Patents by Inventor Paul Hultz
Paul Hultz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11589768Abstract: Medical devices and methods for making and using medical devices are disclosed. An example electrophysiology medical device may include a catheter shaft including a distal end portion and a sensing assembly having three or more terminals. The sensing assembly includes one or more current-carrying electrodes and one or more sensing electrodes. The one or more current-carrying electrodes, the one or more sensing electrodes, or both includes a mini-electrode. The mini-electrode is disposed on one of the other electrodes. The medical device may also include a controller coupled to the sensing assembly.Type: GrantFiled: January 3, 2020Date of Patent: February 28, 2023Assignee: Boston Scientific Scimed Inc.Inventors: Leon Fay, Paul Hultz
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Publication number: 20200138331Abstract: Medical devices and methods for making and using medical devices are disclosed. An example electrophysiology medical device may include a catheter shaft including a distal end portion and a sensing assembly having three or more terminals. The sensing assembly includes one or more current-carrying electrodes and one or more sensing electrodes. The one or more current-carrying electrodes, the one or more sensing electrodes, or both includes a mini-electrode. The mini-electrode is disposed on one of the other electrodes. The medical device may also include a controller coupled to the sensing assembly.Type: ApplicationFiled: January 3, 2020Publication date: May 7, 2020Inventors: Leon Fay, Paul Hultz
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Patent number: 10575900Abstract: A catheter system includes a catheter comprising a tip assembly, the tip assembly having a plurality of electrodes and the plurality of electrodes are configured to measure electrical signals. The system also includes a processing unit configured to: receive a first electrical signal sensed by a first electrode of the plurality of electrodes and a second electrical signal sensed by a second electrode of the plurality of electrodes. A first vector is determined based on the first electrical signal that corresponds to the first electrode. A second vector is determined based on the second electrical signal that corresponds to the second electrode. A resultant vector is determined by summing at least the first vector and the second vector, wherein the resultant vector is indicative of the orientation of the tip assembly.Type: GrantFiled: November 18, 2016Date of Patent: March 3, 2020Assignee: Boston Scientific Scimed IncInventors: Jacob I. Laughner, Jason J. Hamann, Shibaji Shome, Allan C. Shuros, Mary M. Byron, Paul Hultz, Pramodsingh H. Thakur
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Patent number: 10524684Abstract: Medical devices and methods for making and using medical devices are disclosed. An example electrophysiology medical device may include a catheter shaft including a distal end portion and a sensing assembly having three or more terminals. The sensing assembly includes one or more current-carrying electrodes and one or more sensing electrodes. The one or more current-carrying electrodes, the one or more sensing electrodes, or both includes a mini-electrode. The mini-electrode is disposed on one of the other electrodes. The medical device may also include a controller coupled to the sensing assembly.Type: GrantFiled: October 12, 2015Date of Patent: January 7, 2020Assignee: Boston Scientific Scimed IncInventors: Leon Fay, Paul Hultz
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Patent number: 10405766Abstract: Methods and systems for mapping and displaying cardiac structures are disclosed. The method includes sensing cardiac electrical signals at a plurality of points and generating a cardiac map of at least a portion of one or more cardiac structures based on at least a portion of the sensed cardiac electrical signals. A surface map having a corresponding first position relative to the cardiac map is generated. The surface map includes a first surface point, where a first cardiac electrical signal feature is represented on the surface map at the first surface point if a corresponding first cardiac electrical signal is sensed at a point that is located within a threshold distance of the first surface point. The cardiac map and the surface map, at the first position, are displayed. The surface map may be repositioned to a second position.Type: GrantFiled: September 25, 2016Date of Patent: September 10, 2019Assignee: Boston Scientific Scimed, Inc.Inventors: Brian Stewart, Doron Harlev, Mordechai Perlman, Paul Hultz
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Patent number: 10368767Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a system for mapping the electrical activity of the heart. The system may include a catheter shaft with a plurality of electrodes. The system may also include a processor. The processor may be capable of collecting a set of signals from at least one of the plurality of electrodes. The set of signals may be collected over a time period. The processor may also be capable of calculating at least one propagation vector from the set of signals, generating a data set from the at least one propagation vector, generating a statistical distribution of the data set and generating a visual representation of the statistical distribution.Type: GrantFiled: October 8, 2018Date of Patent: August 6, 2019Assignee: Boston Scientific Scimed Inc.Inventors: Jacob I. Laughner, Shibaji Shome, Paul Hultz, Kevin J. Stalsberg, Pramodsingh H. Thakur
