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Harvey et al., 1992 - Google Patents

Impedance monitoring during radiofrequency catheter ablation in humans

Harvey et al., 1992

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Document ID
3245362985780478642
Author
Harvey M
KIM Y
Sousa J
EL‐ATASSI R
Morady F
Calkins H
Langberg J
Publication year
Publication venue
Pacing and Clinical Electrophysiology

External Links

Snippet

Radiofrequency catheter ablation of accessory pathways and the atrioventricular junction often requires multiple applications of energy. The inability to determine the effects of any given application on the underlying tissue may contribute to this problem. In the present …
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Classifications

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    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1412Blade
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    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/1492Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
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    • A61B18/12Surgical 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
    • A61B18/1206Generators therefor
    • A61B2018/1246Generators therefor characterised by the output polarity
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    • A61B18/14Probes or electrodes therefor
    • A61B18/1487Trocar-like, i.e. devices producing an enlarged transcutaneous opening
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    • A61B18/1206Generators therefor
    • A61B2018/128Generators therefor generating two or more frequencies
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    • A61B2018/00702Power or energy
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    • A61B2018/00011Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
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    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves
    • A61B5/053Measuring electrical impedance or conductance of a portion of the body

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