Patents Assigned to Rhythmia Medical, Inc.
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Publication number: 20140200442Abstract: In general, in one aspect, a method is disclosed for determining information about a position of an object. The method includes: (i) causing current to flow between each of three or more sets of current-injecting electrodes on a first catheter inserted into an organ in a patient's body, the organ having a periphery (ii) in response to current flow caused by each set of current injecting electrodes, measuring an electrical signal at each of one or more measuring electrodes located on one or more additional catheters inserted into the organ in the patient's body and (iii) determining the position of each of one or more of the measuring electrodes on the additional catheters relative to the first catheter based on the measured signals from the one or more measuring electrodes.Type: ApplicationFiled: March 18, 2014Publication date: July 17, 2014Applicant: Rhythmia Medical, Inc.Inventors: Doron Harlev, Rotem Eldar, Zsolt Badics
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Patent number: 8755861Abstract: A multi electrode catheter for non contact mapping of the heart having independent articulation and deployment features.Type: GrantFiled: April 23, 2013Date of Patent: June 17, 2014Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Justin Callaway
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Patent number: 8744566Abstract: Methods and systems for the determination and representation of anatomy anatomical information are disclosed herein. Methods and systems described herein include generating anatomical information about the heart based on positions of the catheter electrodes and the electrical signals from the electrodes at the determined subset of electrode positions.Type: GrantFiled: June 13, 2012Date of Patent: June 3, 2014Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Alpar Csendes, Zsolt Badics
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Patent number: 8725240Abstract: In general, in one aspect, a method is disclosed for determining information about a position of an object. The method includes: (i) causing current to flow between each of three or more sets of current-injecting electrodes on a first catheter inserted into an organ in a patient's body, the organ having a periphery (ii) in response to current flow caused by each set of current injecting electrodes, measuring an electrical signal at each of one or more measuring electrodes located on one or more additional catheters inserted into the organ in the patient's body and (iii) determining the position of each of one or more of the measuring electrodes on the additional catheters relative to the first catheter based on the measured signals from the one or more measuring electrodes.Type: GrantFiled: August 20, 2013Date of Patent: May 13, 2014Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Rotem Eldar, Zsolt Badics
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Publication number: 20140107508Abstract: Methods and systems for determining whether a location of multiple current injecting electrodes has changed are disclosed herein.Type: ApplicationFiled: December 20, 2013Publication date: April 17, 2014Applicant: Rhythmia Medical, Inc.Inventors: Doron Harlev, Derek Kane, Brian Stewart, Paul Hultz, Alpar Csendes
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Patent number: 8694074Abstract: Methods and systems for determining whether a location of multiple current injecting electrodes has changed are disclosed herein.Type: GrantFiled: May 11, 2010Date of Patent: April 8, 2014Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Derek Kane, Brian Stewart, Paul Hultz, Alpar Csendes
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Publication number: 20140024911Abstract: In some aspects, a method includes (i) securing multiple sets of current injecting electrodes to an organ in a patient's body, (ii) causing current to flow among the multiple sets of current injecting electrodes to generate a field in the organ, (iii) in response to current flow caused by the multiple sets of current injecting electrodes, measuring the field at each of one or more additional electrodes, (iv) determining expected signal measurements of the field inside the organ using a pre-determined model of the field, and (v) determining a position of each of the one or more additional electrodes in the organ based on the measurements made by the additional electrodes and the determined expected signal measurements of the field.Type: ApplicationFiled: September 23, 2013Publication date: January 23, 2014Applicant: Rhythmia Medical, Inc.Inventors: Doron Harlev, Rotem Eldar
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Publication number: 20130345538Abstract: In general, in one aspect, a method is disclosed for determining information about a position of an object. The method includes: (i) causing current to flow between each of three or more sets of current-injecting electrodes on a first catheter inserted into an organ in a patient's body, the organ having a periphery (ii) in response to current flow caused by each set of current injecting electrodes, measuring an electrical signal at each of one or more measuring electrodes located on one or more additional catheters inserted into the organ in the patient's body and (iii) determining the position of each of one or more of the measuring electrodes on the additional catheters relative to the first catheter based on the measured signals from the one or more measuring electrodes.Type: ApplicationFiled: August 20, 2013Publication date: December 26, 2013Applicant: Rhythmia Medical, Inc.Inventors: Doron Harlev, Rotem Eldar, Zsolt Badics
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Patent number: 8615287Abstract: Methods and systems are disclosed for determining information about a position of an object within a distribution of materials having different complex conductivities. The method includes: (i) causing current to flow in the distribution; (ii) measuring an electrical signal at each of multiple locations in the distribution of materials in response to the current flow; (iii) providing spatial information about the distribution of materials with respect to a first reference frame, the spatial information indicative of regions of different complex conductivity in the distribution of materials; and (iv) determining the position of the object with respect to the spatial information about the distribution of materials based on measured electrical signals and the spatial information. In certain embodiments, the object is a catheter inserted into a patients heart cavity for cardiac mapping.Type: GrantFiled: August 30, 2010Date of Patent: December 24, 2013Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Adam Pidlisecky
