Patents by Inventor Mark K. Erickson
Mark K. Erickson 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: 11938326Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.Type: GrantFiled: February 18, 2022Date of Patent: March 26, 2024Assignee: Medtronic, Inc.Inventors: Hyun J. Yoon, Wade M. Demmer, Matthew J. Hoffman, Robert A. Betzold, Jonathan D. Edmonson, Michael L. Ellingson, Mark K. Erickson, Ben W. Herberg, Juliana E. Pronovici, James D. Reinke, Todd J. Sheldon, Paul R. Solheim
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Publication number: 20230271017Abstract: An intracardiac ventricular pacemaker is configured to operate in in a selected one of an atrial-tracking ventricular pacing mode and a non-atrial tracking ventricular pacing mode. A control circuit of the pacemaker determines at least one motion signal metric from the motion signal, compares the at least one motion signal metric to pacing mode switching criteria, and, responsive to the pacing mode switching criteria being satisfied, switches from the selected one of the non-atrial tracking pacing mode and the atrial tracking pacing mode to the other one of the non-atrial tracking pacing mode and the atrial tracking pacing mode for controlling ventricular pacing pulses delivered by the pacemaker.Type: ApplicationFiled: May 5, 2023Publication date: August 31, 2023Inventors: Todd J. Sheldon, Yong K. CHO, Wade M. DEMMER, Mark K. ERICKSON, Vincent E. SPLETT
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Patent number: 11684784Abstract: An intracardiac ventricular pacemaker is configured to operate in in a selected one of an atrial-tracking ventricular pacing mode and a non-atrial tracking ventricular pacing mode. A control circuit of the pacemaker determines at least one motion signal metric from the motion signal, compares the at least one motion signal metric to pacing mode switching criteria, and, responsive to the pacing mode switching criteria being satisfied, switches from the selected one of the non-atrial tracking pacing mode and the atrial tracking pacing mode to the other one of the non-atrial tracking pacing mode and the atrial tracking pacing mode for controlling ventricular pacing pulses delivered by the pacemaker.Type: GrantFiled: November 30, 2020Date of Patent: June 27, 2023Assignee: Medtronic, Inc.Inventors: Todd J. Sheldon, Yong K. Cho, Wade M. Demmer, Mark K. Erickson, Vincent E. Splett
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Publication number: 20220323769Abstract: An intracardiac ventricular pacemaker is configured to detect a ventricular diastolic event from a motion signal received by a pacemaker control circuit from a motion sensor. The control circuit starts an atrial refractory period having an expiration time set based on a time of the detection of the ventricular diastolic event. The control circuit detects an atrial systolic event from the motion signal after expiration of the atrial refractory period and controls a pulse generator of the pacemaker to deliver a pacing pulse to a ventricle of a patient's heart at a first atrioventricular pacing time interval after the atrial systolic event detection.Type: ApplicationFiled: April 18, 2022Publication date: October 13, 2022Inventors: Vincent E. SPLETT, Todd J. SHELDON, Yong K. CHO, Wade M. DEMMER, Mark K. ERICKSON
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Publication number: 20220288397Abstract: An intracardiac ventricular pacemaker having a motion sensor is configured to produce a motion signal including an atrial systolic event and a ventricular diastolic event indicating a passive ventricular filling phase, set a detection threshold to a first amplitude during an expected time interval of the ventricular diastolic event and to a second amplitude lower than the first amplitude after an expected time interval of the ventricular diastolic event. The pacemaker is configured to detect the atrial systolic event in response to the motion signal crossing the detection threshold and set an atrioventricular pacing interval in response to detecting the atrial systolic event.Type: ApplicationFiled: May 25, 2022Publication date: September 15, 2022Inventors: Vincent E. SPLETT, Todd J. SHELDON, Yong K. CHO, Wade M. DEMMER, Mark K. ERICKSON
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Patent number: 11357987Abstract: An intracardiac ventricular pacemaker having a motion sensor is configured to produce a motion signal including an atrial systolic event and a ventricular diastolic event indicating a passive ventricular filling phase, set a detection threshold to a first amplitude during an expected time interval of the ventricular diastolic event and to a second amplitude lower than the first amplitude after an expected time interval of the ventricular diastolic event. The pacemaker is configured to detect the atrial systolic event in response to the motion signal crossing the detection threshold and set an atrioventricular pacing interval in response to detecting the atrial systolic event.Type: GrantFiled: October 16, 2019Date of Patent: June 14, 2022Assignee: Medtronic, Inc.Inventors: Vincent E. Splett, Todd J. Sheldon, Yong K. Cho, Wade M. Demmer, Mark K. Erickson
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Publication number: 20220168578Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.Type: ApplicationFiled: February 18, 2022Publication date: June 2, 2022Inventors: Hyun J. Yoon, Wade M. Demmer, Matthew J. Hoffman, Robert A. Betzold, Jonathan D. Edmonson, Michael L. Ellingson, Mark K. Erickson, Ben W. Herberg, Juliana E. Pronovici, James D. Reinke, Todd J. Sheldon, Paul R. Solheim
