Patents Assigned to Medtronics, Inc.
  • CAPTURE DEVICES FOR CONTROLLED RELEASE OF PROSTHETIC VALVE DEVICES
    Publication number: 20240423794
    Abstract: A delivery system includes an outer shaft including a capsule at a distal portion thereof configured to restrain a prosthetic device, an inner shaft disposed within the outer shaft, and a capture device disposed between the outer shaft and the inner shaft. The capture device is configured to retain a portion of the prosthetic device. The capture device includes: a body including a central passage, a plurality of radial openings extending from the central passage radially outward to an outer surface of the body, and a plurality of slots in the outer surface of the body; and a plurality of capture loops, each capture loop extending radially outward through a corresponding radial opening, each capture loop configured to extend through a portion of the prosthetic device, and a distal end of each capture loop configured to be releasably restrained in a corresponding slot of the plurality of slots.
    Type: Application
    Filed: March 6, 2024
    Publication date: December 26, 2024
    Applicant: Medtronic, Inc.
    Inventors: Caitlin M. Owenson, David A. Grossman, Jacob A. Steiner
  • Marker monitoring via a medical device
    Patent number: 12171554
    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: Grant
    Filed: September 18, 2023
    Date of Patent: December 24, 2024
    Assignee: Medtronic, Inc.
    Inventors: John E. Burnes, James K. Carney, Jonathan L. Kuhn, Mark J. Phelps, Jesper Svenning Kristensen, Rodolphe Katra
  • Recapturable left atrial appendage clipping device and methods for recapturing a left atrial appendage clip
    Patent number: 12171438
    Abstract: A recapturable external LAA exclusion clip system includes a clip comprising first and second clip struts, at least one of the struts having a connector interface comprising a first portion of a lock, and a delivery device comprising a handle and an end effector. The handle comprises jaw and lock controls. The end effector is connected to the handle and comprises a clevis and first and second jaws. The jaws are connected to the clevis and operatively connected to the jaw control to actively articulate at least one of the jaws with respect to the other. At least one of the jaws has a connector comprising a second portion of the lock operatively connected to the lock control to removably lock with the first portion of the lock. The first and second portions of the lock have a locked state and are configured to unlock the locked state upon actuation of the lock control.
    Type: Grant
    Filed: October 19, 2023
    Date of Patent: December 24, 2024
    Assignee: Medtronic, Inc.
    Inventors: Derek Dee Deville, Matthew A. Palmer, Richard Cartledge, Thomas O. Bales, Jr., M. Sean McBrayer, William T. Bales, Michael Walter Kirk, William Ragheb, Eric Petersen, Carlos Rivera, Vincent Turturro
  • Medical device and method for generating modulated high frequency electrical stimulation pulses
    Patent number: 12172010
    Abstract: A medical device is configured to deliver therapeutic electrical stimulation pulses by generating frequency modulated electrical stimulation pulse signals. The medical device includes a pulse signal source and a modulator. The pulse signal source generates an electrical stimulation pulse signal having a pulse width. The modulator may include a high frequency modulator configured to modulate a frequency of the pulse signal from a starting frequency down to a minimum frequency during the pulse width. The modulator may include a low frequency bias generator to modulate the offset of the pulse signal between a minimum offset and a maximum offset in other examples.
    Type: Grant
    Filed: May 26, 2023
    Date of Patent: December 24, 2024
    Assignee: Medtronic, Inc.
    Inventors: Vladimir P. Nikolski, Melissa G. T. Christie, Mark T. Marshall, Amy E. Thompson-Nauman
  • Safety default return path for electric field therapy
    Patent number: 12171484
    Abstract: A medical device including a catheter having a proximal portion and a distal portion. A plurality of electrodes is disposed along the distal portion, the plurality of electrodes including a first electrode pair having a first fixed polarity and a second electrode pair having a second fixed polarity different than the first fixed polarity. A first lumen extends through the distal portion, the first lumen includes a first conductor configured to connect to a first electrode of the first electrode pair and a second conductor configured to connect to a second electrode of the first electrode pair. A second lumen extends through the distal portion and separated from the first lumen, the second lumen includes a third conductor configured to connect to a first electrode of the second electrode pair and a fourth conductor configured to connect to a second electrode of the second electrode pair.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: December 24, 2024
    Assignee: Medtronic, Inc.