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Patent number: 8571647Abstract: Methods and systems for determining anatomical information based on signals measured by multiple, spatially distributed electrodes on a catheter are disclosed herein. In some examples, methods and systems disclosed herein can include causing current to flow between at least some of the electrodes, measuring an electrical signal at each of one or more measuring electrodes, and determining anatomical information based on the measured signals.Type: GrantFiled: May 8, 2009Date of Patent: October 29, 2013Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Alpar Csendes, Zsolt Badics
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Patent number: 8568406Abstract: In some aspects, a method includes (i) securing multiple sets of current injecting electrodes to an organ in a patient's body, (ii) causing current to flow among the multiple sets of current injecting electrodes to generate a field in the organ, (iii) in response to current flow caused by the multiple sets of current injecting electrodes, measuring the field at each of one or more additional electrodes, (iv) determining expected signal measurements of the field inside the organ using a pre-determined model of the field, and (v) determining a position of each of the one or more additional electrodes in the organ based on the measurements made by the additional electrodes and the determined expected signal measurements of the field.Type: GrantFiled: February 9, 2012Date of Patent: October 29, 2013Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Rotem Eldar
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Publication number: 20130261483Abstract: A non-contact cardiac mapping method is disclosed that includes: (i) inserting a catheter into a heart cavity having an endocardium surface, the catheter including multiple, spatially distributed electrodes; (ii) measuring signals at the catheter electrodes in response to electrical activity in the heart cavity with the catheter spaced from the endocardium surface; and (iii) determining physiological information at multiple locations of the endocardium surface based on the measured signals and positions of the electrodes with respect to the endocardium surface. Related systems and computer programs are also disclosed.Type: ApplicationFiled: April 1, 2013Publication date: October 3, 2013Applicant: RHYTHMIA MEDICAL, INC.Inventors: Doron Harlev, Pavel Greenfield, Leon Amariglio
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Publication number: 20130253298Abstract: A multi electrode catheter for non contact mapping of the heart having independent articulation and deployment features.Type: ApplicationFiled: April 23, 2013Publication date: September 26, 2013Applicant: Rhythmia, Medical, Inc.Inventors: Doron Harlev, Justin Callaway
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Patent number: 8538509Abstract: In general, in one aspect, a method is disclosed for determining information about a position of an object. The method includes: (i) causing current to flow between each of three or more sets of current-injecting electrodes on a first catheter inserted into an organ in a patient's body, the organ having a periphery (ii) in response to current flow caused by each set of current injecting electrodes, measuring an electrical signal at each of one or more measuring electrodes located on one or more additional catheters inserted into the organ in the patient's body and (iii) determining the position of each of one or more of the measuring electrodes on the additional catheters relative to the first catheter based on the measured signals from the one or more measuring electrodes.Type: GrantFiled: April 2, 2008Date of Patent: September 17, 2013Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Rotem Eldar, Zsolt Badics
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Patent number: 8463368Abstract: In general, in one aspect, a method is disclosed for determining information about a position of an object. The method includes: (i) causing current to flow between each of three or more sets of current-injecting electrodes on a first catheter inserted into an organ in a patient's body, the organ having a periphery (ii) in response to current flow caused by each set of current injecting electrodes, measuring an electrical signal at each of one or more measuring electrodes located on one or more additional catheters inserted into the organ in the patient's body and (iii) determining the position of each of one or more of the measuring electrodes on the additional catheters relative to the first catheter based on the measured signals from the one or more measuring electrodes.Type: GrantFiled: May 8, 2012Date of Patent: June 11, 2013Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Rotem Eldar, Zsolt Badics
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Patent number: 8447377Abstract: A multi electrode catheter for non contact mapping of the heart having independent articulation and deployment features.Type: GrantFiled: November 4, 2011Date of Patent: May 21, 2013Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Justin Callaway
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Publication number: 20130109945Abstract: This invention relates to the determination and/or representation of physiological information relating to a heart surface.Type: ApplicationFiled: December 18, 2012Publication date: May 2, 2013Applicant: Rhythmia Medical, Inc.Inventors: Doron Harlev, Brian Stewart
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Patent number: 8433394Abstract: A non-contact cardiac mapping method is disclosed that includes: (i) inserting a catheter into a heart cavity having an endocardium surface, the catheter including multiple, spatially distributed electrodes; (ii) measuring signals at the catheter electrodes in response to electrical activity in the heart cavity with the catheter spaced from the endocardium surface; and (iii) determining physiological information at multiple locations of the endocardium surface based on the measured signals and positions of the electrodes with respect to the endocardium surface. Related systems and computer programs are also disclosed.Type: GrantFiled: March 10, 2011Date of Patent: April 30, 2013Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Pavel Greenfield, Leon Amariglio
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Patent number: 8428700Abstract: This invention relates to the determination and/or representation of physiological information relating to a heart surface.Type: GrantFiled: July 14, 2011Date of Patent: April 23, 2013Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Brian Stewart
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Patent number: 8401625Abstract: In some aspects, a method includes measuring unipolar signals at one or more electrodes in response to electrical activity in a heart cavity. The method also includes determining, based at least in part on Laplace's equation, bipolar physiological information at multiple locations of an surface based on the measured unipolar signals and positions of the one or more electrodes with respect to the surface.Type: GrantFiled: July 19, 2011Date of Patent: March 19, 2013Assignee: Rhythmia Medical, Inc.Inventors: Doron Harlev, Zsolt Badics