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.
Patent No.:
Date of Patent:
Nov. 22, 2011
Filed:
Mar. 29, 2010
Steven P. Buysse, Longmont, CO (US);
Gary Dobbins, Longmont, CO (US);
Brandon Gay, Superior, CO (US);
David N. Heard, Boulder, CO (US);
James W. Mcpherson, Boulder, CO (US);
Steven P. Buysse, Longmont, CO (US);
Gary Dobbins, Longmont, CO (US);
Brandon Gay, Superior, CO (US);
David N. Heard, Boulder, CO (US);
James W. McPherson, Boulder, CO (US);
Covidien AG, , CH;
Abstract
A system for heat ablation of tissue in which energy is sequentially applied to at least two electrodes inserted into tissue, the system comprising a radiofrequency source configured to supply radiofrequency energy to two or more electrodes, at least one return electrode for returning the RF energy to the RF source, and a controller configured to sequentially apply the RF energy to each of the two or more electrodes for a predetermined period of time. The controller includes a determiner configured to determine an off time for a next electrode in a sequence and a comparator configured to compare the off time for the next electrode in the sequence to a predetermined minimum off time. The controller applies the radiofrequency energy to the next electrode in the sequence when the off time is greater than the predetermined minimum off time.