Patents Assigned to Cardiac Pacemakers, Inc.
  • Patent number: 11363993
    Abstract: Systems and methods are described for subject rehospitalization management. In an example, multiple physiologic signals can be obtained from a subject using multiple sensors. In response to a hospitalization event, pre-hospitalization characteristics of the multiple physiologic signals can be identified. Post-hospitalization characteristics of the multiple physiologic signals can be identified, including characteristics that differ from their corresponding pre-hospitalization characteristics. Later subsequent physiologic signals can be further monitored after the hospitalization event, such as using the same multiple sensors, and subsequent physiologic signal characteristics can be identified. In an example, a heart failure diagnostic indication can be determined using information about the pre-hospitalization characteristics, the post-hospitalization characteristics, and the subsequent characteristics.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: June 21, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Pramodsingh Hirasingh Thakur, Qi An, Barun Maskara, Julie A. Thompson
  • Patent number: 11357441
    Abstract: Systems and methods for managing cardiac arrhythmias are discussed. A data management system receives a first detection algorithm including a detection criterion for detecting a cardiac arrhythmia. An arrhythmia detector detects arrhythmia episodes from a physiologic signal using a second detection algorithm that is different from and has a higher sensitivity for detecting the cardiac arrhythmia than the first detection algorithm. The arrhythmia detector assigns a detection indicator to each of the detected arrhythmia episodes. The detection indicator indicates a likelihood that the detected arrhythmia episode satisfies the detection criterion of the first detection algorithm. The system prioritizes the detected arrhythmia episodes according to the assigned detection indicators, and outputs the arrhythmia episodes to a user or a process according to the episode prioritization.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: June 14, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: David L. Perschbacher, Sunipa Saha, Deepa Mahajan
  • Patent number: 11357440
    Abstract: An apparatus comprises a magnetic field detection circuit, a cardiac signal sensing circuit, a memory circuit, a control circuit, and an arrhythmia detection circuit. The cardiac signal sensing circuit generates a cardiac signal representative of cardiac activity of a subject when coupled to sensing electrodes. The control circuit is operatively coupled to the magnetic field detection circuit; the cardiac signal sensing circuit, and the memory circuit. The control circuit stores cardiac signal data determined using the sensed cardiac signal, receives an indication of magnetic field detection by the magnetic field detection circuit, stores data obtained using the sensed cardiac signal during the magnetic field detection, and stores an identifier indicating the magnetic field detection in association with the data. The arrhythmia detection circuit processes the cardiac signal data to detect a cardiac arrhythmia event and confirm the cardiac arrhythmia event according to the magnetic field indication.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: June 14, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Binh C. Tran, Mitchell D. Lanz, Scott R. Vanderlinde
  • Publication number: 20220176110
    Abstract: Delivery devices, systems, and methods for delivering implantable leadless pacing devices are disclosed. An example delivery device may include a proximal section including a deflection mechanism for deflecting the proximal section, and a distal holding section extending distally of a distal end of the proximal section and defining a cavity therein for receiving an implantable leadless pacing device. The distal holding section may be structured to have portions that flex and bend while allowing the implantable device to be recaptured within the distal holding section.
    Type: Application
    Filed: February 23, 2022
    Publication date: June 9, 2022
    Applicant: CARDIAC PACEMAKERS, INC.
