Patents by Inventor John M. Edgell
John M. Edgell 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: 8761896Abstract: In an example, an apparatus can include an implantable medical device comprising a housing, an implantable telemetry circuit carried within the housing, a dielectric compartment mechanically coupled to the housing, the dielectric compartment including first and second substantially parallel face portions and a third face portion extending between the first and second face portions, and an implantable telemetry antenna, located at least partially within the dielectric compartment. The implantable telemetry circuit can be electrically coupled to the implantable telemetry antenna and configured to wirelessly transfer information electromagnetically using the implantable telemetry antenna. In an example the implantable telemetry antenna comprises a spiral conductor portion extending along the first, second, and third face portions. In an example the spiral conductor includes a cross section having a lateral width that can be greater than a sidewall height of the cross section.Type: GrantFiled: November 22, 2011Date of Patent: June 24, 2014Assignee: Cardiac Pacemakers, Inc.Inventors: Sasidhar Vajha, Keith R. Maile, Dennis E. Larson, David A. Chizek, John M. Edgell
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Patent number: 8731671Abstract: An implantable medical device includes a housing, a header mounted to the housing, the header including a header body having a bore with an electrical contact located within the bore, wherein the electrical contact includes a plurality of contact points, wherein at least two of the contact points are longitudinally offset from each other along the bore.Type: GrantFiled: August 11, 2011Date of Patent: May 20, 2014Assignee: Cardiac Pacemakers, Inc.Inventors: Kevin P. Rodby, David A. Chizek, Lawrence D. Swanson, John M. Edgell
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Patent number: 8718774Abstract: Described herein is an implantable medical device and methods for making a device that includes a metal housing a molding process. In one embodiment, the housing includes a header attachment element extends from the housing. In another embodiment, the implantable medical device includes a header attachment surface comprising one or more header retaining features configured to secure a connector header to the header attachment surface. In another embodiment, the housing includes one or more structural elements extending from and integrally molded with the interior surface of the first or second portions of the housing. Also disclosed are methods of making the implantable medical device.Type: GrantFiled: February 18, 2010Date of Patent: May 6, 2014Assignee: Cardiac Pacemakers, Inc.Inventors: Michael A. Knipfer, John M. Edgell, Robbie L. Halvorson, Lawrence D. Swanson
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Publication number: 20140075752Abstract: The present subject matter provides feedthrough or interconnect systems for components of an implantable medical device and methods for their manufacture. A feedthrough system includes a wire or nailhead having a protruded tip. The wire or nailhead extends from an aperture in an encasement of a first component and is connected to a terminal conductor adapted to electrically connect to circuitry within the encasement. A ribbon wire has a distal end adapted to electrically connect to a second component and a proximal end having a pattern adapted to fit to the protruded tip of the wire or nailhead to provide for subsequent attachment of the ribbon wire to the nailhead.Type: ApplicationFiled: November 19, 2013Publication date: March 20, 2014Applicant: Cardiac Pacemakers, Inc.Inventors: Lawrence D. Swanson, John M. Edgell, John E. Hansen
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Patent number: 8612003Abstract: The present subject matter provides feedthrough or interconnect systems for components of an implantable medical device and methods for their manufacture. A feedthrough system includes a wire or nailhead having a protruded tip. The wire or nailhead extends from an aperture in an encasement of a first component and is connected to a terminal conductor adapted to electrically connect to circuitry within the encasement. A ribbon wire has a distal end adapted to electrically connect to a second component and a proximal end having a pattern adapted to fit to the protruded tip of the wire or nailhead to provide for subsequent attachment of the ribbon wire to the nailhead.Type: GrantFiled: February 16, 2011Date of Patent: December 17, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Lawrence D. Swanson, John M. Edgell, John E. Hansen
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Patent number: 8585445Abstract: An apparatus includes an implantable housing, a header including a cavity, a post extending from a surface of the housing into the cavity, the post including an expanded head portion, and a retaining member mounted within the header and engaged with the post with a bottom surface of the retaining member abutting an internal surface of the header.Type: GrantFiled: August 11, 2011Date of Patent: November 19, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: Mark G. Deehr, Michael J. Kloosterboer, Blair Erbstoeszer, David A. Chizek, Mee S. Burckhardt, Noel Doherty, John M. Edgell, Lawrence D. Swanson, John E. Hansen
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Patent number: 8430868Abstract: Embodiments of the invention are related to tools for coupling leads to header assemblies for implantable medical devices, amongst other things. A wrench is configured so that if an axial force exceeding a first threshold is applied to a handle housing, then the housing handle will rotate with respect to a shaft. Other embodiments are also included herein.Type: GrantFiled: February 17, 2010Date of Patent: April 30, 2013Assignee: Cardiac Pacemakers, Inc.Inventors: John M. Edgell, Lawrence D. Swanson, John E. Hanson, Abhi V. Chavan
