DE69332414D1 - Kryogener katheter - Google Patents

Kryogener katheter

Info

Publication number
DE69332414D1
DE69332414D1 DE69332414T DE69332414T DE69332414D1 DE 69332414 D1 DE69332414 D1 DE 69332414D1 DE 69332414 T DE69332414 T DE 69332414T DE 69332414 T DE69332414 T DE 69332414T DE 69332414 D1 DE69332414 D1 DE 69332414D1
Authority
DE
Germany
Prior art keywords
cryogenic catheter
cryogenic
catheter
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.)
Expired - Lifetime
Application number
DE69332414T
Other languages
English (en)
Other versions
DE69332414T2 (de
Inventor
L Milder
Ze Ev Hed
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.)
Medtronic Cryocath LP
Original Assignee
Cryocath Technologies 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
Priority claimed from US07/870,495 external-priority patent/US5281213A/en
Application filed by Cryocath Technologies Inc filed Critical Cryocath Technologies Inc
Application granted granted Critical
Publication of DE69332414D1 publication Critical patent/DE69332414D1/de
Publication of DE69332414T2 publication Critical patent/DE69332414T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0158—Tip steering devices with magnetic or electrical means, e.g. by using piezo materials, electroactive polymers, magnetic materials or by heating of shape memory materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B18/24—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B18/28—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor for heating a thermal probe or absorber
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00243—Type of minimally invasive operation cardiac
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/003—Steerable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
    • A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00071—Electrical conductivity
    • A61B2018/00077—Electrical conductivity high, i.e. electrically conducting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00089—Thermal conductivity
    • A61B2018/00095—Thermal conductivity high, i.e. heat conducting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00351—Heart
    • A61B2018/00357—Endocardium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—Ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A61B2018/00815—Temperature measured by a thermistor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A61B2018/00821—Temperature measured by a thermocouple
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0212—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument inserted into a body lumen, e.g. catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0231—Characteristics of handpieces or probes
    • A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
    • A61B2018/0268—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow
    • A61B2018/0275—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow using porous elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0231—Characteristics of handpieces or probes
    • A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
    • A61B2018/0268—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow
    • A61B2018/0281—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow using a tortuous path, e.g. formed by fins or ribs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A61B2018/1246—Generators therefor characterised by the output polarity
    • A61B2018/1253—Generators therefor characterised by the output polarity monopolar
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002—Irrigation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002—Irrigation
    • A61B2218/003—Irrigation using a spray or a foam
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0054—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water
    • A61F2007/0056—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water for cooling

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Otolaryngology (AREA)
  • Medical Informatics (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Laser Surgery Devices (AREA)
DE69332414T 1992-04-16 1993-04-16 Kryogener katheter Expired - Lifetime DE69332414T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/870,495 US5281213A (en) 1992-04-16 1992-04-16 Catheter for ice mapping and ablation
US07/898,142 US5281215A (en) 1992-04-16 1992-06-15 Cryogenic catheter
PCT/US1993/003612 WO1993020769A1 (en) 1992-04-16 1993-04-16 Cryogenic catheter

Publications (2)

Publication Number Publication Date
DE69332414D1 true DE69332414D1 (de) 2002-11-21
DE69332414T2 DE69332414T2 (de) 2003-06-12

Family

ID=27128159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332414T Expired - Lifetime DE69332414T2 (de) 1992-04-16 1993-04-16 Kryogener katheter

Country Status (6)

Country Link
US (1) US5281215A (de)
EP (1) EP0680284B1 (de)
JP (1) JP3209276B2 (de)
CA (1) CA2118011C (de)
DE (1) DE69332414T2 (de)
WO (1) WO1993020769A1 (de)

Families Citing this family (400)