    Inventors: BENJAMIN J. HAASL, BRIAN L. SCHMIDT
  • Patent number: 11357125
    Abstract: A medical device includes a hybrid circuitry assembly and a core circuitry support structure. The core circuitry support structure includes a frame defining a cavity configured to receive at least a portion of the hybrid circuitry assembly. An outer surface of the frame is shaped to correspond to an inside surface of a core assembly housing configured to enclose the hybrid circuitry assembly and the core circuitry support structure.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: June 7, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Jean M. Bobgan, David P. Stieper, Joseph Prescott
  • Patent number: 11351386
    Abstract: Methods and tool kits for implanting a lead subcutaneously. Examples include tool kits and methods for establishing first and second subcutaneous tunnels at an angle relative to one another to facilitate introduction of a lead to the subcutaneous space. In an example, a tunneling tool and lead assembly are advanced simultaneously into the subcutaneous space. The tunneling tool may include a curved region configured to transition the tool from the first subcutaneous tunnel to the second subcutaneous tunnel with the use of a single incision.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: June 7, 2022
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: G. Shantanu Reddy, Andrew L. De Kock
  • Patent number: 11350848
    Abstract: Systems and methods provide for assessing the heart failure status of a patient and, more particularly, to generating a trend parameter based on a distribution of the patient's respiration rate. Systems and methods provide for detecting, using an implantable device or a patient-external device, patient respiration and computing a respiration rate based on the detected patient respiration. A distribution of the respiration rate is calculated, and a trend parameter based on the respiration rate distribution is generated. The trend parameter is indicative of a patient's heart failure status. An output signal indicative of the patient's heart failure status may be generated based on the trend parameter.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: June 7, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Viktoria Averina, Yi Zhang, Yousufali Dalal
  • Patent number: 11338135
    Abstract: Embodiments herein relate to medical device systems including electric field shaping elements for use in treating cancerous tumors within a bodily tissue. In an embodiment, a medical device system for treating a cancerous tumor is described. The medical device system can include one or more electric field generating electrodes and an electric field shaping element configured to be implanted along with the one or more electric field generating electrodes. The electric field shaping element can be made from a material that alters the spatial area of tissue exposed to the electric field. Other embodiments are also included herein.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: May 24, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Brian L. Schmidt, Jacob M. Ludwig, Benjamin J. Haasl, Michael J. Kane
  • Patent number: 11338145
    Abstract: Various aspects of the present disclosure are directed toward apparatuses, systems, and methods for pacing a HIS bundle of a patient. The apparatuses, systems, and methods may include applying stimulation energy through one or more of a plurality of electrodes to direct a stimulation locus and pace a HIS bundle of a patient.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: May 24, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Pramodsingh H. Thakur, Allan C. Shuros, Brian Soltis, Juan G. Hincapie, Qi An, Yinghong Yu, Keith R. Maile
  • Patent number: 11324860
    Abstract: An implantable medical device includes a polymer substrate and at least one nanofiber. The polymer substrate includes a surface portion extending into the polymer substrate from a surface of the substrate. The at least one nanofiber includes a first portion and a second portion. The first portion is interpenetrated with the surface portion of the substrate, and mechanically fixed to the substrate. The second portion projects from the surface of the substrate.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: May 10, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: David R. Wulfman, Danielle Frankson, Adeniyi O. Aremu, Angelo Fruci, Gregory J. Sherwood, Mary M. Byron, Joseph T. Delaney, Jr., Adam McGraw
  • Patent number: 11318313
    Abstract: This document discusses, among other things, systems and methods to determine a response between received cardiac electrical information from a subject, such as a time of a P wave, and received cardiac acceleration information of the subject, such as a time of a first heart sound (S1) or a second heart sound (S2), across a set of stimulation signals provided to the subject at different AVD intervals, and determining one or more cardiac resynchronization therapy (CRT) parameters using an inflection point of the determined response.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: May 3, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Yinghong Yu, Krzysztof Z. Siejko, Qi An
  • Patent number: 11318303
    Abstract: A device for the active fixation of an implantable medical lead includes a housing, a tine assembly, an electrode, and a rotatable shaft. The housing includes a proximal end for connecting to the lead and a distal end opposite the proximal end. The housing defines a housing lumen extending between the proximal end and a recess adjacent to the distal end. The tine assembly is disposed within the housing lumen and includes at least one tine configured to self-bias from a linear configuration within the housing to a curved configuration outside of the housing. The electrode assembly is disposed at the distal end of the housing and includes a plurality of electrodes. The rotatable shaft extends through the housing lumen and is configured to engage the tine assembly such that rotation of the shaft transitions the at least one tine between the linear configuration and the curved configuration.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: May 3, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Allan C. Shuros, Arthur J. Foster, Keith L. Herrmann, Deepa Mahajan, Stephen J. Hahn
