Patents by Inventor Julia Moffitt
Julia Moffitt 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: 10029099Abstract: Various aspects of the present subject matter provide a device. In various embodiments, the device comprises a port adapted to connect a lead, a pulse generator connected to the port and adapted to provide a neural stimulation signal to the lead, and a signal processing module connected to the port and adapted to receive and process a nerve traffic signal from the lead into a signal indicative of the nerve traffic. The device includes a controller connected to the pulse generator and the signal processing module. The controller is adapted to implement a stimulation protocol to provide the neural stimulation signal with desired neural stimulation parameters based on the signal indicative of the nerve traffic. Other aspects are provided herein.Type: GrantFiled: March 11, 2013Date of Patent: July 24, 2018Assignee: Cardiac Pacemakers, Inc.Inventors: Imad Libbus, Andrew P. Kramer, Julia Moffitt
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Patent number: 9409025Abstract: Various aspects of the present subject matter relate to a device. In various embodiments, the device comprises at least one port adapted to connect at least one lead, a CRM functions module connected to the port and adapted to provide at least one CRM function using the lead, a neural function module, and a controller connected to the CRM functions module and the neural function module. The at least one CRM function includes a function to provide an electrical signal to the lead to capture cardiac tissue. The neural function module includes a signal processing module connected to the port and adapted to receive and process a nerve traffic signal from the lead into a signal indicative of the nerve traffic. The controller is adapted to implement a CRM therapy based on the signal indicative of the nerve traffic. Other aspects are provided herein.Type: GrantFiled: July 21, 2010Date of Patent: August 9, 2016Assignee: Cardiac Pacemakers, Inc.Inventors: Imad Libbus, Andrew P. Kramer, Julia Moffitt
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Patent number: 9339652Abstract: Various aspects relate to a device which, in various embodiments, comprises a header, a neural stimulator, a detector and a controller. The header includes at least one port to connect to at least one lead, and includes first and second channels for use to provide neural stimulation to first and second neural stimulation sites for a heart. The controller is connected to the detector and the neural stimulator to selectively deliver a therapy based on the feedback signal. A first therapy signal is delivered to the first neural stimulation site to selectively control contractility and a second therapy signal is delivered to the second neural stimulation site to selectively control one of a sinus rate and an AV conduction. Other aspects and embodiments are provided herein.Type: GrantFiled: December 16, 2014Date of Patent: May 17, 2016Assignee: Cardiac Pacemakers, Inc.Inventors: Julia Moffitt, Imad Libbus
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Patent number: 9089691Abstract: Devices and methods to stimulate the auricular branch of the vagus nerve are provided. Various device embodiments comprise a lead, a neural stimulation circuit, and a controller. The lead has a neural stimulation electrode. The neural stimulation circuit is connected to the lead to deliver a neural stimulation signal adapted to stimulate the auricular nerve branch using the neural stimulation electrode. The controller is connected to the neural stimulation circuit and is adapted to control delivery of the neural stimulation signal from the neural stimulation circuit to provide a vagal stimulation therapy. In various embodiments, the electrode is adapted to be placed in an external auditory canal. In various embodiments, the electrode includes a transcutaneous neural stimulation electrode adapted to be placed behind an ear.Type: GrantFiled: December 7, 2004Date of Patent: July 28, 2015Assignee: Cardiac Pacemakers, Inc.Inventors: Imad Libbus, Julia Moffitt
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Publication number: 20150134019Abstract: Various aspects relate to a device which, in various embodiments, comprises a header, a neural stimulator, a detector and a controller. The header includes at least one port to connect to at least one lead, and includes first and second channels for use to provide neural stimulation to first and second neural stimulation sites for a heart. The controller is connected to the detector and the neural stimulator to selectively deliver a therapy based on the feedback signal. A first therapy signal is delivered to the first neural stimulation site to selectively control contractility and a second therapy signal is delivered to the second neural stimulation site to selectively control one of a sinus rate and an AV conduction. Other aspects and embodiments are provided herein.Type: ApplicationFiled: December 16, 2014Publication date: May 14, 2015Inventors: Julia Moffitt, Imad Libbus