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Publication number: 20190038161Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a system for mapping the electrical activity of the heart. The system may include a catheter shaft with a plurality of electrodes. The system may also include a processor. The processor may be capable of collecting a set of signals from at least one of the plurality of electrodes. The set of signals may be collected over a time period. The processor may also be capable of calculating at least one propagation vector from the set of signals, generating a data set from the at least one propagation vector, generating a statistical distribution of the data set and generating a visual representation of the statistical distribution.Type: ApplicationFiled: October 8, 2018Publication date: February 7, 2019Inventors: Jacob I. Laughner, Shibaji Shome, Paul Hultz, Kevin J. Stalsberg, Pramodsingh H. Thakur
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Patent number: 10092204Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a system for mapping the electrical activity of the heart. The system may include a catheter shaft with a plurality of electrodes. The system may also include a processor. The processor may be capable of collecting a set of signals from at least one of the plurality of electrodes. The set of signals may be collected over a time period. The processor may also be capable of calculating at least one propagation vector from the set of signals, generating a data set from the at least one propagation vector, generating a statistical distribution of the data set and generating a visual representation of the statistical distribution.Type: GrantFiled: July 11, 2017Date of Patent: October 9, 2018Assignee: Boston Scientific Scimed Inc.Inventors: Jacob I. Laughner, Shibaji Shome, Paul Hultz, Kevin J. Stalsberg, Pramodsingh H. Thakur
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Patent number: 9848795Abstract: An expandable electrode assembly for use in a cardiac mapping procedure includes multiple bipolar electrode pairs including a first electrode located on an outer surface and a second electrode located on an inner surface of the individual splines forming the expandable electrode assembly. Such an electrode arrangement may produce improved electrical activation signals which may be used to produce a more accurate map of the electrical activity of a patient's heart.Type: GrantFiled: May 27, 2015Date of Patent: December 26, 2017Assignee: Boston Scientific Scimed Inc.Inventors: Andrew T. Marecki, Paul Hultz, Michael C. Kozlowski, Brian Stewart
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Publication number: 20170303807Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a system for mapping the electrical activity of the heart. The system may include a catheter shaft with a plurality of electrodes. The system may also include a processor. The processor may be capable of collecting a set of signals from at least one of the plurality of electrodes. The set of signals may be collected over a time period. The processor may also be capable of calculating at least one propagation vector from the set of signals, generating a data set from the at least one propagation vector, generating a statistical distribution of the data set and generating a visual representation of the statistical distribution.Type: ApplicationFiled: July 11, 2017Publication date: October 26, 2017Inventors: Jacob I. Laughner, Shibaji Shome, Paul Hultz, Kevin J. Stalsberg, Pramodsingh H. Thakur
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Patent number: 9795314Abstract: Medical devices and methods for making and using medical devices are disclosed. An example method may include a method of identifying an activation time in a cardiac electrical signal. The method may include sensing a cardiac electrical signal, generating an approximation signal based at least in part on one or more parameters of the cardiac electrical signal, identifying a fiducial point on the approximation signal and determining, based at least in part on a timing of the fiducial point in the approximation signal, an activation time in the cardiac electrical signal.Type: GrantFiled: August 8, 2016Date of Patent: October 24, 2017Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Jacob I. Laughner, Paul Hultz, Shibaji Shome, Pramodsingh H. Thakur, Scott A. Meyer
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Patent number: 9743854Abstract: Electrodes are used to measure an electrical signal (e.g., an electrogram). One or more filters are applied to the electrical signal to generate one or more filtered signals. Features of the filtered signals are evaluated to assess a sharpness corresponding to the electrical signal. Based on the sharpness, various characteristics of a morphology of the electrogram may be evaluated over a time period.Type: GrantFiled: December 18, 2015Date of Patent: August 29, 2017Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Brian Stewart, Adam Magen, Nathan H. Bennett, Michal Weisman, Paul Hultz
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Patent number: 9730603Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a system for mapping the electrical activity of the heart. The system may include a catheter shaft with a plurality of electrodes. The system may also include a processor. The processor may be capable of collecting a set of signals from at least one of the plurality of electrodes. The set of signals may be collected over a time period. The processor may also be capable of calculating at least one propagation vector from the set of signals, generating a data set from the at least one propagation vector, generating a statistical distribution of the data set and generating a visual representation of the statistical distribution.Type: GrantFiled: June 19, 2015Date of Patent: August 15, 2017Assignee: Boston Scientific Scimed Inc.Inventors: Jacob I. Laughner, Shibaji Shome, Paul Hultz, Kevin J. Stalsberg, Pramodsingh H. Thakur