    Inventors: Brian T. Howard, Mark T. Stewart, Lars M. Mattison
  • Capture in ventricle-from-atrium cardiac therapy
    Patent number: 12172021
    Abstract: Ventricle-from-atrium (VfA) cardiac therapy may utilize a tissue-piercing electrode implanted in the left ventricular myocardium of the patient's heart from the right atrium through the right atrial endocardium and central fibrous body. The exemplary devices and methods may determine whether the tissue-piercing electrode is achieving effective left ventricular capture. Additionally, one or more pacing parameters, or paced settings, may be adjusted in view of the effective left ventricular capture determination.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: December 24, 2024
    Assignee: Medtronic, Inc.
    Inventor: Subham Ghosh
  • Compact implantable medical device and delivery device
    Patent number: 12172004
    Abstract: Methods and systems for positioning a leadless pacing device (LPD) in cardiac tissue are disclosed. A delivery device is employed that comprises a proximal end, a distal end and a lumen therebetween sized to receive the LPD. The LPD has a leadlet extending therefrom that includes a means to fixate the leadlet to tissue. The delivery device comprises an introducer to introduce the LPD into the lumen of the delivery device. The LPD is loaded in the distal end of the lumen of the delivery device. The leadlet extends proximally from the LPD while the fixation means extends distally toward the LPD. A LPD mover is configured to advance the LPD out of the delivery device. A leadlet mover is configured to advance the leadlet out of the lumen delivery device and cause the leadlet to engage with cardiac tissue.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: December 24, 2024
    Assignee: Medtronic, Inc.
    Inventors: Ronald A. Drake, Kenneth C. Gardeski, Carla Pfeiffer, Kevin R. Seifert, Lester O. Stener, Matthew D. Bonner
  • HEART VALVE PROSTHESES WIITH SENSOR FOR HEMODYNAMIC MONITORING
    Publication number: 20240415639
    Abstract: Prosthetic valve devices for implantation within a body or lumen that are configured for hemodynamic monitoring. The prosthetic valve device includes one or more sensors in electrical communication with an inductor formed by a portion of the frame or coupled to the frame of the prosthetic valve device. The sensor is configured to measure a flow parameter within the prosthesis. The inductor is configured to relay a signal to an external detector, the signal being associated with the flow parameter measured by the sensor.
    Type: Application
    Filed: March 5, 2024
    Publication date: December 19, 2024
    Applicant: Medtronic, Inc.
    Inventors: Zeyi GUAN, Geoffrey ORTH
  • Dynamic bio impedance range adjustment for a medical device
    Patent number: 12167908
    Abstract: This disclosure is directed to devices, systems, and techniques for dynamically adjusting a bio impedance measurement range. An example device includes a plurality of electrodes. The device also includes sensing circuitry configured to sense a bio impedance and processing circuitry. The processing circuitry is configured to apply an excitation signal to the sensing circuitry and, based on the application of the excitation signal, determine a sensed bio impedance value within a bio impedance measurement range. The processing circuitry is also configured to determine whether the sensed bio impedance value is within a predetermined portion of the bio impedance measurement range for a predetermined period of time and based on the sensed bio impedance value being within the predetermined portion of the bio impedance measurement range for the predetermined period of time, adjust the excitation signal.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: December 17, 2024
    Assignee: Medtronic, Inc.
    Inventors: Hyun J. Yoon, Jon E. Thissen, Jerry D. Reiland, Ashley L Galarneau
  • Composite separator and electrolyte for electrochemical cells
    Patent number: 12170352
    Abstract: Separator and electrolyte composites include a porous self-supporting separator film between or adjacent one or two electrolyte films. The electrolyte films may contain a glyme or mixture of glymes, LiX salt and complexing agent, such as PEO. The porous self-supporting separator film may be used dry or wetted with a liquid electrolyte composition. Solid state batteries and electrochemical cells are disclosed that include the described separator and electrolyte composites in combination with an anode and a cathode.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: December 17, 2024
    Assignee: Medtronic, Inc.
