ATE292491T1 - System zur bestimmung des gewebekontaktes einer implantierbaren vorrichtung - Google Patents

System zur bestimmung des gewebekontaktes einer implantierbaren vorrichtung

Info

Publication number
ATE292491T1
ATE292491T1 AT01973198T AT01973198T ATE292491T1 AT E292491 T1 ATE292491 T1 AT E292491T1 AT 01973198 T AT01973198 T AT 01973198T AT 01973198 T AT01973198 T AT 01973198T AT E292491 T1 ATE292491 T1 AT E292491T1
Authority
AT
Austria
Prior art keywords
impedance
signal
imd
indication
tissue contact
Prior art date
Application number
AT01973198T
Other languages
English (en)
Inventor
Paul Iaizzo
Timothy G Laske
Choi Woohyek
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
Application granted granted Critical
Publication of ATE292491T1 publication Critical patent/ATE292491T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—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
    • 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 
    • 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
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/056—Transvascular endocardial electrode systems
    • A61N1/057—Anchoring means; Means for fixing the head inside the heart
    • A61N1/0573—Anchoring means; Means for fixing the head inside the heart chacterised by means penetrating the heart tissue, e.g. helix needle or hook

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electrotherapy Devices (AREA)
  • Prostheses (AREA)
AT01973198T 2000-09-20 2001-09-18 System zur bestimmung des gewebekontaktes einer implantierbaren vorrichtung ATE292491T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23405800P 2000-09-20 2000-09-20
PCT/US2001/029289 WO2002024063A2 (en) 2000-09-20 2001-09-18 Improved system and method for determining tissue contact of an implantable medical device within a body

Publications (1)

Publication Number Publication Date
ATE292491T1 true ATE292491T1 (de) 2005-04-15

Family

ID=22879713

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01973198T ATE292491T1 (de) 2000-09-20 2001-09-18 System zur bestimmung des gewebekontaktes einer implantierbaren vorrichtung

Country Status (7)

