Surgery – Instruments – Electrical application
Reexamination Certificate
2005-10-13
2010-06-29
Dvorak, Linda C (Department: 3739)
Surgery
Instruments
Electrical application
C606S033000, C606S040000
Reexamination Certificate
active
07744596
ABSTRACT:
A tissue ablation assembly comprises an elongate probe device, at least one ablation electrode element carried by the probe device for conveying ablation energy, and at least one magnetic element for substantially altering the path of the ablation energy conveyed by the electrode element(s). In one embodiment, the magnetic element substantially urges the ablation energy radially outward. In another embodiment, magnetic element takes the form of a ring magnet that exhibits at least four alternating magnetic poles circumferentially disposed around the probe device axis. A method of treating tissue (e.g., a tumor) is also provided. The method comprises introducing a probe device into the patient, conveying ablation energy from the probe device, and applying a magnetic field adjacent the probe device to substantially alter the path of the ablation energy, e.g., by urging the ablation energy conveyed from the probe device radially outward into the tissue to create a tissue lesion, or by urging the ablation energy longitudinally.
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Anderson Steven M.
DiCarlo Paul
Spiridigliozzi John
Young Kimbolt
Boston Scientific Scimed Inc.
Dvorak Linda C
Scott Amanda
Vista IP Law Group LLP
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