CA2224152A1 - Apparatus and method for treating cardiac arrhythmias with no discrete target - Google Patents

Apparatus and method for treating cardiac arrhythmias with no discrete target

Info

Publication number
CA2224152A1
CA2224152A1 CA002224152A CA2224152A CA2224152A1 CA 2224152 A1 CA2224152 A1 CA 2224152A1 CA 002224152 A CA002224152 A CA 002224152A CA 2224152 A CA2224152 A CA 2224152A CA 2224152 A1 CA2224152 A1 CA 2224152A1
Authority
CA
Canada
Prior art keywords
cardiac arrhythmias
treating cardiac
discrete target
ablation
points
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.)
Granted
Application number
CA002224152A
Other languages
French (fr)
Other versions
CA2224152C (en
Inventor
Shlomo Ben-Haim
Susan J. Zachman
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.)
Biosense Webster Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2224152A1 publication Critical patent/CA2224152A1/en
Application granted granted Critical
Publication of CA2224152C publication Critical patent/CA2224152C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
    • A61B5/062—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using magnetic field
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/12—Devices for detecting or locating foreign bodies
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/486—Diagnostic techniques involving generating temporal series of image data
    • A61B6/487—Diagnostic techniques involving generating temporal series of image data involving fluoroscopy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/50—Clinical applications
    • A61B6/503—Clinical applications involving diagnosis of heart
    • 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
    • A61N1/06—Electrodes for high-frequency therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
    • 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
    • A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00041—Heating, e.g. defrosting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A61B2034/2046—Tracking techniques
    • A61B2034/2051—Electromagnetic tracking systems

Abstract

This invention concerns a method and apparatus for treating cardiac arrhythmias with no discrete focus. More particularly, one or more catheters (not shown) are used to collect local information concerning a conduction block (70) within a patient's heart, the information is analyzed to determine where lines or points of ablation should be made, and then the lines (lambda) or points (not shown) of ablation are made.
CA002224152A 1995-06-07 1996-05-31 Apparatus and method for treating cardiac arrhythmias with no discrete target Expired - Lifetime CA2224152C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/476,200 US5718241A (en) 1995-06-07 1995-06-07 Apparatus and method for treating cardiac arrhythmias with no discrete target
US08/476,200 1995-06-07
PCT/US1996/008164 WO1996039929A1 (en) 1995-06-07 1996-05-31 Apparaus and method for treating cardiac arrhythmias with no discrete target

Publications (2)

Publication Number Publication Date
CA2224152A1 true CA2224152A1 (en) 1996-12-19
CA2224152C CA2224152C (en) 2004-02-10

Family

ID=23890915

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002224152A Expired - Lifetime CA2224152C (en) 1995-06-07 1996-05-31 Apparatus and method for treating cardiac arrhythmias with no discrete target

Country Status (12)

Country Link
US (1) US5718241A (en)
EP (1) EP0955880B1 (en)
JP (1) JP3782456B2 (en)
CN (1) CN1155333C (en)
AT (1) ATE260599T1 (en)
AU (1) AU5959296A (en)
CA (1) CA2224152C (en)
DE (1) DE69631801T2 (en)
DK (1) DK0955880T3 (en)
ES (1) ES2217314T3 (en)
PT (1) PT955880E (en)
WO (1) WO1996039929A1 (en)

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CA2224152C (en) 2004-02-10
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CN1187113A (en) 1998-07-08
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ATE260599T1 (en) 2004-03-15
DE69631801T2 (en) 2005-04-28
EP0955880B1 (en) 2004-03-03
WO1996039929A1 (en) 1996-12-19
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AU5959296A (en) 1996-12-30
US5718241A (en) 1998-02-17

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