Country Link
US (1) US6714806B2 (de)
EP (1) EP1322377B1 (de)
JP (1) JP2004508871A (de)
AT (1) ATE292491T1 (de)
CA (1) CA2423167A1 (de)
DE (1) DE60109950T2 (de)
WO (1) WO2002024063A2 (de)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7286866B2 (en) * 2001-11-05 2007-10-23 Ge Medical Systems Global Technology Company, Llc Method, system and computer product for cardiac interventional procedure planning
US7311705B2 (en) 2002-02-05 2007-12-25 Medtronic, Inc. Catheter apparatus for treatment of heart arrhythmia
US7346381B2 (en) 2002-11-01 2008-03-18 Ge Medical Systems Global Technology Company Llc Method and apparatus for medical intervention procedure planning
US7499743B2 (en) 2002-03-15 2009-03-03 General Electric Company Method and system for registration of 3D images within an interventional system
US20030199938A1 (en) * 2002-04-22 2003-10-23 Karel Smits Precise cardiac lead placement based on impedance measurements
US7778686B2 (en) * 2002-06-04 2010-08-17 General Electric Company Method and apparatus for medical intervention procedure planning and location and navigation of an intervention tool
US7747047B2 (en) 2003-05-07 2010-06-29 Ge Medical Systems Global Technology Company, Llc Cardiac CT system and method for planning left atrial appendage isolation
US7343196B2 (en) * 2003-05-09 2008-03-11 Ge Medical Systems Global Technology Company Llc Cardiac CT system and method for planning and treatment of biventricular pacing using epicardial lead
US7565190B2 (en) 2003-05-09 2009-07-21 Ge Medical Systems Global Technology Company, Llc Cardiac CT system and method for planning atrial fibrillation intervention
US7588033B2 (en) 2003-06-18 2009-09-15 Breathe Technologies, Inc. Methods, systems and devices for improving ventilation in a lung area
US7813785B2 (en) * 2003-07-01 2010-10-12 General Electric Company Cardiac imaging system and method for planning minimally invasive direct coronary artery bypass surgery
US7344543B2 (en) 2003-07-01 2008-03-18 Medtronic, Inc. Method and apparatus for epicardial left atrial appendage isolation in patients with atrial fibrillation
EP1660004A4 (de) 2003-08-18 2017-05-31 Breathe Technologies, Inc. Verfahren und vorrichtung für die nichtinvasive ventilation mit nasaler schnittstelle
US20050054918A1 (en) * 2003-09-04 2005-03-10 Sra Jasbir S. Method and system for treatment of atrial fibrillation and other cardiac arrhythmias
US7308299B2 (en) 2003-10-22 2007-12-11 General Electric Company Method, apparatus and product for acquiring cardiac images
US7308297B2 (en) * 2003-11-05 2007-12-11 Ge Medical Systems Global Technology Company, Llc Cardiac imaging system and method for quantification of desynchrony of ventricles for biventricular pacing
US7454248B2 (en) 2004-01-30 2008-11-18 Ge Medical Systems Global Technology, Llc Method, apparatus and product for acquiring cardiac images
US8068905B2 (en) * 2004-02-26 2011-11-29 Compumedics Limited Method and apparatus for continuous electrode impedance monitoring
GB0419238D0 (en) * 2004-08-28 2004-09-29 Univ Manchester Dysphagia recovery
US7347751B2 (en) * 2004-09-30 2008-03-25 Cardiac Pacemakers, Inc. Cardiac lead implantation system
US8515527B2 (en) * 2004-10-13 2013-08-20 General Electric Company Method and apparatus for registering 3D models of anatomical regions of a heart and a tracking system with projection images of an interventional fluoroscopic system
