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:
Jun. 22, 2004

Filed:

Dec. 28, 2000
Applicant:
Inventors:

John A. Simpson, Carlsbad, CA (US);

Marshall L. Sherman, Cardiff, CA (US);

David S. Wood, Temecula, CA (US);

Jeffrey A. Hall, Birmingham, AL (US);

Assignee:

Cardiac Pacemakers, Inc., St. Paul, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/804 ;
U.S. Cl.
CPC ...
A61B 1/804 ;
Abstract

A catheter carries a plurality of electrodes, each with multiple thermal sensors attached and is used to position the electrodes proximal biological tissue. A processor responsive to each of the thermal sensors determines the temperature at the thermal-sensor/electrode junction. A display provides a graphic representation of the temperatures of the thermal-sensor/electrode junctions. An exemplary representation is a bar graph having the temperature of one thermal sensor at one end and the temperature of another thermal sensor at the other end. The length of the bar graph combined with the position of the bar graph relative to a temperature range region provides an indication of the position of the thermal-sensor/electrode junctions relative to the biological tissue. The processor also monitors the spread between the sensor temperatures and compares it to a threshold value. Base on the result of the comparison, the processor controls the power applied to the electrode.


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Simpson, John. (2004). Ablation system and method having multiple-sensor electrodes to assist in assessment of electrode and sensor position and adjustment of energy levels (U.S. Patent No. 6752804). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6752804

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