    Inventors: Hui Ye, Timothy T. Bomstad, Parthasarathy M. Gomadam, Gaurav Jain, Christian S. Nielsen, Prabhakar A. Tamirisa, Collette M. Vanelzen
  • Stimulation induced neural response for parameter selection
    Patent number: 12168133
    Abstract: Devices, systems, and techniques are described for identifying stimulation parameter values based on electrical stimulation that induces dyskinesia for the patient. For example, a method may include controlling, by processing circuitry, a medical device to deliver electrical stimulation to a portion of a brain of a patient, receiving, by the processing circuitry, information representative of an electrical signal sensed from the brain after delivery of the electrical stimulation, determining, by the processing circuitry and from the information representative of the electrical signal, a peak in a spectral power of the electrical signal at a second frequency lower than a first frequency of the electrical stimulation, and responsive to determining the peak in the spectral power of the electrical signal at the second frequency, performing, by the processing circuitry, an action.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: December 17, 2024
    Assignee: Medtronic, Inc.
    Inventors: Rene A. Molina, Scott R. Stanslaski, Jadin C. Jackson, Christopher L Pulliam, Eric J. Panken, Michelle A. Case, Abbey Beuning Holt Becker
  • Posture-based control of electrical stimulation therapy
    Patent number: 12168131
    Abstract: Devices, systems, and techniques are described for selecting an evoked compound action potential (ECAP) growth curve based on a posture of a patient. The ECAP growth curve defines a relationship between a parameter defining delivery of stimulation pulses delivered to the patient and a parameter of an ECAP signal of a nerve of a patient elicited by a stimulation pulse. In one example, a medical device detects a posture of a patient and selects an ECAP growth curve corresponding to the detected posture. The medical device selects, based on the ECAP growth curve corresponding to the detected posture and a characteristic of a detected ECAP signal, a value for a parameter for defining delivery of the stimulation pulses to the patient and controls delivery of the stimulation pulses according to the selected value for the parameter.
    Type: Grant
    Filed: October 6, 2023
    Date of Patent: December 17, 2024
    Assignee: Medtronic, Inc.
    Inventors: David A. Dinsmoor, Christopher L. Pulliam, Hank T. Bink, Kristin N. Hageman
  • Hemostatic devices and methods of use
    Patent number: 12168086
    Abstract: An anchorage device is provided that is configured to surround an implantable medical device. The anchorage device includes a substrate formed from a first material and a second material. At least one of the first and second materials includes a hemostatic agent. Kits, systems and methods are disclosed.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: December 17, 2024
    Assignee: Medtronic, Inc
    Inventors: Satish Pulapura, Fatima Buevich, Jorie S. Soskin, Franklin R. Mansfield, Kai R. Worrell, Charlie Wood, Jorge Alberto Trevino Blanco, Narvel M. Brooks, III
  • Electrolyte additive in primary batteries for medical devices
    Patent number: 12170388
    Abstract: A battery for an implantable medical device (IMD) configured to support a relatively high rate of energy discharge relative to its capacity to support energy intensive therapy delivery, such as high energy anti-tachyarrhythmia shocks, by the IMD. The battery includes a first electrode, a second electrode separated a distance from the first electrode, an electrolyte disposed between the first electrode and the second electrode. The electrolyte includes a lithium salt including LiAsF6, an organic solvent, and an electrolyte additive that includes vinylene carbonate.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: December 17, 2024
    Assignee: Medtronic, Inc.