US7327872B2 (en) * 2004-10-13 2008-02-05 General Electric Company Method and system for registering 3D models of anatomical regions with projection images of the same
US7551958B2 (en) 2005-05-24 2009-06-23 Cardiac Pacemakers, Inc. Safety control system for implantable neural stimulator
US7848787B2 (en) * 2005-07-08 2010-12-07 Biosense Webster, Inc. Relative impedance measurement
CN101454041B (zh) 2005-09-20 2012-12-12 呼吸科技公司 对患者进行呼吸支持的系统、方法和装置
AU2006320425B2 (en) * 2005-12-01 2011-11-10 Doheny Eye Institute Fitting a neural prosthesis using impedance and electrode height
US20070255270A1 (en) * 2006-04-27 2007-11-01 Medtronic Vascular, Inc. Intraluminal guidance system using bioelectric impedance
CA2652544A1 (en) 2006-05-18 2007-12-13 Breathe Technologies, Inc. Tracheostoma spacer, tracheotomy method, and device for inserting a tracheostoma spacer
EP2068992B1 (de) 2006-08-03 2016-10-05 Breathe Technologies, Inc. Vorrichtung für minimal invasive atmungsunterstützung
EP2091607B1 (de) * 2006-10-20 2017-08-09 Second Sight Medical Products, Inc. Sehprothese
US9042985B2 (en) 2006-11-14 2015-05-26 Second Sight Medical Products, Inc. Signal strength indicator for adjusting communication in a medical implant
US8265745B2 (en) * 2006-12-29 2012-09-11 St. Jude Medical, Atrial Fibillation Division, Inc. Contact sensor and sheath exit sensor
WO2008126074A2 (en) 2007-04-11 2008-10-23 Elcam Medical Agricultural Cooperative Association Ltd. System and method for accurate placement of a catheter tip in a patient
CN101711125B (zh) 2007-04-18 2016-03-16 美敦力公司 针对非荧光镜植入的长期植入性有源固定医疗电子导联
WO2008144589A1 (en) 2007-05-18 2008-11-27 Breathe Technologies, Inc. Methods and devices for sensing respiration and providing ventilation therapy
EP2200686A4 (de) 2007-09-26 2017-11-01 Breathe Technologies, Inc. Verfahren und vorrichtungen zur bereitstellung von inspiratorischer und expiratorischer flussentlastung bei der beatmungstherapie
EP2203206A4 (de) 2007-09-26 2017-12-06 Breathe Technologies, Inc. Verfahren und vorrichtungen zur behandlung von schlafapnoe
US9242070B2 (en) * 2007-12-21 2016-01-26 MicronVention, Inc. System and method for locating detachment zone of a detachable implant
US8663120B2 (en) * 2008-04-18 2014-03-04 Regents Of The University Of Minnesota Method and apparatus for mapping a structure
EP2274036A4 (de) 2008-04-18 2014-08-13 Breathe Technologies Inc Verfahren und vorrichtungen zur messung von atmung und zur kontrolle der funktionen eines beatmungsgeräts
US8532734B2 (en) 2008-04-18 2013-09-10 Regents Of The University Of Minnesota Method and apparatus for mapping a structure
US8340751B2 (en) * 2008-04-18 2012-12-25 Medtronic, Inc. Method and apparatus for determining tracking a virtual point defined relative to a tracked member
US8494608B2 (en) * 2008-04-18 2013-07-23 Medtronic, Inc. Method and apparatus for mapping a structure
US8839798B2 (en) * 2008-04-18 2014-09-23 Medtronic, Inc. System and method for determining sheath location
US8457371B2 (en) 2008-04-18 2013-06-04 Regents Of The University Of Minnesota Method and apparatus for mapping a structure
WO2009151791A2 (en) 2008-04-18 2009-12-17 Breathe Technologies, Inc. Methods and devices for sensing respiration and controlling ventilator functions
CA2665215C (en) * 2008-05-06 2015-01-06 Intertape Polymer Corp. Edge coatings for tapes
US8677999B2 (en) 2008-08-22 2014-03-25 Breathe Technologies, Inc. Methods and devices for providing mechanical ventilation with an open airway interface
US10252020B2 (en) 2008-10-01 2019-04-09 Breathe Technologies, Inc. Ventilator with biofeedback monitoring and control for improving patient activity and health
US8175681B2 (en) 2008-12-16 2012-05-08 Medtronic Navigation Inc. Combination of electromagnetic and electropotential localization
US9132250B2 (en) 2009-09-03 2015-09-15 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with an entrainment port and/or pressure feature
US9675774B2 (en) 2009-04-02 2017-06-13 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles in free space
US8973584B2 (en) 2009-02-13 2015-03-10 Health Beacons, Inc. Method and apparatus for locating passive integrated transponder tags
US9962512B2 (en) 2009-04-02 2018-05-08 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with a free space nozzle feature
US8494613B2 (en) 2009-08-31 2013-07-23 Medtronic, Inc. Combination localization system
US8494614B2 (en) 2009-08-31 2013-07-23 Regents Of The University Of Minnesota Combination localization system
US8446934B2 (en) * 2009-08-31 2013-05-21 Texas Instruments Incorporated Frequency diversity and phase rotation
EP2473221B1 (de) 2009-09-03 2020-11-11 Breathe Technologies, Inc. Systeme für nicht invasive beatmung mit einer nicht abdichtenden beatmungsmaske mit einem abscheidungsanschluss und/oder druckfunktionen
US8355774B2 (en) * 2009-10-30 2013-01-15 Medtronic, Inc. System and method to evaluate electrode position and spacing
US20110160832A1 (en) * 2009-12-30 2011-06-30 Amit Cohen Electrical Metering of Active Fixation Lead Extension
US9237961B2 (en) * 2010-04-23 2016-01-19 Medtronic Vascular, Inc. Stent delivery system for detecting wall apposition of the stent during deployment
US8845631B2 (en) 2010-04-28 2014-09-30 Medtronic Ablation Frontiers Llc Systems and methods of performing medical procedures
AU2011292111B2 (en) 2010-08-16 2015-03-26 Breathe Technologies, Inc. Methods, systems and devices using LOX to provide ventilatory support
US8649851B2 (en) 2010-09-15 2014-02-11 Pacesetter, Inc. Method and system for quantitative measure of current of injury during lead fixation
US8939152B2 (en) 2010-09-30 2015-01-27 Breathe Technologies, Inc. Methods, systems and devices for humidifying a respiratory tract
US8849425B2 (en) * 2011-05-03 2014-09-30 Biotronik Se & Co. Kg Implantable apparatus for detection of external noise using motion sensor signal
US9113805B2 (en) 2013-03-04 2015-08-25 Mortara Instrument, Inc. Impedance measurement system
US8939153B1 (en) 2013-03-15 2015-01-27 Health Beacons, Inc. Transponder strings
US9345540B2 (en) 2013-03-15 2016-05-24 Medtronic Ablation Frontiers Llc Contact specific RF therapy balloon
US9943682B2 (en) 2014-05-06 2018-04-17 Medtronic, Inc. Method and apparatus for determining suitability of a lead implant location
US10188310B2 (en) 2014-08-24 2019-01-29 Health Beacons, Inc. Probe for determining magnetic marker locations
CN109069840B (zh) 2016-02-04 2022-03-15 心脏起搏器股份公司 具有用于无引线心脏装置的力传感器的递送系统
US10143839B1 (en) 2017-07-05 2018-12-04 Medtronic, Inc. Lead navigation guidance
US10792449B2 (en) 2017-10-03 2020-10-06 Breathe Technologies, Inc. Patient interface with integrated jet pump
US10898720B2 (en) 2017-10-17 2021-01-26 Medtronic, Inc. Impedance sensing
US11779253B1 (en) * 2019-10-28 2023-10-10 Cognionics, Inc. Measurement of electrode impedances in biopotential-physiological-phenomena sensing systems
CN114469122B (zh) * 2022-01-28 2024-06-21 深圳市先健心康医疗电子有限公司 心脏穿孔监测方法、装置、计算机设备及起搏器