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Patent number: 11305126Abstract: An intracardiac ventricular pacemaker is configured to detect a ventricular diastolic event from a motion signal received by a pacemaker control circuit from a motion sensor. The control circuit starts an atrial refractory period having an expiration time set based on a time of the detection of the ventricular diastolic event. The control circuit detects an atrial systolic event from the motion signal after expiration of the atrial refractory period and controls a pulse generator of the pacemaker to deliver a pacing pulse to a ventricle of a patient's heart at a first atrioventricular pacing time interval after the atrial systolic event detection.Type: GrantFiled: December 19, 2019Date of Patent: April 19, 2022Assignee: Medtronic, Inc.Inventors: Vincent E. Splett, Todd J. Sheldon, Yong K. Cho, Wade M. Demmer, Mark K. Erickson
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Patent number: 11253707Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.Type: GrantFiled: October 14, 2019Date of Patent: February 22, 2022Assignee: Medtronic, Inc.Inventors: Hyun J. Yoon, Wade M. Demmer, Matthew J. Hoffman, Robert A. Betzold, Jonathan D. Edmonson, Michael L. Ellingson, Mark K. Erickson, Ben W. Herberg, Juliana E. Pronovici, James D. Reinke, Todd J. Sheldon, Paul R. Solheim
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Publication number: 20210353946Abstract: An intracardiac pacemaker system is configured to produce physiological atrial event signals by a sensing circuit of a ventricular intracardiac pacemaker and select a first atrial event input as the physiological atrial event signals. The ventricular intracardiac pacemaker detects atrial events from the selected first atrial event input, determines if input switching criteria are met, and switches from the first atrial event input to a second atrial event input in response to the input switching criteria being met. The second atrial event input includes broadcast atrial event signals produced by a second implantable medical device and received by the ventricular intracardiac pacemaker.Type: ApplicationFiled: August 2, 2021Publication date: November 18, 2021Inventors: Wade M. DEMMER, Yong K. CHO, Mark K. ERICKSON, Todd J. SHELDON
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Patent number: 11077307Abstract: An intracardiac pacemaker system is configured to produce physiological atrial event signals by a sensing circuit of a ventricular intracardiac pacemaker and select a first atrial event input as the physiological atrial event signals. The ventricular intracardiac pacemaker detects atrial events from the selected first atrial event input, determines if input switching criteria are met, and switches from the first atrial event input to a second atrial event input in response to the input switching criteria being met. The second atrial event input includes broadcast atrial event signals produced by a second implantable medical device and received by the ventricular intracardiac pacemaker.Type: GrantFiled: June 24, 2019Date of Patent: August 3, 2021Assignee: Medtronic, Inc.Inventors: Wade M. Demmer, Yong K. Cho, Mark K. Erickson, Todd J. Sheldon
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Publication number: 20210077815Abstract: An intracardiac ventricular pacemaker is configured to operate in in a selected one of an atrial-tracking ventricular pacing mode and a non-atrial tracking ventricular pacing mode. A control circuit of the pacemaker determines at least one motion signal metric from the motion signal, compares the at least one motion signal metric to pacing mode switching criteria, and, responsive to the pacing mode switching criteria being satisfied, switches from the selected one of the non-atrial tracking pacing mode and the atrial tracking pacing mode to the other one of the non-atrial tracking pacing mode and the atrial tracking pacing mode for controlling ventricular pacing pulses delivered by the pacemaker.Type: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Todd J. SHELDON, Yong K. CHO, Wade M. DEMMER, Mark K. ERICKSON, Vincent E. SPLETT
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Patent number: 10864377Abstract: An intracardiac ventricular pacemaker is configured to operate in in a selected one of an atrial-tracking ventricular pacing mode and a non-atrial tracking ventricular pacing mode. A control circuit of the pacemaker determines at least one motion signal metric from the motion signal, compares the at least one motion signal metric to pacing mode switching criteria, and, responsive to the pacing mode switching criteria being satisfied, switches from the selected one of the non-atrial tracking pacing mode and the atrial tracking pacing mode to the other one of the non-atrial tracking pacing mode and the atrial tracking pacing mode for controlling ventricular pacing pulses delivered by the pacemaker.Type: GrantFiled: June 28, 2018Date of Patent: December 15, 2020Assignee: Medtronic, Inc.Inventors: Todd J. Sheldon, Yong K. Cho, Wade M. Demmer, Mark K. Erickson, Vincent E. Splett
