WO2003057316A3 - Method and apparatus for monitoring left ventricular work or power - Google Patents

Method and apparatus for monitoring left ventricular work or power Download PDF

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Publication number
WO2003057316A3
WO2003057316A3 PCT/US2002/040125 US0240125W WO03057316A3 WO 2003057316 A3 WO2003057316 A3 WO 2003057316A3 US 0240125 W US0240125 W US 0240125W WO 03057316 A3 WO03057316 A3 WO 03057316A3
Authority
WO
WIPO (PCT)
Prior art keywords
coronary vein
thermal sensor
lead system
left ventricular
heart
Prior art date
Application number
PCT/US2002/040125
Other languages
French (fr)
Other versions
WO2003057316A2 (en
Inventor
Rodney Salo
Original Assignee
Cardiac Pacemakers 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 Cardiac Pacemakers Inc filed Critical Cardiac Pacemakers Inc
Priority to EP02806161A priority Critical patent/EP1467799B1/en
Priority to AU2002367292A priority patent/AU2002367292A1/en
Priority to AT02806161T priority patent/ATE485863T1/en
Priority to DE60238142T priority patent/DE60238142D1/en
Publication of WO2003057316A2 publication Critical patent/WO2003057316A2/en
Publication of WO2003057316A3 publication Critical patent/WO2003057316A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/056—Transvascular endocardial electrode systems
    • 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
    • A61N1/3655—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 body or blood temperature
    • 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
    • A61N1/3627—Heart stimulators for treating a mechanical deficiency of the heart, e.g. congestive heart failure or cardiomyopathy
    • 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
    • A61N1/36571—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 flow rate, e.g. blood velocity or cardiac output
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/056—Transvascular endocardial electrode systems
    • A61N2001/0585—Coronary sinus electrodes

Abstract

A body implantable system employs a lead system having at least one electrode and at least one thermal sensor at a distal end. The lead system is implanted within a patient's heart in a coronary vein of the left ventricle. The 10 thermal sensor can be attached to a catheter that is disposed within an open lumen of the lead system. The thermal sensor senses a coronary vein temperature. The coronary vein temperature can be measured at a detector/energy delivery system and used as an activity indicator to adaptively control pacing rate. The measured coronary vein temperature can be also used 15 with a left ventricular flow measurement to determine hemodynamic efficiency of the heart. A detected change in hemodynamic efficiency can be used by the detector/energy delivery system to modify the delivery of electrical pulses to the lead system.
PCT/US2002/040125 2001-12-31 2002-12-16 Method and apparatus for monitoring left ventricular work or power WO2003057316A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP02806161A EP1467799B1 (en) 2001-12-31 2002-12-16 Implantable system
AU2002367292A AU2002367292A1 (en) 2001-12-31 2002-12-16 Method and apparatus for monitoring left ventricular work or power
AT02806161T ATE485863T1 (en) 2001-12-31 2002-12-16 IMPLANTABLE SYSTEM
DE60238142T DE60238142D1 (en) 2001-12-31 2002-12-16 IMPLANTABLE SYSTEM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/036,639 2001-12-31
US10/036,639 US6892095B2 (en) 2001-12-31 2001-12-31 Method and apparatus for monitoring left ventricular work or power

Publications (2)

Publication Number Publication Date
WO2003057316A2 WO2003057316A2 (en) 2003-07-17
WO2003057316A3 true WO2003057316A3 (en) 2004-02-26

Family

ID=21889762

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/040125 WO2003057316A2 (en) 2001-12-31 2002-12-16 Method and apparatus for monitoring left ventricular work or power

Country Status (6)

Country Link
US (3) US6892095B2 (en)
EP (1) EP1467799B1 (en)
AT (1) ATE485863T1 (en)
AU (1) AU2002367292A1 (en)
DE (1) DE60238142D1 (en)
WO (1) WO2003057316A2 (en)

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EP1467799A2 (en) 2004-10-20
DE60238142D1 (en) 2010-12-09
AU2002367292A1 (en) 2003-07-24
US20070112388A1 (en) 2007-05-17
US7206637B2 (en) 2007-04-17
US20030125774A1 (en) 2003-07-03
WO2003057316A2 (en) 2003-07-17
US7738967B2 (en) 2010-06-15
US20050096706A1 (en) 2005-05-05
ATE485863T1 (en) 2010-11-15
US6892095B2 (en) 2005-05-10

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