciences International, Inc. Pressure measurement device
US6546787B1 (en) 1999-03-25 2003-04-15 Regents Of The University Of Minnesota Means and method for modeling and treating specific tissue structures
US6394986B1 (en) 1999-11-06 2002-05-28 Millar Instruments, Inc. Pressure sensing module for a catheter pressure transducer
US6673023B2 (en) 2001-03-23 2004-01-06 Stryker Puerto Rico Limited Micro-invasive breast biopsy device
US7775966B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. Non-invasive pressure measurement in a fluid adjustable restrictive device
US7699770B2 (en) 2005-02-24 2010-04-20 Ethicon Endo-Surgery, Inc. Device for non-invasive measurement of fluid pressure in an adjustable restriction device
US7927270B2 (en) 2005-02-24 2011-04-19 Ethicon Endo-Surgery, Inc. External mechanical pressure sensor for gastric band pressure measurements
US7775215B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. System and method for determining implanted device positioning and obtaining pressure data
US7658196B2 (en) 2005-02-24 2010-02-09 Ethicon Endo-Surgery, Inc. System and method for determining implanted device orientation
US8066629B2 (en) 2005-02-24 2011-11-29 Ethicon Endo-Surgery, Inc. Apparatus for adjustment and sensing of gastric band pressure
US8870742B2 (en) 2006-04-06 2014-10-28 Ethicon Endo-Surgery, Inc. GUI for an implantable restriction device and a data logger
US8152710B2 (en) 2006-04-06 2012-04-10 Ethicon Endo-Surgery, Inc. Physiological parameter analysis for an implantable restriction device and a data logger
US8187163B2 (en) 2007-12-10 2012-05-29 Ethicon Endo-Surgery, Inc. Methods for implanting a gastric restriction device
US8100870B2 (en) 2007-12-14 2012-01-24 Ethicon Endo-Surgery, Inc. Adjustable height gastric restriction devices and methods
US8142452B2 (en) 2007-12-27 2012-03-27 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8377079B2 (en) 2007-12-27 2013-02-19 Ethicon Endo-Surgery, Inc. Constant force mechanisms for regulating restriction devices
US8591395B2 (en) 2008-01-28 2013-11-26 Ethicon Endo-Surgery, Inc. Gastric restriction device data handling devices and methods
US8192350B2 (en) 2008-01-28 2012-06-05 Ethicon Endo-Surgery, Inc. Methods and devices for measuring impedance in a gastric restriction system
US8337389B2 (en) 2008-01-28 2012-12-25 Ethicon Endo-Surgery, Inc. Methods and devices for diagnosing performance of a gastric restriction system
US8221439B2 (en) 2008-02-07 2012-07-17 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using kinetic motion
US7844342B2 (en) 2008-02-07 2010-11-30 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using light
US8114345B2 (en) 2008-02-08 2012-02-14 Ethicon Endo-Surgery, Inc. System and method of sterilizing an implantable medical device
US8057492B2 (en) 2008-02-12 2011-11-15 Ethicon Endo-Surgery, Inc. Automatically adjusting band system with MEMS pump
US8591532B2 (en) 2008-02-12 2013-11-26 Ethicon Endo-Sugery, Inc. Automatically adjusting band system
US8034065B2 (en) 2008-02-26 2011-10-11 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8233995B2 (en) 2008-03-06 2012-07-31 Ethicon Endo-Surgery, Inc. System and method of aligning an implantable antenna
US8187162B2 (en) 2008-03-06 2012-05-29 Ethicon Endo-Surgery, Inc. Reorientation port
KR101488427B1 (ko) * 2013-10-31 2015-02-03 숭실대학교산학협력단 풍력을 이용한 압전식 발전기

Also Published As

Publication number Publication date
GB1226998A (enExample) 1971-03-31
SE353224B (enExample) 1973-01-29
FR1562668A (enExample) 1969-04-04
JPS4833118B1 (enExample) 1973-10-11
GB1226999A (enExample) 1971-03-31
US3550583A (en) 1970-12-29

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