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. 17, 2012

Filed:

Jan. 31, 2006
Applicants:

Per Lagercrantz, Stockholm, SE;

Anna-karin Johansson, Vallentuna, SE;

Karin Järeverud, Solna, SE;

Inventors:

Per Lagercrantz, Stockholm, SE;

Anna-Karin Johansson, Vallentuna, SE;

Karin Järeverud, Solna, SE;

Assignee:

St. Jude Medical AB, Jarfalla, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/01 (2006.01); A61B 5/05 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cardiac stimulator has an implantable cardiac lead that carries a temperature sensitive element with a surface thereof in contact with biological matter. The temperature sensitive element emits a temperature signal corresponding to the temperature of biological matter, such as blood, in contact with the surface of the temperature sensitive element. Processing circuitry receives the temperature signal and determines a variability thereof within a selected time interval. A status signal is emitted dependent on this variability.


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