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:
Jan. 29, 2019
Filed:
May. 06, 2016
St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US);
Artem Mosesov, Roseville, MN (US);
Anthony D. Hill, Minneapolis, MN (US);
Birin Yucesan, Woodbury, MN (US);
Timothy G. Curran, Ramsey, MN (US);
St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US);
Abstract
A method of detecting a localization element/sheath state change with a localization system includes establishing a localization field using a plurality of localization field generators, obtaining first and second localization signals from first and second catheter-borne localization elements within the localization field, respectively, comparing the quadrature components of the first and second localization signals, and detecting a localization element/sheath state change for one of the catheter-borne localization elements based on the comparison between quadrature components. For example, withdrawal of a localization element into an introducer sheath can be detected when the comparison between quadrature components exceeds a preset amount. Conversely, re-emergence of the localization element from the introducer sheath can be detected when the comparison between quadrature components returns below the preset amount.