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702354A (en) 1952-02-28 1955-02-15 Astatic Corp Contact microphone
US3894532A (en) 1974-01-17 1975-07-15 Acupulse Inc Instruments for transcutaneous and subcutaneous investigation and treatment
US4351345A (en) 1978-10-10 1982-09-28 Carney Andrew L Methods of securing electrodes to the heart
US4444195A (en) 1981-11-02 1984-04-24 Cordis Corporation Cardiac lead having multiple ring electrodes
US4591668A (en) 1984-05-08 1986-05-27 Iwata Electric Co., Ltd. Vibration-detecting type microphone
US4608993A (en) 1984-07-31 1986-09-02 Quinton Instrument Company Blood flow measurement device and method
US4821723A (en) 1987-02-27 1989-04-18 Intermedics Inc. Biphasic waveforms for defibrillation
GB2213381B (en) 1987-12-12 1992-06-03 Univ Wales Medicine Surgical diathermy instruments
SE8801517L (sv) 1988-04-22 1989-10-23 Radisensor Ab Kateter foer intravaskulaer tryckmaetning
US5085628A (en) 1988-09-09 1992-02-04 Storz Instrument Company Implantable hearing aid coupler device
US4947852A (en) 1988-10-05 1990-08-14 Cardiometrics, Inc. Apparatus and method for continuously measuring volumetric blood flow using multiple transducer and catheter for use therewith
US5078148A (en) 1988-10-05 1992-01-07 Cardiometrics, Inc. Apparatus and method for continuously measuring volumetric blood flow using multiple transducers and catheter for use therewith
US4924877A (en) 1988-11-25 1990-05-15 Ambrook Medical Concepts, Inc. Pressure sensing catheter
US5078678A (en) 1990-03-02 1992-01-07 Jefferson Katims Method and apparatus for locating a catheter adjacent to a pacemaker node of the heart
US5158078A (en) 1990-08-14 1992-10-27 Medtronic, Inc. Rate responsive pacemaker and methods for optimizing its operation
US5131388A (en) 1991-03-14 1992-07-21 Ventritex, Inc. Implantable cardiac defibrillator with improved capacitors
US5144949A (en) 1991-03-15 1992-09-08 Medtronic, Inc. Dual chamber rate responsive pacemaker with automatic mode switching
US5199428A (en) 1991-03-22 1993-04-06 Medtronic, Inc. Implantable electrical nerve stimulator/pacemaker with ischemia for decreasing cardiac workload
JP2655204B2 (ja) 1991-04-05 1997-09-17 メドトロニック インコーポレーテッド 植え込み型の医療用装置
US5179962A (en) 1991-06-20 1993-01-19 Possis Medical, Inc. Cardiac lead with retractible fixators
US5795325A (en) 1991-07-16 1998-08-18 Heartport, Inc. Methods and apparatus for anchoring an occluding member
US5330507A (en) 1992-04-24 1994-07-19 Medtronic, Inc. Implantable electrical vagal stimulation for prevention or interruption of life threatening arrhythmias
US5395331A (en) 1992-04-27 1995-03-07 Minnesota Mining And Manufacturing Company Retrograde coronary sinus catheter having a ribbed balloon
US5312453A (en) 1992-05-11 1994-05-17 Medtronic, Inc. Rate responsive cardiac pacemaker and method for work-modulating pacing rate deceleration
US5271413A (en) 1992-07-22 1993-12-21 Dalamagas Photios P Method to sense the tissue for injection from a hypodermic needle
US5348019A (en) 1992-09-18 1994-09-20 The Board Of Regents Of The University Of Oklahoma Optical fiber pressure sensing catheter
US5333614A (en) 1992-09-28 1994-08-02 Feiring Andrew J Measurement of absolute vascular flow
US5353800A (en) 1992-12-11 1994-10-11 Medtronic, Inc. Implantable pressure sensor lead
US5324321A (en) 1992-12-22 1994-06-28 Medtronic, Inc. Medical electrical lead having sigmoidal conductors and non-circular lumens
US5387233A (en) 1993-01-11 1995-02-07 Incontrol, Inc. Intravenous cardiac lead with improved fixation and method
US5354316A (en) 1993-01-29 1994-10-11 Medtronic, Inc. Method and apparatus for detection and treatment of tachycardia and fibrillation
US5396902A (en) 1993-02-03 1995-03-14 Medtronic, Inc. Steerable stylet and manipulative handle assembly
US5873835A (en) 1993-04-29 1999-02-23 Scimed Life Systems, Inc. Intravascular pressure and flow sensor
US5335668A (en) 1993-04-30 1994-08-09 Medical Scientific, Inc. Diagnostic impedance measuring system for an insufflation needle
US5314430A (en) 1993-06-24 1994-05-24 Medtronic, Inc. Atrial defibrillator employing transvenous and subcutaneous electrodes and method of use
US5554096A (en) 1993-07-01 1996-09-10 Symphonix Implantable electromagnetic hearing transducer
US5456654A (en) 1993-07-01 1995-10-10 Ball; Geoffrey R. Implantable magnetic hearing aid transducer
JP3400835B2 (ja) * 1993-12-20 2003-04-28 テルモ株式会社 副伝導路検出装置
US5447529A (en) 1994-01-28 1995-09-05 Philadelphia Heart Institute Method of using endocardial impedance for determining electrode-tissue contact, appropriate sites for arrhythmia ablation and tissue heating during ablation
US5427144A (en) 1994-02-24 1995-06-27 Deumed Group Inc. Valve means with fluid retraction means
US5598848A (en) 1994-03-31 1997-02-04 Ep Technologies, Inc. Systems and methods for positioning multiple electrode structures in electrical contact with the myocardium
US5526820A (en) 1994-09-19 1996-06-18 Myelotec, Inc. Catheter with integral pressure sensor
US5643255A (en) * 1994-12-12 1997-07-01 Hicor, Inc. Steerable catheter with rotatable tip electrode and method of use
US5545186A (en) 1995-03-30 1996-08-13 Medtronic, Inc. Prioritized rule based method and apparatus for diagnosis and treatment of arrhythmias
US5578068A (en) 1995-05-08 1996-11-26 Medtronic, Inc. Medical electrical lead with radially asymmetric tip
US5728149A (en) 1995-12-20 1998-03-17 Medtronic, Inc. Integral spiral band electrode for transvenous defibrillation leads
US5788647A (en) 1997-01-24 1998-08-04 Eggers; Philip E. Method, system and apparatus for evaluating hemodynamic parameters
US6026323A (en) 1997-03-20 2000-02-15 Polartechnics Limited Tissue diagnostic system
US5888187A (en) 1997-03-27 1999-03-30 Symphonix Devices, Inc. Implantable microphone
US6086532A (en) 1997-09-26 2000-07-11 Ep Technologies, Inc. Systems for recording use of structures deployed in association with heart tissue
US6006137A (en) 1998-03-06 1999-12-21 Medtronic, Inc. Method for single elecrode bi-atrial pacing
US6064905A (en) 1998-06-18 2000-05-16 Cordis Webster, Inc. Multi-element tip electrode mapping catheter
US6295877B1 (en) 1999-03-30 2001-10-02 A-Med Systems, Inc. Pressure sensing cannula