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Publication number: 20150119790Abstract: This document discusses, among other things, apparatus, systems, and methods for transvascularly stimulation of a nerve or nerve trunk. In an example, an apparatus is configured to transvascularly stimulate a nerve trunk through a blood vessel. The apparatus includes an expandable electrode that is chronically implantable in a blood vessel proximate a nerve trunk. The expandable electrode is configured to abut a predetermined surface area of the vessel wall along a predetermined length of the vessel. An electrical lead is coupled to the expandable electrode. An implantable pulse generator is coupled to the lead and configured to deliver an electrical stimulation signal to the electrode through the lead. in an example method, an electrical signal is delivered from an implanted medical device to an electrode chronically implanted in a blood vessel proximate a nerve trunk to transvascularly deliver neural stimulation from the electrode to the nerve trunk.Type: ApplicationFiled: January 5, 2015Publication date: April 30, 2015Inventors: Julia Moffitt, Imad Libbus
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Patent number: 8929990Abstract: This document discusses, among other things, apparatus, systems, and methods for transvascularly stimulation of a nerve or nerve trunk. In an example, an apparatus is configured to transvascularly stimulate a nerve trunk through a blood vessel. The apparatus includes an expandable electrode that is chronically implantable in a blood vessel proximate a nerve trunk. The expandable electrode is configured to abut a predetermined surface area of the vessel wall along a predetermined length of the vessel. An electrical lead is coupled to the expandable electrode. An implantable pulse generator is coupled to the lead and configured to deliver an electrical stimulation signal to the electrode through the lead. In an example method, an electrical signal is delivered from an implanted medical device to an electrode chronically implanted in a blood vessel proximate a nerve trunk to transvascularly deliver neural stimulation from the electrode to the nerve trunk.Type: GrantFiled: December 15, 2010Date of Patent: January 6, 2015Assignee: Cardiac Pacemakers, Inc.Inventors: Julia Moffitt, Imad Libbus
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Patent number: 8918172Abstract: Various aspects relate to a device which, in various embodiments, comprises a header, a neural stimulator, a detector and a controller. The header includes at least one port to connect to at least one lead, and includes first and second channels for use to provide neural stimulation to first and second neural stimulation sites for a heart. The controller is connected to the detector and the neural stimulator to selectively deliver a therapy based on the feedback signal. A first therapy signal is delivered to the first neural stimulation site to selectively control contractility and a second therapy signal is delivered to the second neural stimulation site to selectively control one of a sinus rate and an AV conduction. Other aspects and embodiments are provided herein.Type: GrantFiled: December 4, 2013Date of Patent: December 23, 2014Assignee: Cardiac Pacemakers, Inc.Inventors: Julia Moffitt, Imad Libbus
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Patent number: 8909337Abstract: Various aspects of the present subject matter provide devices and methods to treat AV-conducted ventricular tachyarrhythmia (AVCVT). According to various embodiments of the method, an AVCVT is sensed, an IVC-LA fat pad is stimulated when the AVCVT is sensed to block AV conduction, and bradycardia support pacing is provided while the IVC-LA fat pad is stimulated. Other aspects and embodiments are provided herein.Type: GrantFiled: May 17, 2012Date of Patent: December 9, 2014Assignee: Cardiac Pacemakers, Inc.Inventors: Julia Moffitt, Andrew P. Kramer, Imad Libbus
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Patent number: 8838239Abstract: A method and device for delivering ventricular resynchronization pacing therapy in conjunction with electrical stimulation of nerves which alter the activity of the autonomic nervous system is disclosed. Such therapies may be delivered by an implantable device and are useful in preventing the deleterious ventricular remodeling which occurs as a result of a heart attack or heart failure. The device may perform an assessment of cardiac function in order to individually modulate the delivery of the two types of therapy.Type: GrantFiled: July 8, 2013Date of Patent: September 16, 2014Assignee: Cardiac Pacemakers, Inc.Inventors: Imad Libbus, Bruce H. KenKnight, Julia Moffitt, Yatheendhar D. Manicka
