NL8203285A - In het lichaam implanteerbare omzetter. - Google Patents

In het lichaam implanteerbare omzetter. Download PDF

Info

Publication number
NL8203285A
NL8203285A NL8203285A NL8203285A NL8203285A NL 8203285 A NL8203285 A NL 8203285A NL 8203285 A NL8203285 A NL 8203285A NL 8203285 A NL8203285 A NL 8203285A NL 8203285 A NL8203285 A NL 8203285A
Authority
NL
Netherlands
Prior art keywords
output signal
capacitor
assembly according
during
time interval
Prior art date
Application number
NL8203285A
Other languages
English (en)
Dutch (nl)
Original Assignee
Medtronic 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 Medtronic Inc filed Critical Medtronic Inc
Publication of NL8203285A publication Critical patent/NL8203285A/nl

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/03—Measuring fluid pressure within the body other than blood pressure, e.g. cerebral pressure ; Measuring pressure in body tissues or organs
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
    • A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
    • A61N1/36564—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure controlled by blood pressure
    • 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
    • G01L9/02—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/06—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Measuring Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
NL8203285A 1981-08-28 1982-08-23 In het lichaam implanteerbare omzetter. NL8203285A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29747281 1981-08-28
US06/297,472 US4432372A (en) 1981-08-28 1981-08-28 Two-lead power/signal multiplexed transducer

Publications (1)

Publication Number Publication Date
NL8203285A true NL8203285A (nl) 1983-03-16

Family

ID=23146460

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8203285A NL8203285A (nl) 1981-08-28 1982-08-23 In het lichaam implanteerbare omzetter.

Country Status (5)

