ATE391529T1 - Ischämiedetektor - Google Patents

Ischämiedetektor

Info

Publication number
ATE391529T1
ATE391529T1 AT05075347T AT05075347T ATE391529T1 AT E391529 T1 ATE391529 T1 AT E391529T1 AT 05075347 T AT05075347 T AT 05075347T AT 05075347 T AT05075347 T AT 05075347T AT E391529 T1 ATE391529 T1 AT E391529T1
Authority
AT
Austria
Prior art keywords
ischemia
impedance
signal
electrode lead
detector
Prior art date
Application number
AT05075347T
Other languages
English (en)
Inventor
Raul Chirife
Original Assignee
Raul Chirife
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 Raul Chirife filed Critical Raul Chirife
Application granted granted Critical
Publication of ATE391529T1 publication Critical patent/ATE391529T1/de

Links

Classifications

    • 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
    • A61N1/36521—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure the parameter being derived from measurement of an electrical impedance
    • 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
    • A61B5/026—Measuring blood flow
    • A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0535—Impedance plethysmography

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physiology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Electrotherapy Devices (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AT05075347T 2005-02-09 2005-02-09 Ischämiedetektor ATE391529T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05075347A EP1690566B1 (de) 2005-02-09 2005-02-09 Ischämiedetektor

Publications (1)

Publication Number Publication Date
ATE391529T1 true ATE391529T1 (de) 2008-04-15

Family

ID=34938048

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05075347T ATE391529T1 (de) 2005-02-09 2005-02-09 Ischämiedetektor

Country Status (4)