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Publication number: 20140088676Abstract: Various aspects relate to a device which, in various embodiments, comprises a header, a neural stimulator, a detector and a controller. The header includes at least one port to connect to at least one lead, and includes first and second channels for use to provide neural stimulation to first and second neural stimulation sites for a heart. The controller is connected to the detector and the neural stimulator to selectively deliver a therapy based on the feedback signal. A first therapy signal is delivered to the first neural stimulation site to selectively control contractility and a second therapy signal is delivered to the second neural stimulation site to selectively control one of a sinus rate and an AV conduction. Other aspects and embodiments are provided herein.Type: ApplicationFiled: December 4, 2013Publication date: March 27, 2014Applicant: Cardiac Pacemaker, Inc.Inventors: Julia Moffitt, Imad Libbus
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Patent number: 8620426Abstract: Various aspects relate to a device which, in various embodiments, comprises a header, a neural stimulator, a detector and a controller. The header includes at least one port to connect to at least one lead, and includes first and second channels for use to provide neural stimulation to first and second neural stimulation sites for a heart. The controller is connected to the detector and the neural stimulator to selectively deliver a therapy based on the feedback signal. A first therapy signal is delivered to the first neural stimulation site to selectively control contractility and a second therapy signal is delivered to the second neural stimulation site to selectively control one of a sinus rate and an AV conduction. Other aspects and embodiments are provided herein.Type: GrantFiled: March 22, 2012Date of Patent: December 31, 2013Assignee: Cardiac Pacemaker, Inc.Inventors: Julia Moffitt, Imad Libbus
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Publication number: 20130296958Abstract: A method and device for delivering ventricular resynchronization pacing therapy in conjunction with electrical stimulation of nerves which alter the activity of the autonomic nervous system is disclosed. Such therapies may be delivered by an implantable device and are useful in preventing the deleterious ventricular remodeling which occurs as a result of a heart attack or heart failure. The device may perform an assessment of cardiac function in order to individually modulate the delivery of the two types of therapy.Type: ApplicationFiled: July 8, 2013Publication date: November 7, 2013Inventors: Imad Libbus, Bruce H. Kenknight, Julia Moffitt, Yatheendhar D. Manicka
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Publication number: 20130190837Abstract: Various aspects of the present subject matter provide a device. In various embodiments, the device comprises a port adapted to connect a lead, a pulse generator connected to the port and adapted to provide a neural stimulation signal to the lead, and a signal processing module connected to the port and adapted to receive and process a nerve traffic signal from the lead into a signal indicative of the nerve traffic. The device includes a controller connected to the pulse generator and the signal processing module. The controller is adapted to implement a stimulation protocol to provide the neural stimulation signal with desired neural stimulation parameters based on the signal indicative of the nerve traffic. Other aspects are provided herein.Type: ApplicationFiled: March 11, 2013Publication date: July 25, 2013Applicant: Cardiac Pacemakers, Inc.Inventors: Imad Libbus, Andrew P. Kramer, Julia Moffitt
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Patent number: 8483823Abstract: An embodiment includes a main lead assembly having a proximal portion adapted for connection to a device and a distal portion adapted for placement in a coronary sinus, the distal portion terminating in a distal end for placement proximal a left ventricle. Additionally, the main lead assembly includes a left ventricular electrode located at its distal end which is adapted to deliver cardiac resynchronization therapy to reduce ventricular wall stress. The main lead assembly also includes a fat pad electrode disposed along the main lead assembly a distance from the distal end to position the fat pad electrode proximal to at least one parasympathetic ganglia located in a fat pad bounded by an inferior vena cava and a left atrium. The fat pad electrode is adapted to stimulate the parasympathetic ganglia to reduce ventricular wall stress.Type: GrantFiled: October 12, 2010Date of Patent: July 9, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Imad Libbus, Julio C. Spinelli, Randy Westlund, Julia Moffitt, Sophia H. Wang