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Publication number: 20200121932Abstract: An intracardiac ventricular pacemaker is configured to detect a ventricular diastolic event from a motion signal received by a pacemaker control circuit from a motion sensor. The control circuit starts an atrial refractory period having an expiration time set based on a time of the detection of the ventricular diastolic event. The control circuit detects an atrial systolic event from the motion signal after expiration of the atrial refractory period and controls a pulse generator of the pacemaker to deliver a pacing pulse to a ventricle of a patient's heart at a first atrioventricular pacing time interval after the atrial systolic event detection.Type: ApplicationFiled: December 19, 2019Publication date: April 23, 2020Inventors: Vincent E. SPLETT, Todd J. SHELDON, Yong K. CHO, Wade M. DEMMER, Mark K. ERICKSON
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Publication number: 20200046983Abstract: An intracardiac ventricular pacemaker having a motion sensor is configured to produce a motion signal including an atrial systolic event and a ventricular diastolic event indicating a passive ventricular filling phase, set a detection threshold to a first amplitude during an expected time interval of the ventricular diastolic event and to a second amplitude lower than the first amplitude after an expected time interval of the ventricular diastolic event. The pacemaker is configured to detect the atrial systolic event in response to the motion signal crossing the detection threshold and set an atrioventricular pacing interval in response to detecting the atrial systolic event.Type: ApplicationFiled: October 16, 2019Publication date: February 13, 2020Inventors: Vincent E. SPLETT, Todd J. SHELDON, Yong K. CHO, Wade M. DEMMER, Mark K. ERICKSON
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Publication number: 20200038665Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.Type: ApplicationFiled: October 14, 2019Publication date: February 6, 2020Inventors: Hyun J. YOON, Wade M. DEMMER, Matthew J. HOFFMAN, Robert A. BETZOLD, Jonathan D. EDMONSON, Michael L. ELLINGSON, Mark K. ERICKSON, Ben W. HERBERG, Juliana E. PRONOVICI, James D. REINKE, Todd J. SHELDON, Paul R. SOLHEIM
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Patent number: 10532212Abstract: An intracardiac ventricular pacemaker is configured to detect a ventricular diastolic event from a motion signal received by a pacemaker control circuit from a motion sensor. The control circuit starts an atrial refractory period having an expiration time set based on a time of the detection of the ventricular diastolic event. The control circuit detects an atrial systolic event from the motion signal after expiration of the atrial refractory period and controls a pulse generator of the pacemaker to deliver a pacing pulse to a ventricle of a patient's heart at a first atrioventricular pacing time interval after the atrial systolic event detection.Type: GrantFiled: September 29, 2016Date of Patent: January 14, 2020Assignee: Medtronic, Inc.Inventors: Vincent E Splett, Todd J Sheldon, Yong K Cho, Wade M Demmer, Mark K Erickson
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Patent number: 10449366Abstract: An intracardiac ventricular pacemaker having a motion sensor is configured to produce a motion signal including an atrial systolic event and a ventricular diastolic event indicating a passive ventricular filling phase, set a detection threshold to a first amplitude during an expected time interval of the ventricular diastolic event and to a second amplitude lower than the first amplitude after an expected time interval of the ventricular diastolic event. The pacemaker is configured to detect the atrial systolic event in response to the motion signal crossing the detection threshold and set an atrioventricular pacing interval in response to detecting the atrial systolic event.Type: GrantFiled: September 29, 2016Date of Patent: October 22, 2019Assignee: Medtronic, Inc.Inventors: Vincent E Splett, Todd J Sheldon, Yong K Cho, Wade M Demmer, Mark K Erickson
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Patent number: 10441798Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.Type: GrantFiled: April 14, 2017Date of Patent: October 15, 2019Assignee: Medtronic, Inc.Inventors: Hyun J. Yoon, Wade M. Demmer, Matthew J. Hoffman, Robert A. Betzold, Jonathan D. Edmonson, Michael L. Ellingson, Mark K. Erickson, Ben E. Herberg, Juliana E. Pronovici, James D. Reinke, Todd J. Sheldon, Paul R. Solheim
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Publication number: 20190308021Abstract: An intracardiac pacemaker system is configured to produce physiological atrial event signals by a sensing circuit of a ventricular intracardiac pacemaker and select a first atrial event input as the physiological atrial event signals. The ventricular intracardiac pacemaker detects atrial events from the selected first atrial event input, determines if input switching criteria are met, and switches from the first atrial event input to a second atrial event input in response to the input switching criteria being met. The second atrial event input includes broadcast atrial event signals produced by a second implantable medical device and received by the ventricular intracardiac pacemaker.Type: ApplicationFiled: June 24, 2019Publication date: October 10, 2019Inventors: Wade M. DEMMER, Yong K. CHO, Mark K. ERICKSON, Todd J. SHELDON