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  • Cardiac ablation catheters that use radio-frequency (e.g., 482kHz, 500 kHz) energy to destroy targeted endocardial tissue which additionally provide a real time measurement of the contact force between the catheter tip and cardiac tissue. These catheters fulfill all the common characteristics of radiofrequency ablation catheters such as multiple electrodes and an irrigation channel; they also provide feedback regarding the magnitude and direction of the contact force usually using light-interferometer technology. Contact force ablation catheters allow to perform the ablation procedure based on the measurement of the contact force and time of application shown and controlled using a contact force module, usually avoiding the need of temperature measurements. The catheters are externally attached to a standard radiofrequency unit used in cardiac ablation procedures, the procedure also needs the use of a return electrode pad.
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