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Publication number: 20170172508Abstract: Systems for facilitating display of cardiac mapping information include a mapping probe configured to sense cardiac electrical signals. The systems also include a processing unit configured to receive the cardiac electrical signals; determine signal features; and determine conduction characteristics. The processing unit also is configured to generate, based on the signal features and the corresponding conduction characteristics, a cardiac map.Type: ApplicationFiled: December 19, 2016Publication date: June 22, 2017Inventors: Paul Hultz, Mordechai Perlman, Nathan H. Bennett, Brian Stewart
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Publication number: 20170143415Abstract: A catheter system includes a catheter comprising a tip assembly, the tip assembly having a plurality of electrodes and the plurality of electrodes are configured to measure electrical signals. The system also includes a processing unit configured to: receive a first electrical signal sensed by a first electrode of the plurality of electrodes and a second electrical signal sensed by a second electrode of the plurality of electrodes. A first vector is determined based on the first electrical signal that corresponds to the first electrode. A second vector is determined based on the second electrical signal that corresponds to the second electrode. A resultant vector is determined by summing at least the first vector and the second vector, wherein the resultant vector is indicative of the orientation of the tip assembly.Type: ApplicationFiled: November 18, 2016Publication date: May 25, 2017Inventors: Jacob I. Laughner, Jason J. Hamann, Shibaji Shome, Allan C. Shuros, Mary M. Byron, Paul Hultz, Pramodsingh H. Thakur
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Publication number: 20170086694Abstract: Methods and systems for mapping and displaying cardiac structures are disclosed. The method includes sensing cardiac electrical signals at a plurality of points and generating a cardiac map of at least a portion of one or more cardiac structures based on at least a portion of the sensed cardiac electrical signals. A surface map having a corresponding first position relative to the cardiac map is generated. The surface map includes a first surface point, where a first cardiac electrical signal feature is represented on the surface map at the first surface point if a corresponding first cardiac electrical signal is sensed at a point that is located within a threshold distance of the first surface point. The cardiac map and the surface map, at the first position, are displayed. The surface map may be repositioned to a second position.Type: ApplicationFiled: September 25, 2016Publication date: March 30, 2017Inventors: Brian Stewart, Doron Harlev, Mordechai Perlman, Paul Hultz
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Publication number: 20160345852Abstract: Medical devices and methods for making and using medical devices are disclosed. An example method may include a method of identifying an activation time in a cardiac electrical signal. The method may include sensing a cardiac electrical signal, generating an approximation signal based at least in part on one or more parameters of the cardiac electrical signal, identifying a fiducial point on the approximation signal and determining, based at least in part on a timing of the fiducial point in the approximation signal, an activation time in the cardiac electrical signal.Type: ApplicationFiled: August 8, 2016Publication date: December 1, 2016Inventors: Jacob I. Laughner, Paul Hultz, Shibaji Shome, Pramodsingh H. Thakur, Scott A. Meyer
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Publication number: 20160242667Abstract: Medical devices and methods for making and using medical devices are disclosed. An example system for sensing tissue contact is disclosed. The system comprises a catheter shaft including a distal end portion. The distal end portion includes a sensing assembly having a plurality of electrodes. The plurality of electrodes includes a current-carrying electrode, a first sensing electrode and a second sensing electrode. The first sensing electrode is positioned a first distance from the current-carrying electrode. The second sensing electrode is positioned a second distance from the current-carrying electrode and the first distance is different from the second distance. The system also includes a controller coupled to the plurality of mapping electrodes. The controller is capable of calculating a parameter based at least in part on the first and the second distances.Type: ApplicationFiled: February 19, 2016Publication date: August 25, 2016Inventors: Leon Fay, Paul Hultz, Doron Harlev
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Patent number: 9408544Abstract: Medical devices and methods for making and using medical devices are disclosed. An example method may include a method of identifying an activation time in a cardiac electrical signal. The method may include sensing a cardiac electrical signal, generating an approximation signal based at least in part on one or more parameters of the cardiac electrical signal, identifying a fiducial point on the approximation signal and determining, based at least in part on a timing of the fiducial point in the approximation signal, an activation time in the cardiac electrical signal.Type: GrantFiled: May 7, 2015Date of Patent: August 9, 2016Assignee: Boston Scientific Scimed, Inc.Inventors: Jacob I. Laughner, Paul Hultz, Shibaji Shome, Pramodsingh Hirasingh Thakur, Scott A. Meyer
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Publication number: 20160174865Abstract: Electrodes are used to measure an electrical signal (e.g., an electrogram). One or more filters are applied to the electrical signal to generate one or more filtered signals. Features of the filtered signals are evaluated to assess a sharpness corresponding to the electrical signal. Based on the sharpness, various characteristics of a morphology of the electrogram may be evaluated over a time period.Type: ApplicationFiled: December 18, 2015Publication date: June 23, 2016Inventors: Brian Stewart, Adam Magen, Nathan H. Bennett, Michal Weisman, Paul Hultz