Also Published As

Publication number Publication date
DE60109950D1 (de) 2005-05-12
WO2002024063B1 (en) 2003-02-20
US6714806B2 (en) 2004-03-30
CA2423167A1 (en) 2002-03-28
EP1322377B1 (de) 2005-04-06
EP1322377A2 (de) 2003-07-02
DE60109950T2 (de) 2006-02-16
US20020046756A1 (en) 2002-04-25
WO2002024063A3 (en) 2002-06-06
WO2002024063A2 (en) 2002-03-28
JP2004508871A (ja) 2004-03-25

Similar Documents

Publication Publication Date Title
DE60109950D1 (de) System zur bestimmung des gewebekontaktes einer implantierbaren vorrichtung
RU2313299C2 (ru) Устройство контроля за прохождением в анатомические элементы
US6569160B1 (en) System and method for detecting electrode-tissue contact
KR100817002B1 (ko) 다중-전극 카테터, 시스템 및 방법
US8092457B2 (en) Drilling device and drilling procedures for surgical purposes
EP0646388B1 (de) Elektrodenvorrichtung
US8630714B1 (en) Bone growth stimulation using a constant current capacitively coupled stimulator
JP2011507643A (ja) 骨接合用接触デバイス
US10232184B2 (en) Extracorporeal unit for inspecting the insulation of an electrical wire of an implanted medical device
ATE222726T1 (de) Gerät zur invivo nichtinvasiven messung eines biologischen parameters von einer körperflüssigkeit einer person oder eines tieres
WO1994022367A1 (en) Radiotelemetry impedance plethysmography device
ATE249265T1 (de) Vorrichtung und katheter zur in-vivo-bestimmung von blutviskosität
DE60113465D1 (de) Aktive implantierbare medizinische Vorrichtung, insbesondere Herzstimulator, Defibrillator und/oder Multisite-Vorrichtung mit Mitteln zur Messung der transvalvularen Impedanz
DE60120245D1 (de) Katheter zur Erzeugung einer elektrischen Darstellung einer Herzkammer
ATE464021T1 (de) Nachweis und anzeige einer nähe eines dentalinstruments an einem apikalen zahnforamen
CN105148396A (zh) 阻抗引导的开道工具
CN1929789B (zh) 监控器具穿刺进入解剖结构的装置
CN101884565A (zh) 一种脊柱手术椎弓根螺钉植入的探测开路装置
EP0813890A3 (de) Medizinisches Gerät
US6553260B1 (en) Medical implant
Young et al. In-vivo" oxygen tension measurement

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties