Surgery – Instruments – Electrical application
Reexamination Certificate
2005-06-21
2010-10-26
Cohen, Lee S (Department: 3739)
Surgery
Instruments
Electrical application
Reexamination Certificate
active
07819868
ABSTRACT:
An ablation catheter has improved fluid distribution structures. An ablation section at a distal end of the catheter is designed to provide a more uniform fluid flow emanating from the catheter. By creating a uniform fluid flow, a more uniform tissue lesion results and the possibility of charring the tissue is reduced. A combination of mesh material layers, porous materials, and dispersion channels or openings are used to achieve the uniform flow. The amount of fluid used as a virtual electrode to ablate the tissue is greatly reduced with the present invention. Further, the catheter may be used to create a single, uniform linear lesion by successive application of energy to adjacent portions of the ablation section, thus reducing the power required to create the desired lesion.
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patent:
Belhe Kedar R.
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Trenner Law Firm LLC
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