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Publication number: 20120271387Abstract: Some examples of an electrical contact spring for an implantable medical device includes a housing, rigid and tubular in shape, defining a housing passage extending along a longitudinal axis, from a proximal portion including a proximal lip that defines a proximal opening, to a distal portion including a distal lip that defines a distal opening and a spring disposed in the housing, the spring tubular in shape and defining a spring passage concentric to the housing passage, the spring including: a distal ring portion disposed adjacent the distal portion of the housing and physically coupled to the housing, a plurality of spring elements coupled to and extending from the distal ring portion toward the proximal portion of the housing and a proximal ring portion disposed adjacent the proximal portion of the housing, cantilevered and suspended inside of and spaced apart from the housing by the plurality of spring elements.Type: ApplicationFiled: March 30, 2012Publication date: October 25, 2012Inventors: John M. Edgell, David M. Flynn, John E. Hansen, Michael J. Kloosterboer, Lawrence D. Swanson
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Publication number: 20120130206Abstract: Subject matter such as a method or apparatus can include an implantable antenna assembly, comprising a dielectric shell including first and second substantially parallel outer face portions, and a third outer face portion extending between the first and second portions, a spiral conductor extending along the first, second, and third portions on a surface of the dielectric shell. The dielectric shell and spiral conductor can be configured to be mechanically attached to a dielectric compartment, such as configured to be coupled to a housing of an implantable medical device. In an example, the implantable antenna assembly is configured to be electrically coupled to an implantable telemetry circuit configured to wirelessly transfer information electromagnetically using the implantable telemetry antenna, such as included as a portion of an implantable medical device.Type: ApplicationFiled: November 22, 2011Publication date: May 24, 2012Inventors: Sasidhar Vajha, Keith R. Maile, Dennis E. Larson, David A. Chizek, John M. Edgell
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Publication number: 20120130450Abstract: In an example, an apparatus can include an implantable medical device comprising a housing, an implantable telemetry circuit carried within the housing, a dielectric compartment mechanically coupled to the housing, the dielectric compartment including first and second substantially parallel face portions and a third face portion extending between the first and second face portions, and an implantable telemetry antenna, located at least partially within the dielectric compartment. The implantable telemetry circuit can be electrically coupled to the implantable telemetry antenna and configured to wirelessly transfer information electromagnetically using the implantable telemetry antenna. In an example the implantable telemetry antenna comprises a spiral conductor portion extending along the first, second, and third face portions.Type: ApplicationFiled: November 22, 2011Publication date: May 24, 2012Inventors: Sasidhar Vajha, Keith R. Maile, Dennis E. Larson, David A. Chizek, John M. Edgell
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Publication number: 20120130451Abstract: Subject matter such as a method or apparatus can include an implantable medical device comprising a housing, an implantable telemetry circuit carried within the housing, and a dielectric compartment, mechanically coupled to the housing an implantable telemetry antenna, such as located at least partially within the dielectric compartment. The implantable telemetry circuit can be electrically coupled to the implantable telemetry antenna and configured to wirelessly transfer information electromagnetically using the implantable telemetry antenna. The implantable telemetry antenna can include a spiral conductor portion extending along a face portion of the dielectric compartment, and a loading portion configured to adjust an input impedance of the implantable telemetry antenna, to provide a specified input impedance range within a specified range of operating frequencies to be used for wireless information transfer.Type: ApplicationFiled: November 22, 2011Publication date: May 24, 2012Inventors: Sasidhar Vajha, Keith R. Maile, Dennis E. Larson, David A. Chizek, John M. Edgell
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Publication number: 20120053663Abstract: An implantable medical device includes a housing, a header mounted to the housing, the header including a header body having a bore with an electrical contact located within the bore, wherein the electrical contact includes a plurality of contact points, wherein at least two of the contact points are longitudinally offset from each other along the bore.Type: ApplicationFiled: August 11, 2011Publication date: March 1, 2012Inventors: Kevin P. Rodby, David A. Chizek, Lawrence D. Swanson, John M. Edgell
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Publication number: 20120052710Abstract: An apparatus includes an implantable housing, a header including a cavity, a post extending from a surface of the housing into the cavity, the post including an expanded head portion, and a retaining member mounted within the header and engaged with the post with a bottom surface of the retaining member abutting an internal surface of the header.Type: ApplicationFiled: August 11, 2011Publication date: March 1, 2012Inventors: Mark G. Deehr, Michael J. Kloosterboer, Blair Erbstoeszer, David A. Chizek, Mee S. Burckhardt, Noel Doherty, John M. Edgell, Lawrence D. Swanson, John E. Hansen
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Publication number: 20110230923Abstract: The present subject matter provides feedthrough or interconnect systems for components of an implantable medical device and methods for their manufacture. A feedthrough system includes a wire or nailhead having a protruded tip. The wire or nailhead extends from an aperture in an encasement of a first component and is connected to a terminal conductor adapted to electrically connect to circuitry within the encasement. A ribbon wire has a distal end adapted to electrically connect to a second component and a proximal end having a pattern adapted to fit to the protruded tip of the wire or nailhead to provide for subsequent attachment of the ribbon wire to the nailhead.Type: ApplicationFiled: February 16, 2011Publication date: September 22, 2011Inventors: Lawrence D. Swanson, John M. Edgell, John E. Hansen
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Publication number: 20110098763Abstract: A vented set screw is used to secure a connection between an implantable medical device and an implantable lead. The vented set screw includes one or more venting channels that allow liquid and/or gas to flow out of the implantable medical device when the implantable lead is being inserted into the implantable medical device and secured during an implantation procedure. This prevents pressure from building up at the connection, thereby ensuring proper performance of sensing and/or therapy delivery functions of the implantable medical device.Type: ApplicationFiled: October 25, 2010Publication date: April 28, 2011Inventors: Lawrence D. Swanson, John M. Edgell, Nick A. Youker, Scott Dahl, Kevin P. Rodby
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Publication number: 20110082531Abstract: The present subject matter provides apparatus and methods for manufacturing an encasement for a component of an implantable medical device having a main circuit board. The method includes forming an encasement aperture on a lateral side of the encasement. The lateral side of the encasement is adapted to be placed substantially parallel to a surface of the main circuit board. A feedthrough assembly is connected through the encasement aperture. The feedthrough assembly includes at least one terminal conductor at least partially passing through the encasement aperture.Type: ApplicationFiled: September 9, 2010Publication date: April 7, 2011Inventors: Lawrence D. Swanson, John M. Edgell, Nick A. Youker, John E. Hansen, David A. Chizek
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Publication number: 20100318156Abstract: Embodiments of the invention are related to header assemblies for implantable medical devices, amongst other things. In an embodiment the invention includes a medical device including a header assembly housing. The header assembly housing can include a dielectric material, the header assembly housing can define a port aperture for receiving a connector pin of a stimulation lead. The port aperture can have a first end and a second end and a reflective insert disposed within the header assembly housing proximate to the second end. The reflective insert can be configured to enhance the view of the second end from outside of the header assembly housing. Other embodiments are also included herein.Type: ApplicationFiled: June 10, 2010Publication date: December 16, 2010Applicant: CARDIAC PACEMAKERS, INC.Inventors: John M. Edgell, Lawrence D. Swanson, Nick A. Youker
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Publication number: 20100274309Abstract: Described herein is an implantable medical device and methods for making a device that includes a metal housing a molding process. In one embodiment, the housing includes a header attachment element extends from the housing. In another embodiment, the implantable medical device includes a header attachment surface comprising one or more header retaining features configured to secure a connector header to the header attachment surface. In another embodiment, the housing includes one or more structural elements extending from and integrally molded with the interior surface of the first or second portions of the housing. Also disclosed are methods of making the implantable medical device.Type: ApplicationFiled: February 18, 2010Publication date: October 28, 2010Applicant: CARDIAC PACEMAKERS, INC.Inventors: Michael A. Knipfer, John M. Edgell, Robbie L. Halvorson, Lawrence D. Swanson
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Publication number: 20100274230Abstract: Embodiments of the invention are related to tools for coupling leads to header assemblies for implantable medical devices, amongst other things. A wrench is configured so that if an axial force exceeding a first threshold is applied to a handle housing, then the housing handle will rotate with respect to a shaft. Other embodiments are also included herein.Type: ApplicationFiled: February 17, 2010Publication date: October 28, 2010Applicant: CARDIAC PACEMAKERS, INC.Inventors: John M. Edgell, Lawrence D. Swanson, John E. Hansen, Abhi V. Chavan
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Publication number: 20090228074Abstract: A system and method wirelessly transfers information electromagnetically using a detachable helical antenna. In an example, the detachable helical antenna can include a first threaded portion. In an example, the detachable helical antenna can be configured to mechanically threadably engage an implantable medical device.Type: ApplicationFiled: March 3, 2009Publication date: September 10, 2009Applicant: Cardiac Pacemakers, Inc.Inventors: John M. Edgell, Lawrence D. Swanson, Timothy J. Christman