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APN Health Patents and Pending Technology Patents

  • SRA-136

    R-Wave Detection Method

    Scope:
    Same disclosure as SRA-135 but claims the R-wave gating method independent of catheter-tip tracking.
    Filings:
    US (issued); EPO, India, China and Canada (all pending)
    Status:
    Issued as US Patent No. 8,849,388 on 9/30/2014. Remaining claims were filed as SRA-136DIV.
    Priority Date:
    9/7/2012
  • SRA-136DIV

    R-Wave Detection Method

    Scope:
    Same disclosure as SRA-136 (and SRA-135). Claims are independent of catheter-tip tracking and cover R-wave gating method using multiple R-wave gates.
    Filings:
    US (issued); EPO, India, China and Canada (all pending)
    Status:
    Issued on April 21, 2015 as US Patent No. 9,014,794.
    Priority Date:
    9/7/2012
  • SRA-137

    Multi-Channel Cardiac Measurements

    Scope:
    Processing multiple-channel cardiac signals to measure numerous cardiac parameters including cycle lengths and local activation times. Depends on specific digital-filtering structure.
    Filings:
    US (issued); PCT (closed)
    Status:
    Issued as US Patent No. 8,788,024 on 7/22/2014. A modified claim 29 filed in SRA-137CIP.
    Priority Date:
    3/15/2013
  • SRA-137CIP

    Multi-Channel Cardiac Measurements

    Scope:
    Processing multiple-channel cardiac signals to determine LAT values by automatically selecting activations in the reference, mapping or both channels based on ventricular channel activations. Claims are broader than in SRA-137.
    Filings:
    US (issued)
    Status:
    Issued as US Patent No. 8,948,856 on 2/3/2015.
    Priority Date:
    3/15/2013 and 6/5/2014
  • SRA-138

    Multi-Channel Cardiac Measurements

    Scope:
    Continuation of SRA-137. Measuring LAT in multiple-channel cardiac signals using multiple reference-channel fiducial times. Also broadens SRA-137 claims.
    Filings:
    US (issued); Australia and EPO (both pending)
    Status:
    Issued as US Patent No. 8,768,440 on 7/1/2014.
    Priority Date:
    3/15/2013
  • SRA-139

    Multi-Channel Cardiac Measurements

    Scope:
    Continuation-in-part of SRA-137. Includes replacement of cardiac channels which have degraded during LAT measurement. Also broadens some aspects of SRA-137.
    Filings:
    US (issued); Australia, Canada, India, China and EPO (all pending using broader SRA-139CON claims)
    Status:
    Issued as US Patent No. 8,812,091 on 8/19/2014.
    Priority Date:
    6/20/2013 (and 3/15/2013)
  • SRA-139CON

    Multi-Channel Cardiac Measurements

    Scope:
    Continuation of SRA-139. Includes replacement of cardiac channels which have degraded during LAT measurement. Removes the limitation in claim 1 of automatically selecting the channels to be used.
    Filings:
    US (14/336,928)
    Status:
    Issued on February 3, 2015 as US Patent No. 8,948,857.
    Priority Date:
    6/20/2013 (and 3/15/2013)
  • SRA-140

    Heartbeat Detection and Categorization

    Scope:
    Signal processing algorithm using initial velocity absolute magnitudes of multiple ECG channels as detection indicator; using velocity vector matching to categorize detected heartbeats. Additional claims also include a second velocity measurement soon after the first.
    Filings:
    US (issued); PCT (not yet nationalized)
    Status:
    Issued on July 14, 2015 as US Patent No. 9,078,572.
    Priority Date:
    10/30/2013
  • SRA-140CIP

    Heartbeat Categorization

    Scope:
    Heartbeat categorization concepts from SRA-140 are claimed independently from the detection concepts of SRA-140. Some new disclosure is included.
    Filings:
    US (14/219,826)
    Status:
    Issued on July 14, 2015 as US Patent No. 9,078,575.
    Priority Date:
    10/30/2013 and 3/19/2014
  • SRA-141

    Time Transformation of Local Activation Times

    Scope:
    Monitoring of reference electrogram channels and transforming LAT values based on timing offsets (LATs) between reference channels when a reference channel being used for mapping loses stability and must be replaced with another reference. Prior LAT map values are not lost.
    Filings:
    US (14/497,162); PCT (not yet nationalized)
    Status:
    Issued on April 19, 2016 as United States Patent No. 9,314,179.
    Priority Date:
    9/25/2014
  • SRA-130 (Sra and Merrill)

    3D Model Creation of Anatomic Structures Using Single-Plane Fluoroscopy

    Scope:
    3D tracking of a catheter tip by sensing changes in the catheter length of insertion.
    Filings:
    US (issued); Canada (pending), China, EPO and Hong Kong (all abandoned)
    Status:
    Issued as US Patent No. 8,634,896 on 1/21/2014.
    Priority Date:
    9/20/2010
  • SRA-135

    Automatically Determining 3D Catheter Location and Orientation Using 2D Fluoroscopy Only

    Scope:
    3D tracking of a catheter tip by sensing changes in the catheter length of insertion.
    Filings:
    US (13/607,163), EPO, Korea, Australia, Singapore, China, Hong Kong, Canada and Brazil(all pending)
    Status:
    Received restriction requirement. Have responded to two office actions.
    Priority Date:
    9/7/2012