Country Link
US (1) US20060241357A1 (de)
EP (1) EP1690566B1 (de)
AT (1) ATE391529T1 (de)
DE (1) DE602005005940T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7668594B2 (en) 2005-08-19 2010-02-23 Cardiac Pacemakers, Inc. Method and apparatus for delivering chronic and post-ischemia cardiac therapies
US7962208B2 (en) 2005-04-25 2011-06-14 Cardiac Pacemakers, Inc. Method and apparatus for pacing during revascularization
US20060259088A1 (en) * 2005-05-13 2006-11-16 Pastore Joseph M Method and apparatus for delivering pacing pulses using a coronary stent
US7894896B2 (en) * 2005-05-13 2011-02-22 Cardiac Pacemakers, Inc. Method and apparatus for initiating and delivering cardiac protection pacing
US7917210B2 (en) 2005-05-13 2011-03-29 Cardiac Pacemakers, Inc. Method and apparatus for cardiac protection pacing
US7774057B2 (en) 2005-09-06 2010-08-10 Cardiac Pacemakers, Inc. Method and apparatus for device controlled gene expression for cardiac protection
US8014863B2 (en) 2007-01-19 2011-09-06 Cardiac Pacemakers, Inc. Heart attack or ischemia detector
US20080177156A1 (en) * 2007-01-19 2008-07-24 Cardiac Pacemakers, Inc. Ischemia detection using pressure sensor
US7385443B1 (en) * 2007-01-31 2008-06-10 Medtronic, Inc. Chopper-stabilized instrumentation amplifier
US8265769B2 (en) * 2007-01-31 2012-09-11 Medtronic, Inc. Chopper-stabilized instrumentation amplifier for wireless telemetry
US7391257B1 (en) * 2007-01-31 2008-06-24 Medtronic, Inc. Chopper-stabilized instrumentation amplifier for impedance measurement
US9615744B2 (en) * 2007-01-31 2017-04-11 Medtronic, Inc. Chopper-stabilized instrumentation amplifier for impedance measurement
EP2114525B1 (de) * 2007-02-28 2011-06-15 St. Jude Medical AB Herzstimulator mit einem impedanzmesskreis zum nachweis einer ischämie
EP2114526B1 (de) * 2007-02-28 2012-08-01 St. Jude Medical AB Vorrichtung zum nachweis eines myokardinfarkts und zur behandlung des myokardinfarkts mit therapeutischem licht
US8615296B2 (en) 2007-03-06 2013-12-24 Cardiac Pacemakers, Inc. Method and apparatus for closed-loop intermittent cardiac stress augmentation pacing
US8781595B2 (en) 2007-04-30 2014-07-15 Medtronic, Inc. Chopper mixer telemetry circuit
US8380314B2 (en) 2007-09-26 2013-02-19 Medtronic, Inc. Patient directed therapy control
US8121694B2 (en) 2007-10-16 2012-02-21 Medtronic, Inc. Therapy control based on a patient movement state
WO2009054758A1 (en) * 2007-10-26 2009-04-30 St. Jude Medical Ab Methods and systems for drug titration
WO2009094050A1 (en) 2008-01-25 2009-07-30 Medtronic, Inc. Sleep stage detection
US8750979B2 (en) * 2008-01-29 2014-06-10 St. Jude Medical, AB Method and implantable medical device (IMD) for monitoring permeability status of cell membranes
US8478402B2 (en) * 2008-10-31 2013-07-02 Medtronic, Inc. Determining intercardiac impedance
US20100113964A1 (en) * 2008-10-31 2010-05-06 Wahlstrand John D Determining intercardiac impedance
US20100114231A1 (en) * 2008-11-05 2010-05-06 Pacesetter, Inc. Methods and systems to monitor ischemia
US8983600B2 (en) 2009-05-15 2015-03-17 Cardiac Pacemakers, Inc. Method and apparatus for safety control during cardiac pacing mode transition
US8958873B2 (en) 2009-05-28 2015-02-17 Cardiac Pacemakers, Inc. Method and apparatus for safe and efficient delivery of cardiac stress augmentation pacing
US8812104B2 (en) 2009-09-23 2014-08-19 Cardiac Pacemakers, Inc. Method and apparatus for automated control of pacing post-conditioning
WO2011053369A1 (en) 2009-10-30 2011-05-05 Cardiac Pacemakers, Inc. Pacemaker with vagal surge monitoring and response
US9770204B2 (en) 2009-11-11 2017-09-26 Medtronic, Inc. Deep brain stimulation for sleep and movement disorders
US9446243B2 (en) 2012-12-07 2016-09-20 Boston Scientific Neuromodulation Corporation Patient posture determination and stimulation program adjustment in an implantable stimulator device using impedance fingerprinting
US9924904B2 (en) 2014-09-02 2018-03-27 Medtronic, Inc. Power-efficient chopper amplifier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154171A (en) * 1991-06-15 1992-10-13 Raul Chirife Rate adaptive pacemaker controlled by ejection fraction
US5235976A (en) * 1991-12-13 1993-08-17 Cardiac Pacemakers, Inc. Method and apparatus for managing and monitoring cardiac rhythm using active time as the controlling parameter
US5282840A (en) * 1992-03-26 1994-02-01 Medtronic, Inc. Multiple frequency impedance measurement system
SE9600511D0 (sv) * 1996-02-12 1996-02-12 Pacesetter Ab Bipolar sensor electrode
SE9700182D0 (sv) * 1997-01-22 1997-01-22 Pacesetter Ab Implantable heart stimulator
SE9701121D0 (sv) * 1997-03-26 1997-03-26 Pacesetter Ab Implantable heart stimulator
US6604000B2 (en) * 2000-12-08 2003-08-05 Pacesetter, Inc. Method and device for responding to the detection of ischemia in cardiac tissue
SE0202290D0 (sv) * 2002-07-22 2002-07-22 St Jude Medical Monitor

Also Published As

Publication number Publication date
DE602005005940D1 (de) 2008-05-21
DE602005005940T2 (de) 2009-04-02
EP1690566A1 (de) 2006-08-16
EP1690566B1 (de) 2008-04-09
US20060241357A1 (en) 2006-10-26

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties