Patents by Inventor David L. McGee

David L. McGee 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).

  • Publication number: 20190296360
    Abstract: An electrode material useful as a dry in place deposit comprising at least one metal chelating polymer; an active material capable of reversibly intercalating lithium ions; a plurality of electrical conductor particles; a binder polymer. The electrode material is formed into a slurry using a non-aqueous solvent. The metal chelating polymer may be a reaction product of a polyphenolic polymer; an aldehyde, a ketone, or mixtures thereof; and an amine. The electrode material slurry is deposited on a current collector and dried to form a positive electrode in a secondary lithium ion battery. The deposited electrode material has high flexibility, adhesion to the current collector, resistance to electrolyte damage, and low electrical resistance. The electrode material forms a superior positive electrode at a relatively low additional cost and with no increase in process complexity.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 26, 2019
    Inventors: John L. Zimmerman, John D. McGee, Andrew M. Dahl, John J. Comoford, David R. McCormick, Gregory T. Donaldson
  • Patent number: 10251625
    Abstract: To sum up, the present invention relates to an examination system 1301 for examining an associated tissue sample 1302, where the examination system comprises an interventional device 1320 which comprises a plurality of ultrasound transducers 306a-c and wherein the different ultrasound transducers are arranged to obtain images of different regions of an associated tissue sample, and wherein the examination system furthermore comprises a display device 1351 arranged for showing the images so that each of their positions corresponds to the corresponding positions of the different adjacent tissue sample regions in the adjacent associated tissue sample. A possible advantage of the system may be that relevant information regarding the associated tissue sample is conveyed to an observer in a fast an intuitive manner.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: April 9, 2019
    Assignees: Koninklijke Philips N.V., Boston Scientific Scimed, Inc.
    Inventors: Alexander Franciscus Kolen, Godefridus Antonius Harks, Steven Antonie Willem Fokkenrood, Szabolcs Deladi, Darrell L. Rankin, David L. McGee
  • Publication number: 20170311922
    Abstract: The present invention relates to a visualization apparatus (1) comprising a signal processor (2) for processing measurement signals from an ultrasound measurement (3) and a rendering device (4) coupled to a processor for rendering a representation for discerning a region of tissue with changed property (42) upon energy application to the tissue from a region with unchanged property (41) within two extremities (44,47) of the representation indicative of two boundaries defining the tissue thickness. The rendering of the tissue with changed property (42) and the tissue with unchanged property (41) with different visual aspects is readily absorbable by a person who applies energy to the tissue.
    Type: Application
    Filed: November 17, 2015
    Publication date: November 2, 2017
    Inventors: CAIFENG SHAN, GODEFRIDUS ANTONIUS HARKS, HARM JAN WILLEM BELT, SZABOLCS DELADI, DAVID L. MCGEE, DARRELL L. RANKIN
  • Publication number: 20170042601
    Abstract: A mapping catheter includes an elongated body for inserting into patient vasculature. A distal end of the elongated body includes a distal portion that includes a plurality of electrodes, a proximal portion disposed proximal to the distal portion, and a reduced-dimension portion disposed between the proximal and distal portions. The distal end is formed, at least in part, from a memory shape material that bends into a preformed shape upon release from a confined space. The preformed shape includes a first loop formed, at least in part, by the distal portion. The first loop is transverse to a longitudinal axis of the proximal portion. The reduced-dimension portion is configured and arranged to bend such that the reduced-dimension section advances distally through the first loop when the first loop is held in a fixed position and a force is applied distally along the longitudinal axis of the proximal portion.
    Type: Application
    Filed: October 31, 2016
    Publication date: February 16, 2017
    Inventors: Isaac J. Kim, Josef V. Koblish, David L. McGee
  • Patent number: 9241687
    Abstract: Devices and systems for ultrasonically imaging anatomical structures and performing ablation therapy within the body are disclosed. A combined ablation and ultrasound imaging probe includes a housing, an ablation electrode located on a distal tip section of the housing, and a number of ultrasonic imaging sensors configured for visualizing anatomical structures within the body. During an ablation procedure, the ultrasonic imaging sensors can be tasked to generate a number of ultrasonic images that can be displayed as a composite image on a display screen of a user interface.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: January 26, 2016
    Assignee: Boston Scientific Scimed Inc.
    Inventor: David L. McGee
  • Publication number: 20140336477
    Abstract: Devices, systems, and methods for ultrasonically acquiring far-field and near-field images within a body are disclosed. An ultrasound imaging device adapted for insertion within a body includes a first ultrasonic sensor configured to transmit ultrasonic waves at a first frequency for acquiring far-field images within the body, and a second ultrasonic sensor configured to transmit ultrasonic waves at a higher frequency than the first frequency for acquiring near-field images within the body. The ultrasound imaging device can be connected to a control device and user interface for visualizing far-field and near-field images acquired by the ultrasonic sensors.
    Type: Application
    Filed: July 28, 2014
    Publication date: November 13, 2014
    Inventor: David L. McGee
  • Publication number: 20140081262
    Abstract: Various embodiments concern delivering an ablation therapy to different areas of the cardiac tissue and, for each of the areas, sensing an ultrasound signal with at least one ultrasound sensor, the ultrasound signal responsive to the ultrasound energy reflected from the area of cardiac tissue. Such embodiments can further include for each of the plurality of different areas of the cardiac tissue, associating with each area an indication of the degree to which the area of cardiac tissue was lesioned by the delivery of the ablation therapy based on the ultrasound signal and representing a map of the different areas on a display. A user input can select one of the different areas and the indication associated with the selected one area can be represented on the map.
    Type: Application
    Filed: September 19, 2013
    Publication date: March 20, 2014
    Applicant: Boston Scientific Scimed Inc.
    Inventors: Josef V. Koblish, David L. McGee
  • Publication number: 20140051993
    Abstract: Methods and systems for controlling an imaging procedure are provided. A medical device is introduced within a patient, and a position (e.g., location and/or orientation) of the medical device is detected within the patient relative to a reference position (e.g., a previously detected position of the medical device or a position within a desired path). Imaging of the patient is automatically activated based on the detected relative position, such that the patient is imaged only during relevant times. In one method, instability/stability of the medical device is detected, in which case, the imaging is automatically activated when the medical device is unstable, and deactivated when the medical device is stable. For example, if tissue is to be ablated with the medical device, medical personnel can be made aware of inadvertent movement of the medical device via the image, and can correct any displacement of the medical device from the ablation site.
    Type: Application
    Filed: October 29, 2013
    Publication date: February 20, 2014
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventor: DAVID L. MCGEE
  • Patent number: 8571635
    Abstract: Methods and systems for controlling an imaging procedure are provided. A medical device is introduced within a patient, and a position (e.g., location and/or orientation) of the medical device is detected within the patient relative to a reference position (e.g., a previously detected position of the medical device or a position within a desired path). Imaging of the patient is automatically activated based on the detected relative position, such that the patient is imaged only during relevant times. In one method, instability/stability of the medical device is detected, in which case, the imaging is automatically activated when the medical device is unstable, and deactivated when the medical device is stable. For example, if tissue is to be ablated with the medical device, medical personnel can be made aware of inadvertent movement of the medical device via the image, and can correct any displacement of the medical device from the ablation site.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: October 29, 2013
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: David L. McGee
  • Publication number: 20120310064
    Abstract: Devices and systems for ultrasonically imaging anatomical structures and performing ablation therapy within the body are disclosed. A combined ablation and ultrasound imaging probe includes a housing, an ablation electrode located on a distal tip section of the housing, and a number of ultrasonic imaging sensors configured for visualizing anatomical structures within the body. During an ablation procedure, the ultrasonic imaging sensors can be tasked to generate a number of ultrasonic images that can be displayed as a composite image on a display screen of a user interface.
    Type: Application
    Filed: April 2, 2012
    Publication date: December 6, 2012
    Inventor: David L. McGee
  • Patent number: 7837684
    Abstract: A method of ablating tissue in the heart to treat atrial fibrillation introduces into a selected atrium an energy emitting element. The method exposes the element to a region of the atrial wall and applies ablating energy to the element to thermally destroy tissue. The method forms a convoluted lesion pattern comprising elongated straight lesions and elongated curvilinear lesions. The lesion pattern directs electrical impulses within the atrial myocardium along a path that activates the atrial myocardium while interrupting reentry circuits that, if not interrupted, would cause fibrillation. The method emulates the surgical maze procedure, but lends itself to catheter-based procedures that do not require open heart surgical techniques. A composite structure for performing the method is formed using a template that displays in planar view a desired lesion pattern for the tissue. An array of spaced apart element is laid on the template.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: November 23, 2010
    Assignee: EP Technologies, Inc.
    Inventors: David K. Swanson, Sidney D. Fleischman, Thomas F. Kordis, David L. McGee
  • Patent number: 7766906
    Abstract: Methods, apparatus, and systems for occluding a tissue opening are provided. One embodiment includes a catheter having an elongate body and a first lumen to direct hypertonic saline through an opening in the lumen to tissue of a fossa ovalis. The embodiment includes a radiofrequency (RF) electrode coupled to the elongate body proximal a distal end of the elongate body. The RF electrode can emit RF energy to the tissues of the passage and the hypertonic saline can facilitate a distribution of the RF energy along the tissue to fuse the tissue of the passage.
    Type: Grant
    Filed: August 19, 2005
    Date of Patent: August 3, 2010
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: David K. Swanson, David L. McGee
  • Patent number: 7706860
    Abstract: Methods and systems for navigating medical devices are provided. A patient is imaged while a medical device is moved within the patient. A position (e.g., a location and/or orientation) of the moving medical device is detected within a coordinate system (e.g., a three-dimensional coordinate system), a position of the imaging field of view relative to the patient is adjusted based on the detected medical device position, such that the relevant tissue region of the patient is within the field of view. For example, the field of view can be centered over the medical device or centered just distal to the medical device portion. The direction of view may be oriented at an angle perpendicular to the axis of the medical device, e.g., for more accurately measuring the length of objects within the field of view, or oriented at an angle parallel to the axis of the medical device portion, e.g., for more accurately measuring the diameter of the channel (e.g., blood vessel) in which the medical device is disposed.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: April 27, 2010
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: David L. McGee
  • Patent number: 7477763
    Abstract: The present invention provides systems and methods for locating an imaging device within or outside of the body and for displaying a graphical representation of the imaging pattern associated with the imaging device within a global representation of the body. The imaging pattern characterizes the “field of vision” of the imaging device, and the graphical imaging pattern within the global representation of the body visually indicates the portion of the body that is being imaged by the imaging device in relation to the global representation of the body.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: January 13, 2009
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: N. Parker Willis, David L. McGee
  • Patent number: 7413568
    Abstract: A method of ablating tissue in the heart to treat atrial fibrillation introduces into a selected atrium an energy emitting element. The method exposes the element to a region of the atrial wall and applies ablating energy to the element to thermally destroy tissue. The method forms a convoluted lesion pattern comprising elongated straight lesions and elongated curvilinear lesions. The lesion pattern directs electrical impulses within the atrial myocardium along a path that activates the atrial myocardium while interrupting reentry circuits that, if not interrupted, would cause fibrillation. The method emulates the surgical maze procedure, but lends itself to catheter-based procedures that do not require open heart surgical techniques. A composite structure for performing the method is formed using a template that displays in planar view a desired lesion pattern for the tissue. An array of spaced apart element is laid on the template.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: August 19, 2008
    Assignee: EP Technologies, Inc.
    Inventors: David K. Swanson, Sidney D. Fleischman, Thomas F. Kordis, David L. McGee
  • Publication number: 20080161802
    Abstract: A method of ablating tissue in the heart to treat atrial fibrillation introduces into a selected atrium an energy emitting element. The method exposes the element to a region of the atrial wall and applies ablating energy to the element to thermally destroy tissue. The method forms a convoluted lesion pattern comprising elongated straight lesions and elongated curvilinear lesions. The lesion pattern directs electrical impulses within the atrial myocardium along a path that activates the atrial myocardium while interrupting reentry circuits that, if not interrupted, would cause fibrillation. The method emulates the surgical maze procedure, but lends itself to catheter-based procedures that do not require open heart surgical techniques. A composite structure for performing the method is formed using a template that displays in planar view a desired lesion pattern for the tissue. An array of spaced apart element is laid on the template.
    Type: Application
    Filed: October 24, 2007
    Publication date: July 3, 2008
    Inventors: David K. Swanson, Sidney D. Fleischman, Thomas F. Kordis, David L. McGee
  • Patent number: 7115122
    Abstract: A method of ablating tissue in the heart to treat atrial fibrillation introduces into a selected atrium an energy emitting element. The method exposes the element to a region of the atrial wall and applies ablating energy to the element to thermally destroy tissue. The method forms a convoluted lesion pattern comprising elongated straight lesions and elongated curvilinear lesions. The lesion pattern directs electrical impulses within the atrial myocardium along a path that activates the atrial myocardium while interrupting reentry circuits that, if not interrupted, would cause fibrillation. The method emulates the surgical maze procedure, but lends itself to catheter-based procedures that do not require open heart surgical techniques. A composite structure for performing the method is formed using a template that displays in planar view a desired lesion pattern for the tissue. An array of spaced apart element is laid on the template.
    Type: Grant
    Filed: February 16, 2000
    Date of Patent: October 3, 2006
    Assignee: EP Technologies, Inc.
    Inventors: David K. Swanson, Sidney D. Fleischman, Thomas F. Kordis, David L. McGee
  • Patent number: 7048734
    Abstract: Systems and methods employ a guide element that carries a region of energy emitting material. The systems and methods electronically couple the region to a source of energy that, when emitted by the region, ablates tissue. The systems and methods are responsive to user commands for changing the physical characteristics of the lesions being created by electronically altering the energy emitting characteristics of the region itself.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: May 23, 2006
    Assignee: EP Technologies, Inc.
    Inventors: Sidney D. Fleischman, David L. McGee, David K. Swanson
  • Patent number: 7029471
    Abstract: A catheter assembly comprises a sheath, which includes a side wall enclosing an interior bore, a distal region, and an opening in the sidewall. The assembly also comprises a bendable catheter tube, which is carried for sliding movement in the interior bore. The catheter tube has a distal portion. The assembly further comprises a coupling, which joins the distal region of the sheath and the distal portion of the catheter tube. The coupling causes bending of the catheter tube outwardly through the opening, in response to sliding movement of the catheter tube within the interior bore toward the distal region of the sheath.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: April 18, 2006
    Assignee: EP Technologies, Inc.
    Inventors: Russell B. Thompson, David L. McGee, James G. Whayne, Yi Yang, Sidney D. Fleischman
  • Publication number: 20030231789
    Abstract: The present invention provides systems and methods for locating an imaging device within or outside of the body and for displaying a graphical representation of the imaging pattern associated with the imaging device within a global representation of the body. The imaging pattern characterizes the “field of vision” of the imaging device, and the graphical imaging pattern within the global representation of the body visually indicates the portion of the body that is being imaged by the imaging device in relation to the global representation of the body.
    Type: Application
    Filed: December 13, 2002
    Publication date: December 18, 2003
    Applicant: SCIMED Life Systems, Inc.
    Inventors: N. Parker Willis, David L. McGee