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Patent number: 8483828Abstract: A method and device for delivering ventricular resynchronization pacing therapy in conjunction with electrical stimulation of nerves which alter the activity of the autonomic nervous system is disclosed. Such therapies may be delivered by an implantable device and are useful in preventing the deleterious ventricular remodeling which occurs as a result of a heart attack or heart failure. The device may perform an assessment of cardiac function in order to individually modulate the delivery of the two types of therapy.Type: GrantFiled: September 27, 2010Date of Patent: July 9, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Imad Libbus, Bruce H. KenKnight, Julia Moffitt, Yatheendhar D. Manicka
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Publication number: 20130165998Abstract: Various device embodiments comprise a pulse generator, a signal processing module and a controller. The pulse generator is adapted to provide a neural stimulation signal to be applied at a neural simulation site within an autonomic nervous system (ANS). The signal processing module is adapted to receive and process sensed neural traffic at a neural sensing site within the ANS. The controller is connected to the pulse generator and adapted to provide a neural stimulation control signal to the pulse generator to generate the neural stimulation signal, and to the signal processing module to receive a feedback control signal indicative of the sensed neural traffic. The controller is adapted to adjust the neural stimulation control signal to adjust at least one parameter of the neural stimulation signal to converge on desired sensed neural traffic at the neural sensing site. Other aspects and embodiments are provided herein.Type: ApplicationFiled: December 10, 2012Publication date: June 27, 2013Inventors: Imad Libbus, Andrew P. Kramer, Julia Moffitt
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Patent number: 8396560Abstract: Various aspects of the present subject matter provide a device. In various embodiments, the device comprises a port adapted to connect a lead, a pulse generator connected to the port and adapted to provide a neural stimulation signal to the lead, and a signal processing module connected to the port and adapted to receive and process a nerve traffic signal from the lead into a signal indicative of the nerve traffic. The device includes a controller connected to the pulse generator and the signal processing module. The controller is adapted to implement a stimulation protocol to provide the neural stimulation signal with desired neural stimulation parameters based on the signal indicative of the nerve traffic. Other aspects are provided herein.Type: GrantFiled: November 18, 2004Date of Patent: March 12, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Imad Libbus, Andrew P. Kramer, Julia Moffitt
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Patent number: 8332047Abstract: Various device embodiments comprise a pulse generator, a signal processing module and a controller. The pulse generator is adapted to provide a neural stimulation signal to be applied at a neural simulation site within an autonomic nervous system (ANS). The signal processing module is adapted to receive and process sensed neural traffic at a neural sensing site within the ANS. The controller is connected to the pulse generator and adapted to provide a neural stimulation control signal to the pulse generator to generate the neural stimulation signal, and to the signal processing module to receive a feedback control signal indicative of the sensed neural traffic. The controller is adapted to adjust the neural stimulation control signal to adjust at least one parameter of the neural stimulation signal to converge on desired sensed neural traffic at the neural sensing site. Other aspects and embodiments are provided herein.Type: GrantFiled: November 16, 2005Date of Patent: December 11, 2012Assignee: Cardiac Pacemakers, Inc.Inventors: Imad Libbus, Andrew P. Kramer, Julia Moffitt
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Publication number: 20120232604Abstract: Various aspects of the present subject matter provide devices and methods to treat AV-conducted ventricular tachyarrhythmia (AVCVT). According to various embodiments of the method, an AVCVT is sensed, an IVC-LA fat pad is stimulated when the AVCVT is sensed to block AV conduction, and bradycardia support pacing is provided while the IVC-LA fat pad is stimulated. Other aspects and embodiments are provided herein.Type: ApplicationFiled: May 17, 2012Publication date: September 13, 2012Inventors: Julia Moffitt, Andrew P. Kramer, Imad Libbus