The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 16, 2013

Filed:

Jun. 10, 2002
Applicants:

Fred T. Lee, Madison, WI (US);

Dieter Haemmerich, Madison, WI (US);

John G. Webster, Madison, WI (US);

Andrew S. Wright, Madison, WI (US);

Chris D. Johnson, Madison, WI (US);

David M. Mahvi, Middleton, WI (US);

Inventors:

Fred T. Lee, Madison, WI (US);

Dieter Haemmerich, Madison, WI (US);

John G. Webster, Madison, WI (US);

Andrew S. Wright, Madison, WI (US);

Chris D. Johnson, Madison, WI (US);

David M. Mahvi, Middleton, WI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 18/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

Efficient ablation with multiple electrodes is obtained by rapidly switching electric power to the electrodes. In this way, shielding effects caused by the field around each electrode which would otherwise create cool spots, are avoided. Complex inter-electrode current flows are also avoided.


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