    Inventor: Joachim Hossick-Schott
  • Surgical system and methods of use
    Patent number: 12168085
    Abstract: A surgical system including an implantable medical device having a size and shape. The surgical device having a substrate and a coating that covers at least a portion of the substrate. The coating includes a polymer, collagen, glycerin and a hemostatic agent. The polymer is selected from the group of polyhydroxybutyrate, polyglycerol sebacate and adducts of polyglycerol sebacate. The substrate including a first piece and a second piece that is joined with the first piece. The first piece and the second piece forming a pocket having a cavity and an opening that is in communication with the cavity. The device being pre-formed such that a size and shape of the cavity conforms to the size and shape of the implantable medical device.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: December 17, 2024
    Assignee: Medtronic, Inc
    Inventors: Sean Chen, Kirsten R. Stark, Satish Pulapura, Kasyap V. Seethamraju, Jonathan T. Goodman, DanThanh H. Le
  • State-based atrial event detection
    Patent number: 12161475
    Abstract: An implantable medical device includes a memory storing criteria for transitioning between states of a cardiac cycle model, the states including a P-wave state. The device also includes sensing circuitry that senses a cardiac signal that varies as a function of a cardiac cycle of a patient, and also includes processing circuitry coupled to the sensing circuitry. The processing circuitry is configured to detect an R-wave in the sensed cardiac signal, to determine an elapsed time since the detection of the R-wave, to determine one or more morphological values of a post-R-wave segment of the cardiac signal to compare the elapsed time and the one or more morphological values to the stored criteria for transitioning between the plurality of states of the cardiac cycle model, and to detect a P-wave in the sensed cardiac signal in response to a transition to the P-wave state of the cardiac cycle model.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: December 10, 2024
    Assignee: Medtronic, Inc.
    Inventors: Michael T. Hemming, Saul E. Greenhut
  • Dorsal spinal column characterization with evoked potentials
    Patent number: 12161871
    Abstract: This disclosure relates to methods, devices, and systems for delivering and adjusting stimulation therapy. In one example, a method comprising delivering, by a stimulation electrode, electrical stimulation as a candidate therapy to a patient according to a set of candidate therapy parameters, the stimulation electrode located in proximity to the dorsal column of a patient; sensing, by a sensing electrode, an electrically evoked compound action potential (eECAP) signal in response to the delivery of the electrical stimulation; and classifying, by a processor, the sensed eECAP signal generated in response to the application of the candidate therapy relative to an eECAP baseline is disclosed.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: December 10, 2024
    Assignee: Medtronic, Inc.
    Inventors: David A. Dinsmoor, Timothy J. Denison, Xin Su
  • Personalization of artificial intelligence models for analysis of cardiac rhythms
    Patent number: 12161487
    Abstract: Techniques are disclosed for monitoring a patient for the occurrence of cardiac arrhythmias. A computing system obtains a cardiac electrogram (EGM) strip for a current patient. Additionally, the computing system may apply a first cardiac rhythm classifier (CRC) with a segment of the cardiac EGM strip as input. The first CRC is trained on training cardiac EGM strips from a first population. The first CRC generates first data regarding an aspect of a cardiac rhythm of the current patient. The computing system may also apply a second CRC with the segment of the cardiac EGM strip as input. The second CRC is trained on training cardiac EGM strips from a smaller, second population. The second CRC generates second data regarding the aspect of the cardiac rhythm of the current patient. The computing system may generate output data based on the first and/or second data.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: December 10, 2024
    Assignee: Medtronic, Inc.
    Inventors: Niranjan Chakravarthy, Siddharth Dani, Tarek D. Haddad, Rodolphe Katra, Donald R. Musgrove, Lindsay A. Pedalty, Andrew Radtke
  • Ventricular geometric and hemodynamic control by heart rate modulation in LVAD therapy
    Patent number: 12156999
    Abstract: A method of operating an implantable blood pump and a pacing device, the method includes determining an end diastolic volume (EDV) and ejection fraction of one from the group consisting of the right ventricle and the left ventricle at a predetermined pump set speed. An average flow rate based on the predetermined pump set speed is determined. A target heart rate based at least in part on the determined EDV, ejection fraction, and average flow rate is determined. A lower rate for the pacing device is determined, the pacing device being in electrical communication with a chamber of the heart. The chamber of the heart is paced when a measured heart rate drops below the lower rate.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: December 3, 2024
    Assignee: Medtronic, Inc.
    Inventor: Troy Jackson
  • Tool for adjusting an implantable adjustable fluid flow control valve
    Patent number: D1054554
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: December 17, 2024
    Assignee: Medtronic, Inc.
    Inventors: William J. Bertrand, Leanne M. Lintula, Leonard Porche