Jointly Held Patents

  • Method, Apparatus and Product for Acquiring Cardiac Images

    Appl. No: (10/707,993)
    US Patent No: 7,454,248
    Filing Date: 01/30/2004
    Grant Date: 11/18/2008
    Atty. Docket No: SRA-120US
    Foreign Counterparts: None
  • Methods and Apparatus for Assisting Cardiac Resynchronization Therapy

    Appl. No: (10/900,847)
    US Patent No: 7,613,500
    Filing Date: 12/20/2004
    Grant Date: 03/03/2009
    Atty. Docket No: SRA-121US
    Foreign Counterparts: China, Germany
  • Method and System for Registration of 3D Images Within an Interventional System

    Appl. No: (10/905,169)
    US Patent No: 7,499,743
    Filing Date: 12/20/2004
    Grant Date: 03/03/2009
    Atty. Docket No: SRA-123US
    Foreign Counterparts: None
  • Method and Apparatus for Medical Intervention Procedure Planning and Location and Navigation of an Intervention Tool

    Appl. No: (10/710,923)
    US Patent No: 7,778,686
    Filing Date: 8/12/2004
    Grant Date: 08/17/2010
    Atty. Docket No: SRA-104CIP
    Foreign Counterparts: China, Germany, Japan
  • Method and Apparatus for Registering 3D models of Anatomical Regions of a Heart and a Tracking System with Projection Images of an Interventional Fluoroscopic System

    Appl. No: (10/964,428)
    US Patent No: 8,515,527
    Filing Date: 10/13/2004
    Grant Date: 08/20/2013
    Atty. Docket No: SRA-124US
    Foreign Counterparts: France, Germany, Japan
  • Method and System for Registering 3D Models of Anatomical Regions with Projection Images of the Same

    Appl. No: (10/964,429)
    US Patent No: 7,327,872
    Filing Date: 10/13/2004
    Grant Date: 02/05/2008
    Atty. Docket No: SRA-125US
    Foreign Counterparts: France, Germany, Japan
  • Cycle and a Respiratory Cycle of a Person

    Appl. No: (11/928,484)
    US Patent No: 8,073,213
    Filing Date: 10/30/2007
    Grant Date: 12/06/2011
    Atty. Docket No: SRA-127US
    Foreign Counterparts: None
  • Methods for Displaying a Location of a Point of Interest on a 3D Model of an Anatomical Region

    Appl. No: (11/928,759)
    US Patent No: 7,995,819
    Filing Date: 10/30/2007
    Grant Date: 08/09/2011
    Atty. Docket No: SRA-128US
    Foreign Counterparts: None
  • Method, System and Computer Product for Cardiac Interventional Procedure Planning

    Appl. No: (10/063,064)
    US Patent No: 7,286,866
    Filing Date: 03/15/2002
    Grant Date: 10/23/2007
    Atty. Docket No: SRA-101US
    Foreign Counterparts: Germany, Japan
  • Method and Apparatus for Medical Intervention Procedure Planning

    Appl. No: (10/065,595)
    US Patent No: 7,346,381
    Filing Date: 11/01/2002
    Grant Date: 03/18/2008
    Atty. Docket No: SRA-104US
    Foreign Counterparts: China, Germany, Japan, Netherlands
  • Cardiac CT System and Method for Planning and Treatment of Biventricular Pacing Using Epicardial Lead

    Appl. No: (10/249,815)
    US Patent No: 7,343,196
    Filing Date: 05/09/2003
    Grant Date: 03/11/2008
    Atty. Docket No: SRA-107US
    Foreign Counterparts: China, Japan, Netherlands
  • Cardiac Imaging System and Method for Quantification of Desynchrony of Ventricles for Biventricular Pacing

    Appl. No: (10/605,903)
    US Patent No: 7,308,297
    Filing Date: 11/05/2003
    Grant Date: 12/11/2007
    Atty. Docket No: SRA-116US
    Foreign Counterparts: China, Germany
  • Cardiac CT System and Method for Planning Left Atrial Appendage Isolation

    Appl. No: (10/249,783)
    US Patent No: 7,747,047
    Filing Date: 05/07/2003
    Grant Date: 06/29/2010
    Atty. Docket No: SRA-105US
    Foreign Counterparts: China, Germany, Japan
  • Cardiac CT System and Method for Planning Atrial Fibrillation Intervention

    Appl. No: 10/249,812
    US Patent No: 7,565,190
    Filing Date: 05/09/2003
    Grant Date: 07/21/2009
    Atty. Docket No: SRA-106US
    Foreign Counterparts: None
  • Method, Apparatus and Product for Acquiring Cardiac Images

    Appl. No: (10/691,314)
    US Patent No: 7,308,299
    Filing Date: 10/22/2003
    Grant Date: 12/11/2007
    Atty. Docket No: SRA-112US
    Foreign Counterparts: None
  • Cardiac Imaging System and Method for Planning Minimally Invasive Direct Coronary Artery Bypass Surgery

    Appl. No: (10/708,564)
    US Patent No: 7,813,785
    Filing Date: 03/11/2004
    Grant Date: 10/12/2010
    Atty. Docket No: SRA-117US
    Foreign Counterparts: China, Europe, Japan

Navik 3D is intended for catheter-based atrial and ventricular mapping using compatible catheters, and acquired data from compatible fluoroscopy systems and patient recording and monitoring systems. Navik 3D is intended to provide 3D location of these catheters from acquired 2D fluoroscopic images. The device allows real-time display of cardiac maps in a number of different formats, including anatomical maps, cardiac electrical activation maps and cardiac voltage maps.

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