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. 12, 2024
Filed:
Jul. 15, 2020
St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US);
Timothy G. Curran, St. Paul, MN (US);
ST. JUDE MEDICAL, CARDIOLOGY DIVISION, INC., St. Paul, MN (US);
Abstract
The present disclosure is directed to interleaving electrical noise generating operations with impedance measurements in a medical localization system. The systems and methods continuously and simultaneously provide unique frequency drive signals, which are harmonics of a common base frequency, across electrode patches to generate an electrical field. Response signals electrodes in the electric field are measured and synchronously demodulated. A demodulated data stream is then filtered (e.g., decimated) to generate impedance-based values proportional to the location of the electrode for each unique frequency. The demodulated data stream into the filter is paused to allow operation of an electrical noise generating device such a magnetic field-based localization system. More specifically, the data stream is paused for a time period equal to an integer multiple of a base period of the common base frequency. This allows resuming filtering of the demodulated data stream free of any frequency discontinuity.