* Cited by examiner, † Cited by third party
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US5588432A (en) * 1988-03-21 1996-12-31 Boston Scientific Corporation Catheters for imaging, sensing electrical potentials, and ablating tissue
US5624392A (en) * 1990-05-11 1997-04-29 Saab; Mark A. Heat transfer catheters and methods of making and using same
WO1993020768A1 (en) * 1992-04-13 1993-10-28 Ep Technologies, Inc. Steerable microwave antenna systems for cardiac ablation
US5423807A (en) * 1992-04-16 1995-06-13 Implemed, Inc. Cryogenic mapping and ablation catheter
US6623516B2 (en) * 1992-08-13 2003-09-23 Mark A. Saab Method for changing the temperature of a selected body region
US5676693A (en) * 1992-11-13 1997-10-14 Scimed Life Systems, Inc. Electrophysiology device
US6110168A (en) * 1993-02-10 2000-08-29 Radiant Medical, Inc. Method and apparatus for controlling a patient's body temperature by in situ blood temperature modifications
US6620188B1 (en) 1998-08-24 2003-09-16 Radiant Medical, Inc. Methods and apparatus for regional and whole body temperature modification
US6849083B2 (en) * 1993-02-10 2005-02-01 Radiant Medical, Inc. Method and apparatus for controlling a patients's body temperature by in situ blood temperature modification
US5837003A (en) * 1993-02-10 1998-11-17 Radiant Medical, Inc. Method and apparatus for controlling a patient's body temperature by in situ blood temperature modification
US6161543A (en) * 1993-02-22 2000-12-19 Epicor, Inc. Methods of epicardial ablation for creating a lesion around the pulmonary veins
US5433717A (en) * 1993-03-23 1995-07-18 The Regents Of The University Of California Magnetic resonance imaging assisted cryosurgery
DE69434185T2 (de) * 1993-06-10 2005-06-02 Imran, Mir A., Los Altos Hills Urethrales gerät zur ablation mittels hochfrequenz
US5840031A (en) * 1993-07-01 1998-11-24 Boston Scientific Corporation Catheters for imaging, sensing electrical potentials and ablating tissue
US5630837A (en) * 1993-07-01 1997-05-20 Boston Scientific Corporation Acoustic ablation
WO1995001751A1 (en) * 1993-07-01 1995-01-19 Boston Scientific Corporation Imaging, electrical potential sensing, and ablation catheters
NL9301851A (nl) * 1993-10-26 1995-05-16 Cordis Europ Cryo-ablatie catheter.
US6099524A (en) * 1994-01-28 2000-08-08 Cardiac Pacemakers, Inc. Electrophysiological mapping and ablation catheter and method
US5967976A (en) * 1994-08-19 1999-10-19 Novoste Corporation Apparatus and methods for procedures related to the electrophysiology of the heart
US5529067A (en) * 1994-08-19 1996-06-25 Novoste Corporation Methods for procedures related to the electrophysiology of the heart
US5957917A (en) * 1995-01-20 1999-09-28 Miravant Systems, Inc. Transluminal hyperthermia catheter and method for use
US6409722B1 (en) 1998-07-07 2002-06-25 Medtronic, Inc. Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue
US5897553A (en) 1995-11-02 1999-04-27 Medtronic, Inc. Ball point fluid-assisted electrocautery device
US5741248A (en) * 1995-06-07 1998-04-21 Temple University-Of The Commonwealth System Of Higher Education Fluorochemical liquid augmented cryosurgery
US5746736A (en) * 1995-08-09 1998-05-05 Lumedics, Ltd. Cryogenic laser lithotripsy with enhanced light absorption
US5706823A (en) * 1995-08-18 1998-01-13 Quinton Instrument Company Electrophysiology filtering system
US5901783A (en) * 1995-10-12 1999-05-11 Croyogen, Inc. Cryogenic heat exchanger
US6151901A (en) * 1995-10-12 2000-11-28 Cryogen, Inc. Miniature mixed gas refrigeration system
US5758505C1 (en) * 1995-10-12 2001-10-30 Cryogen Inc Precooling system for joule-thomson probe
US5787715A (en) * 1995-10-12 1998-08-04 Cryogen, Inc. Mixed gas refrigeration method
US6530234B1 (en) 1995-10-12 2003-03-11 Cryogen, Inc. Precooling system for Joule-Thomson probe
US5733280A (en) * 1995-11-15 1998-03-31 Avitall; Boaz Cryogenic epicardial mapping and ablation
NL1003024C2 (nl) * 1996-05-03 1997-11-06 Tjong Hauw Sie Prikkelgeleidingsblokkeringsinstrument.
US6237605B1 (en) 1996-10-22 2001-05-29 Epicor, Inc. Methods of epicardial ablation
US6311692B1 (en) 1996-10-22 2001-11-06 Epicor, Inc. Apparatus and method for diagnosis and therapy of electrophysiological disease
US7052493B2 (en) * 1996-10-22 2006-05-30 Epicor Medical, Inc. Methods and devices for ablation
US6719755B2 (en) * 1996-10-22 2004-04-13 Epicor Medical, Inc. Methods and devices for ablation
US6840936B2 (en) * 1996-10-22 2005-01-11 Epicor Medical, Inc. Methods and devices for ablation
US6805128B1 (en) 1996-10-22 2004-10-19 Epicor Medical, Inc. Apparatus and method for ablating tissue
NL1004655C2 (nl) * 1996-11-29 1998-06-03 Cordis Europ Ablatiekatheter en -inrichting.
US5910104A (en) 1996-12-26 1999-06-08 Cryogen, Inc. Cryosurgical probe with disposable sheath
US6270494B1 (en) 1996-12-26 2001-08-07 Cryogen, Inc. Stretchable cryoprobe sheath
US7591814B2 (en) 1997-02-27 2009-09-22 Cryocath Technologies Inc. Extended treatment zone catheter
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US6235019B1 (en) 1997-02-27 2001-05-22 Cryocath Technologies, Inc. Cryosurgical catheter
US6602247B2 (en) 1997-02-27 2003-08-05 Cryocath Technologies Inc. Apparatus and method for performing a treatment on a selected tissue region
US6669689B2 (en) 1997-02-27 2003-12-30 Cryocath Technologies Inc. Cryosurgical catheter
US5899898A (en) 1997-02-27 1999-05-04 Cryocath Technologies Inc. Cryosurgical linear ablation
US7220257B1 (en) * 2000-07-25 2007-05-22 Scimed Life Systems, Inc. Cryotreatment device and method
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EP0680284A1 (de) 1995-11-08
JP3209276B2 (ja) 2001-09-17
CA2118011C (en) 2000-02-08
EP0680284A4 (de) 1995-06-20
US5281215A (en) 1994-01-25
WO1993020769A1 (en) 1993-10-28
CA2118011A1 (en) 1993-10-28

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