Country Link
US (1) US4432372A (cs)
AU (1) AU556304B2 (cs)
DE (1) DE3232009A1 (cs)
FR (1) FR2512229B1 (cs)
NL (1) NL8203285A (cs)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK232783D0 (da) * 1983-05-24 1983-05-24 Radiometer As Elektrokemisk maleelektrodeindretning og fremgangsmade til transmission af signaler fra samme
US4576183A (en) * 1983-09-21 1986-03-18 Gianni Plicchi Electronic circuit for monitoring respiratory parameter for controlling operation of implantable medical device
US4541433A (en) * 1984-06-01 1985-09-17 Medtronic, Inc. Cardiac output monitor
US4628934A (en) * 1984-08-07 1986-12-16 Cordis Corporation Method and means of electrode selection for pacemaker with multielectrode leads
US4566456A (en) * 1984-10-18 1986-01-28 Cordis Corporation Apparatus and method for adjusting heart/pacer rate relative to right ventricular systolic pressure to obtain a required cardiac output
US4770177A (en) * 1986-02-18 1988-09-13 Telectronics N.V. Apparatus and method for adjusting heart/pacer relative to changes in venous diameter during exercise to obtain a required cardiac output.
DE3619695A1 (de) * 1986-06-11 1987-12-17 Reha Medi Vertriebsgesellschaf Untersuchungselement fuer die funktionsdiagnostik im analen sphinkter-bereich
US4791935A (en) * 1986-08-15 1988-12-20 Medtronic, Inc. Oxygen sensing pacemaker
US4807629A (en) * 1986-08-15 1989-02-28 Medtronic, Inc. Oxygen sensing pacemaker
US5368040A (en) * 1993-08-02 1994-11-29 Medtronic, Inc. Apparatus and method for determining a plurality of hemodynamic variables from a single, chroniclaly implanted absolute pressure sensor
WO1996026673A1 (en) * 1995-02-27 1996-09-06 Medtronic, Inc. External patient reference sensor
US5564434A (en) * 1995-02-27 1996-10-15 Medtronic, Inc. Implantable capacitive absolute pressure and temperature sensor
US5535752A (en) * 1995-02-27 1996-07-16 Medtronic, Inc. Implantable capacitive absolute pressure and temperature monitor system
US5702427A (en) * 1996-03-28 1997-12-30 Medtronic, Inc. Verification of capture using pressure waves transmitted through a pacing lead
EP0835153B1 (en) * 1996-03-28 2003-08-27 Medtronic, Inc. Detection of pressure waves transmitted through catheter/lead body
US5843135A (en) * 1997-10-20 1998-12-01 Medtronic, Inc. Pacing system with lead having a single conductor for connecting to pressure sensor and electrode
FR2778547B1 (fr) 1998-05-18 2000-10-06 Commissariat Energie Atomique Mesure d'un ou de plusieurs parametres physiques par une sonde medicale
US6221024B1 (en) 1998-07-20 2001-04-24 Medtronic, Inc. Implantable pressure sensor and method of fabrication
US6163723A (en) 1998-10-22 2000-12-19 Medtronic, Inc. Circuit and method for implantable dual sensor medical electrical lead
US6171252B1 (en) 1999-04-29 2001-01-09 Medtronic, Inc. Pressure sensor with increased sensitivity for use with an implantable medical device
SE0003852D0 (sv) * 2000-10-24 2000-10-24 St Jude Medical Pressure sensor
US6859667B2 (en) * 2001-11-07 2005-02-22 Cardiac Pacemakers, Inc. Multiplexed medical device lead with standard header
US6712772B2 (en) 2001-11-29 2004-03-30 Biocontrol Medical Ltd. Low power consumption implantable pressure sensor
US8000802B2 (en) * 2002-04-22 2011-08-16 Medtronic, Inc. Implantable lead with coplanar contact coupling
EP1578247B1 (en) 2002-05-07 2015-10-28 AMS Research Corporation Low power consumption implantable pressure sensor
US7139613B2 (en) * 2002-09-25 2006-11-21 Medtronic, Inc. Implantable medical device communication system with pulsed power biasing
US7013178B2 (en) * 2002-09-25 2006-03-14 Medtronic, Inc. Implantable medical device communication system
US8303511B2 (en) * 2002-09-26 2012-11-06 Pacesetter, Inc. Implantable pressure transducer system optimized for reduced thrombosis effect
US20040158294A1 (en) * 2003-02-12 2004-08-12 Medtronic, Inc. Self-powered implantable element
US7203551B2 (en) * 2003-04-25 2007-04-10 Medtronic, Inc. Implantable lead-based sensor powered by piezoelectric transformer
US7286882B2 (en) * 2003-10-03 2007-10-23 Medtronic, Inc. Implantable electrical connector system
US7286884B2 (en) * 2004-01-16 2007-10-23 Medtronic, Inc. Implantable lead including sensor
US20050159801A1 (en) * 2004-01-16 2005-07-21 Medtronic, Inc. Novel implantable lead including sensor
US7493174B2 (en) * 2004-09-23 2009-02-17 Medtronic, Inc. Implantable medical lead
US20100312129A1 (en) 2005-01-26 2010-12-09 Schecter Stuart O Cardiovascular haptic handle system
US7904158B2 (en) * 2005-04-28 2011-03-08 Medtronic, Inc. Measurement of coronary sinus parameters to optimize left ventricular performance
US20100076254A1 (en) * 2006-06-05 2010-03-25 Ams Research Corporation Electrical muscle stimulation to treat fecal incontinence and/or pelvic prolapse
US8306773B2 (en) * 2007-08-29 2012-11-06 Canon U.S. Life Sciences, Inc. Microfluidic devices with integrated resistive heater electrodes including systems and methods for controlling and measuring the temperatures of such heater electrodes
US9221056B2 (en) * 2007-08-29 2015-12-29 Canon U.S. Life Sciences, Inc. Microfluidic devices with integrated resistive heater electrodes including systems and methods for controlling and measuring the temperatures of such heater electrodes
US8380457B2 (en) * 2007-08-29 2013-02-19 Canon U.S. Life Sciences, Inc. Microfluidic devices with integrated resistive heater electrodes including systems and methods for controlling and measuring the temperatures of such heater electrodes
WO2009042063A1 (en) 2007-09-27 2009-04-02 Cardiac Pacemakers, Inc. Implantable lead with an electrostimulation capacitor
US9042983B2 (en) * 2007-10-31 2015-05-26 Medtronic, Inc. Implantable system for flow measurement including charge amplifier
US20100217340A1 (en) * 2009-02-23 2010-08-26 Ams Research Corporation Implantable Medical Device Connector System
US8380312B2 (en) 2009-12-31 2013-02-19 Ams Research Corporation Multi-zone stimulation implant system and method
US8396563B2 (en) * 2010-01-29 2013-03-12 Medtronic, Inc. Clock synchronization in an implantable medical device system
US8942828B1 (en) 2011-04-13 2015-01-27 Stuart Schecter, LLC Minimally invasive cardiovascular support system with true haptic coupling
EP2753397B1 (en) 2011-09-08 2017-01-11 AMS Research Corporation Implantable electrode assembly
US10013082B2 (en) 2012-06-05 2018-07-03 Stuart Schecter, LLC Operating system with haptic interface for minimally invasive, hand-held surgical instrument
JP6178424B2 (ja) 2012-11-14 2017-08-09 ヴェクトリアス メディカル テクノロジーズ リミテッド 埋め込み型静電容量ベース圧力変換器のためのドリフト補償
US10205488B2 (en) 2013-04-18 2019-02-12 Vectorious Medical Technologies Ltd. Low-power high-accuracy clock harvesting in inductive coupling systems
US10105103B2 (en) 2013-04-18 2018-10-23 Vectorious Medical Technologies Ltd. Remotely powered sensory implant
WO2016178197A1 (en) 2015-05-07 2016-11-10 Vectorious Medical Technologies Ltd Deploying and fixating an implant across an organ wall
EP3398237B1 (en) 2015-12-30 2020-12-02 Vectorious Medical Technologies Ltd. Power-efficient pressure-sensor implant

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE132701C (cs) *
US2796863A (en) * 1952-12-18 1957-06-25 Wittern Wolf-Wito Von Pressure responsive pick-up measuring device
US3038465A (en) * 1958-08-07 1962-06-12 Allard Emmanuel Marie Lucien Micromanometer particularly adapted for use with a cardiac catheter
US3076338A (en) * 1959-07-22 1963-02-05 Illinois Testing Laboratories Pulsed resistance thermometers
US3154066A (en) * 1961-10-11 1964-10-27 Robert L Gannon Body function sensors
US3350944A (en) * 1963-10-17 1967-11-07 Gen Electric Strain gauge pressure transducer
US3473386A (en) * 1967-12-04 1969-10-21 Electrometric Inc Fluid fitting mounted pressure transducer
US3545275A (en) * 1968-09-12 1970-12-08 Nasa Transducer circuit and catheter transducer
US3614954A (en) * 1970-02-09 1971-10-26 Medtronic Inc Electronic standby defibrillator
GB1369435A (en) * 1970-10-30 1974-10-09 Secr Defence Piezoelectric transducer testing system
DE2212273A1 (de) * 1971-03-19 1972-10-05 Serdal Electron Med Vorrichtung zur aeusseren Kontrolle von interessierenden Groessen im Inneren von Lebewesen
US4023562A (en) * 1975-09-02 1977-05-17 Case Western Reserve University Miniature pressure transducer for medical use and assembly method
US4114606A (en) * 1976-11-12 1978-09-19 The Johns Hopkins University Monitoring apparatus for resonant circuit intracranial pressure implants
JPS54123077A (en) * 1978-03-17 1979-09-25 Hitachi Ltd Pressure sensor
US4237900A (en) * 1979-02-14 1980-12-09 Pacesetter Systems, Inc. Implantable calibration means and calibration method for an implantable body transducer
US4312361A (en) * 1979-04-20 1982-01-26 Codman And Shurtleff, Inc. Pressure monitoring system for electrofluidic sensing devices
US4407296A (en) * 1980-09-12 1983-10-04 Medtronic, Inc. Integral hermetic impantable pressure transducer

Also Published As

Publication number Publication date
DE3232009C2 (cs) 1992-07-02
FR2512229B1 (fr) 1988-09-09
AU8778482A (en) 1983-03-03
US4432372A (en) 1984-02-21
DE3232009A1 (de) 1983-03-10
AU556304B2 (en) 1986-10-30
FR2512229A1 (fr) 1983-03-04

Similar Documents

Publication Publication Date Title
NL8203285A (nl) In het lichaam implanteerbare omzetter.
US5481199A (en) System for improving measurement accuracy of transducer by measuring transducer temperature and resistance change using thermoelectric voltages
US5161893A (en) Temperature measurement
US5519327A (en) Pulse circuit using a transmission line
SE9601387D0 (sv) Anordning för övervakning av för upptagning av fysiologiska mätsignaler avsedda mätelektroder samt deras tilledningar
JPH0621799B2 (ja) 磁気抵抗差動センサ装置
CN86108479A (zh) 电容测量电路
GB2131558A (en) Measuring potential difference
US5066140A (en) Temperature measurement
US6244744B1 (en) Three-wire RTD interface
WO2007132389A1 (en) Current interface with a blocking capacitor attached to an additional pin
US4286214A (en) Current sensor for phase inversion-modulation of AC signals
CA1044326A (en) Measurement system including bridge circuit
US5161892A (en) Temperature measurement in R.F. locations
EP0206488A1 (en) Method and apparatus for measuring electric current
US2981888A (en) Electrical current measuring system
US4797606A (en) Measuring device for the measurement of the deformability of red blood corpuscles
McLean An electrical measurement system for studying aphid probing behavior
GB1145673A (en) Improvements in or relating to apparatus for determining salinity
SU779917A1 (ru) Устройство дл измерени сопротивлени изол ции сетей посто нного тока
JPH0752622Y2 (ja) 電圧印加電流測定器
US3509291A (en) Method and apparatus to adjust the capacitance of a network to some predetermined value
US12044596B2 (en) Method for diagnosing exhaust gas sensors
SU819754A1 (ru) Измеритель рассто ни до местапОВРЕждЕНи изОл ции КАбЕл
RU2268644C2 (ru) Способ измерения электрокожного сопротивления точек акупунктуры, устройство для осуществления способа и их варианты

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed