Patents by Inventor James K. Carney

James K. Carney 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: 20210069492
    Abstract: A method for implanting a medical lead. The method includes advancing a tunneling tool posteriorly proximate the caudal end of the sternum toward a first location. The tunneling tool is advanced superiorly underneath the sternum through the anterior mediastinum from the first location to a second location cranial to the first location. A guidewire is advanced from the first location to the second location. A medical lead is slid along at least a portion of the guidewire, the medical lead at least substantially spanning the distance between the first location and the second location.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 11, 2021
    Inventors: Amy T. Thompson-Nauman, James K. Carney, Melissa G.T. Christie, Kenneth C. Gardeski
  • Publication number: 20200398064
    Abstract: Systems, devices, and techniques for establishing communication between two medical devices are described. In one example, an implantable medical device comprises communication circuitry, therapy delivery circuitry, and processing circuitry configured to initiate a communication window during which the implantable second medical device is capable of receiving the information related to a cardiac event detected by a first medical device, the communication window being one of a plurality of communication windows defined by a communication schedule that corresponds to a transmission schedule in which the first medical device is configured to transmit the information, control the communication circuitry to receive, from the first medical device, the information related to the cardiac event that is indicative of a timing of the cardiac event with respect to a timing of the communication window, schedule and control delivery of a therapy according to the information related to the cardiac event.
    Type: Application
    Filed: September 4, 2020
    Publication date: December 24, 2020
    Inventors: James K. Carney, Saul E. Greenhut, Jonathan L. Kuhn, James D. Reinke, David J. Peichel, James W. Busacker
  • Publication number: 20200397962
    Abstract: The disclosure describes systems and techniques for detection of pump thrombosis in mechanical circulatory support (MCS) devices. An example pump thrombosis detection system includes a transducer and processing circuitry. The transducer may be configured to generate a signal representative of a mechanical wave from a mechanical circulatory support device. The processing circuitry is communicatively coupled to the transducer. The processing circuitry may be configured to determine an indication of pump thrombosis based on the signal and, based on the indication of pump thrombosis, control the pump thrombosis detection system to at least one of generate an alert or initiate an intervention.
    Type: Application
    Filed: August 31, 2020
    Publication date: December 24, 2020
    Inventors: Aleksandre T. Sambelashvili, David A. Anderson, James K. Carney, David M. Steinhaus, Narendra K. Simha
  • Patent number: 10852268
    Abstract: An electrochemical sensor may include a common reference electrode, at least one counter electrode, and a work electrode platform including a plurality of respective work electrodes. Each respective work electrode of the plurality of respective work electrodes may be electrically coupled to the common reference electrode and include a respective reagent substrate configured to react with a respective analyte to produce a signal indicative of a concentration of the respective analyte.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: December 1, 2020
    Assignee: Medtronic, Inc.
    Inventors: Daniel Hahn, Mohsen Askarinya, James K. Carney, Patrick W. Kinzie, Jennifer Lorenz Marckmann, Randal C. Schulhauser, Santhisagar Vaddiraju, Akhil Srinivasan, David Probst, Alejo Chavez Gaxiola
  • Patent number: 10842988
    Abstract: A method for implanting a medical lead. The method includes advancing a tunneling tool posteriorly proximate the caudal end of the sternum toward a first location. The tunneling tool is advanced superiorly underneath the sternum through the anterior mediastinum from the first location to a second location cranial to the first location. A guidewire is advanced from the first location to the second location. A medical lead is slid along at least a portion of the guidewire, the medical lead at least substantially spanning the distance between the first location and the second location.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: November 24, 2020
    Assignee: Medtronic, Inc.
    Inventors: Amy E. Thompson-Nauman, James K. Carney, Melissa G. T. Christie, Kenneth C. Gardeski
  • Patent number: 10828494
    Abstract: An implantable medical device comprising a signal generator configured to generate and deliver anti-tachyarrhythmia pacing (ATP) to a heart of a patient and processing circuitry. The processing circuitry is configured to detect an enable event, responsive to detecting the enable event, enable the delivery of ATP by the signal generator, detect a disable event indicating that another implantable medical device cannot be relied upon to deliver an anti-tachyarrhythmia shock, and responsive to detecting the disable event, disable delivery of ATP.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: November 10, 2020
    Assignee: Medtronic, Inc.
    Inventors: Scott A. Hareland, James K. Carney, James D. Reinke, Jon D. Schell, Barbara J. Schmid
  • Patent number: 10773088
    Abstract: Systems, devices, and techniques for establishing communication between two medical devices are described. In one example, an implantable medical device comprises communication circuitry, therapy delivery circuitry, and processing circuitry configured to initiate a communication window during which the implantable second medical device is capable of receiving the information related to a cardiac event detected by a first medical device, the communication window being one of a plurality of communication windows defined by a communication schedule that corresponds to a transmission schedule in which the first medical device is configured to transmit the information, control the communication circuitry to receive, from the first medical device, the information related to the cardiac event that is indicative of a timing of the cardiac event with respect to a timing of the communication window, schedule and control delivery of a therapy according to the information related to the cardiac event.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: September 15, 2020
    Assignee: Medtronic, Inc.
    Inventors: James K. Carney, Saul E. Greenhut, Jonathan L. Kuhn, James D. Reinke, David J. Peichel, James W. Busacker
  • Patent number: 10765790
    Abstract: An example pump thrombosis detection system includes a transducer and processing circuitry. The transducer may be configured to generate a signal representative of a mechanical wave from a mechanical circulatory support device. The processing circuitry is communicatively coupled to the transducer. The processing circuitry may be configured to determine an indication of pump thrombosis based on the signal and, based on the indication of pump thrombosis, control the pump thrombosis detection system to at least one of generate an alert or initiate an intervention.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: September 8, 2020
    Assignee: Medtronic, Inc.
    Inventors: Aleksandre T. Sambelashvili, David A. Anderson, James K. Carney, David M. Steinhaus, Narendra K. Simha
  • Patent number: 10610694
    Abstract: In some examples, the disclosure describes an implantable medical device comprising a plurality of electrodes, sensing circuitry configured to sense a physiological electrical signal via the plurality of electrodes, and communication circuitry configured to transmit and/or receive a transconductance communication signal via the plurality of electrodes, wherein at least one electrode of the plurality of electrodes comprises a lower-capacitance portion and a higher-capacitance portion.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: April 7, 2020
    Assignee: Medtronic, Inc.
    Inventors: James D. Reinke, James K. Carney, Can Cinbis, Richard J. O'Brien, Bushan Purushothaman
  • Publication number: 20200078585
    Abstract: A relatively compact implantable medical device includes a fixation member formed by a plurality of fingers mounted around a perimeter of a distal end of a housing of the device; each finger is elastically deformable from a relaxed condition to an extended condition, to accommodate delivery of the device to a target implant site, and from the relaxed condition to a compressed condition, to accommodate wedging of the fingers between opposing tissue surfaces at the target implant site, wherein the compressed fingers hold a cardiac pacing electrode of the device in intimate tissue contact for the delivery of pacing stimulation to the site. Each fixation finger is preferably configured to prevent penetration thereof within the tissue when the fingers are compressed and wedged between the opposing tissue surfaces. The pacing electrode may be mounted on a pacing extension, which extends distally from the distal end of the device housing.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 12, 2020
    Inventors: Michael D. Eggen, James K. Carney, Matthew D. Bonner, Vladimir Grubac, Douglas S. Hine, Thomas D. Brostrom, John L. Sommer
  • Publication number: 20200069226
    Abstract: A biocompatible medical device may include an electrochemical sensor including a common reference electrode; at least one counter electrode; and a work electrode platform comprising a plurality of respective work electrodes, each respective work electrode electrically coupled to the common reference electrode and comprising a respective reagent substrate configured to react with a respective analyte to produce a respective signal indicative of a concentration of the respective analyte; and processing circuitry operatively coupled to the electrochemical sensor, and configured to receive from the electrochemical sensor a plurality of signals from the plurality of respective work electrodes; identify the respective signal corresponding to a respective selected work electrode; and process the identified signal to determine the concentration of the respective analyte associated with the respective selected work electrode.
    Type: Application
    Filed: August 29, 2018
    Publication date: March 5, 2020
    Inventors: Daniel Hahn, Mohsen Askarinya, James K. Carney, Patrick W. Kinzie, Jennifer Lorenz Marckmann, Randal C. Schulhauser, Santhisagar Vaddiraju, Akhil Srinivasan, David Probst, Alejo Chavez Gaxiola
  • Publication number: 20200072782
    Abstract: An electrochemical sensor may include a common reference electrode, at least one counter electrode, and a work electrode platform including a plurality of respective work electrodes. Each respective work electrode of the plurality of respective work electrodes may be electrically coupled to the common reference electrode and include a respective reagent substrate configured to react with a respective analyte to produce a signal indicative of a concentration of the respective analyte.
    Type: Application
    Filed: August 29, 2018
    Publication date: March 5, 2020
    Inventors: Daniel Hahn, Mohsen Askarinya, James K. Carney, Patrick W. Kinzie, Jennifer Lorenz Marckmann, Randal C. Schulhauser, Santhisagar Vaddiraju, Akhil Srinivasan, David Probst, Alejo Chavez Gaxiola
  • Patent number: 10561850
    Abstract: An implantable medical device comprises a communication module that comprises at least one of a receiver module and a transmitter module. The receiver module is configured to both receive from an antenna and demodulate an RF telemetry signal, and receive from a plurality of electrodes and demodulate a tissue conduction communication (TCC) signal. The transmitter module is configured to modulate and transmit both an RF telemetry signal via the antenna and a TCC signal via the plurality of electrodes. The RF telemetry signal and the TCC signal are both within a predetermined band for RF telemetry communication. In some examples, the IMD comprises a switching module configured to selectively couple one of the plurality of electrodes and the antenna to the receiver module or transmitter module.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: February 18, 2020
    Assignee: Medtronic, Inc.
    Inventors: James D. Reinke, James K. Carney, Can Cinbis, David J. Peichel, Joseph Ballis
  • Patent number: 10478620
    Abstract: A relatively compact implantable medical device includes a fixation member formed by a plurality of fingers mounted around a perimeter of a distal end of a housing of the device; each finger is elastically deformable from a relaxed condition to an extended condition, to accommodate delivery of the device to a target implant site, and from the relaxed condition to a compressed condition, to accommodate wedging of the fingers between opposing tissue surfaces at the target implant site, wherein the compressed fingers hold a cardiac pacing electrode of the device in intimate tissue contact for the delivery of pacing stimulation to the site. Each fixation finger is preferably configured to prevent penetration thereof within the tissue when the fingers are compressed and wedged between the opposing tissue surfaces. The pacing electrode may be mounted on a pacing extension, which extends distally from the distal end of the device housing.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: November 19, 2019
    Assignee: Medtronic, Inc.
    Inventors: Michael D Eggen, James K Carney, Matthew D Bonner, Vladimir Grubac, Douglas S Hine, Thomas D Brostrom, John L Sommer
  • Publication number: 20190336077
    Abstract: In some examples, determining a health status includes using an implantable medical device configured for subcutaneous implantation and comprising at least one optical sensor. Processing circuitry of a system comprising the device may determine, for a patient, a current tissue oxygen saturation value based on a first signal received from the at least one optical sensor and a current pulsatile oxygen saturation value based on a second signal received from the at least one optical sensor. The processing circuitry may further compare the current tissue oxygen saturation and current pulsatile oxygen saturation values to corresponding baseline values, determine corresponding heart failure and pulmonary statuses of the patient based on the comparisons, and determine the health status of the patient based on the statuses.
    Type: Application
    Filed: May 2, 2018
    Publication date: November 7, 2019
    Inventors: Jonathan L. Kuhn, James K. Carney, Shantanu Sarkar
  • Publication number: 20190336076
    Abstract: In some examples, determining a heart failure status includes using an implantable medical device configured for subcutaneous implantation and comprising a plurality of electrodes and an optical sensor. Processing circuitry of a system comprising the device may determine, for a patient, a current tissue oxygen saturation value based on a signal received from the at least one optical sensor, a current tissue impedance value based on a subcutaneous tissue impedance signal received from the electrodes, and a current pulse transit time value based on a cardiac electrogram signal received from the electrodes and at least one of the signal received from the optical sensor and the subcutaneous tissue impedance signal. The processing circuitry may further compare the current tissue oxygen saturation value, current tissue impedance value, and current pulse transit time value to corresponding baseline values, and determine the heart failure status of the patient based on the comparison.
    Type: Application
    Filed: May 2, 2018
    Publication date: November 7, 2019
    Inventors: Jonathan L. Kuhn, James K. Carney, Vinod Sharma, Shantanu Sarkar, Todd M. Zielinski, Tommy D. Bennett
  • Publication number: 20190255235
    Abstract: The disclosure describes systems and techniques for detection of pump thrombosis in mechanical circulatory support (MCS) devices. An example pump thrombosis detection system includes a transducer and processing circuitry. The transducer may be configured to generate a signal representative of a mechanical wave from a mechanical circulatory support device. The processing circuitry is communicatively coupled to the transducer. The processing circuitry may be configured to determine an indication of pump thrombosis based on the signal and, based on the indication of pump thrombosis, control the pump thrombosis detection system to at least one of generate an alert or initiate an intervention.
    Type: Application
    Filed: May 2, 2018
    Publication date: August 22, 2019
    Inventors: Aleksandre T. Sambelashvili, David A. Anderson, James K. Carney, David M. Steinhaus, Narendra K. Simha
  • Patent number: 10357647
    Abstract: A method and device for implanting a medical lead. The device includes an elongate shaft defining a major longitudinal axis and including a proximal end and a distal end. A necked portion coupled to and extending from the distal end is included, the necked portion defines a first thickness and a substantially planar surface, the necked portion being at least resiliently movable in a direction normal to the major longitudinal axis. A tip disposed at the distal end of the necked portion is included, the tip defining a second thickness greater than the first thickness.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: July 23, 2019
    Assignee: Medtronic, Inc.
    Inventors: Kenneth C. Gardeski, James K. Carney, Melissa G. T. Christie, Michael R. Leners, Lonnie D. Ronning, Amy E. Thompson-Nauman
  • Publication number: 20190069815
    Abstract: In some examples, a medical system includes a medical device. The medical device may include a housing configured to be implanted in a target site of a patient, a light emitter configured to emit a signal configured to cause a fluorescent marker to emit a fluoresced signal into the target site, and a light detector that may be configured to detect the fluoresced signal. The medical system may include processing circuitry configured to determine a characteristic of the fluorescent marker based on the emitted signal and the fluoresced signal. The characteristic of the fluorescent marker may be indicative of a presence of a compound in the patient, and the processing circuitry may be configured to track the presence of the compound of the patient based on the characteristic of the fluorescent marker.
    Type: Application
    Filed: September 5, 2018
    Publication date: March 7, 2019
    Inventors: John E. Burnes, James K. Carney, Jonathan L. Kuhn, Mark J. Phelps, Jesper Svenning Kristensen, Rodolphe Katra
  • Patent number: 10213115
    Abstract: The present disclosure provides an apparatus and method of detecting ischemia with a pressure sensor. The method can include obtaining a pressure signal and determining a pressure rate of change. The method can also include identifying at least one of impaired relaxation and impaired contractility in order to detect ischemia.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: February 26, 2019
    Assignee: Medtronic, Inc.
    Inventors: Sarah A Audet, James K Carney, William J Combs, Tommy D Bennett, Barbro M. L. Kjellstrom