  • Patent number: 11311731
    Abstract: This document discusses, among other things, systems and methods to determine a response curve between received cardiac electrical information from a subject, such as a time of a P wave, and received cardiac acceleration information of the subject, such as a time of a first heart sound (S1) or a second heart sound (S2), to a set of stimulation signals provided to the subject at different AVD intervals. In certain examples, one or more cardiac resynchronization therapy (CRT) parameters can be determined for the subject using the determined response curve.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: April 26, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Yinghong Yu, Krzysztof Z. Siejko, Qi An
  • Patent number: 11311244
    Abstract: This document discusses, among other things, systems and methods to produce a composite heart sound signal of a patient using a first signal including heart sound information over a first physiologic interval and a second signal including heart sound information over the first physiologic interval.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: April 26, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Jonathan Bennett Shute, Bin Mi, Pramodsingh Hirasingh Thakur, Qi An
  • Patent number: 11304646
    Abstract: Systems and methods for detecting atrial tachyarrhythmias (AT) such as atrial fibrillation (AF) are disclosed. A medical system can include a cardiac signal sensor circuit to sense a cardiac electrical signal and a heart sound (HS) sensor to sense heart a HS signal A cardiac electrical signal metric, including a cycle length variability or a detection of atrial electrical activity, can be generated from the cardiac electrical signal A HS metric can be generated from the HS signal, including a status of detection of S4 heart sound or a S4 heart sound intensity indicator. The system can include an AT detector circuit that can detect an AT event, such as an AF event, using the cardiac electrical signal metric and the HS metric. The system can additionally classify the detected AT event as an AF or an atrial flutter event.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: April 19, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Pramodsingh Hirasingh Thakur, Bin Mi, Howard D. Simms, Jr., Qi An, John D. Hatlestad, Keith R. Maile
  • Patent number: 11305125
    Abstract: An implantable medical device (IMD) that includes a housing, a first electrode secured relative to the housing, a second electrode secured relative to the housing, and a gyroscope secured relative to the housing. The IMD may include circuitry in the housing in communication with the first electrode, the second electrode, and the gyroscope. The circuitry may be configured to determine and store a plurality of torsion data measurements, from which a representation of a twist profile may be determined.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: April 19, 2022
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: Bin Mi, Pramodsingh Hirasingh Thakur, Jeffrey E. Stahmann, Keith R. Maile, Qi An, Brendan Early Koop, Yinghong Yu, Viktoria A. Averina, Michael J. Kane, Krzysztof Z. Siejko
  • Publication number: 20220111220
    Abstract: Wearable, automatic external, and implantable defibrillators, as well as methods of operation in such systems, are disclosed with shock delivery mitigations to avoid delivering a defibrillation shock on a T-wave. Prior to issuance of a defibrillation shock, one or more detected cardiac events are analyzed to characterize a detected event that is sensed for purposes of synchronizing the defibrillation shock. The detected event can be characterized as an R-wave or a T-wave, and the shock delivery protocol is then selected based on the characterization of the detected event to avoid shock-on-T and potential pro-arrhythmia.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 14, 2022
    Applicant: CARDIAC PACEMAKERS, INC.
    Inventors: VENUGOPAL ALLAVATAM, BENJAMIN SPEAKMAN, LEANNE M. EBERLE
  • Patent number: 11298068
    Abstract: Systems and methods for detecting cardiac arrhythmias such as atrial tachyarrhythmia (AT) are discussed. An exemplary system includes a ventricular beat analyzer circuit to detect ventricular beats and assess ventricular activity, such as to evaluate a ventricular rate stability. The system includes an arrhythmia detector circuit to detect respective AT indications in distinct time periods using portions of received physiologic information during the distinct time periods. A control circuit can monitor the ventricular beats on a beat-by-beat basis, in response to the detected ventricular beats satisfying an instability condition, trigger AT detections during the distinct time periods and withhold AT detection in a subsequent time period if no AT is detected in the present time period. An AT characteristic may be generated using the detected AT indications. A therapy may be delivered in accordance with the AT characteristic.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: April 12, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: David L. Perschbacher, Deepa Mahajan, Sunipa Saha
  • Patent number: 11298081
    Abstract: Systems and methods for monitoring patients with a chronic disease such as heart failure are disclosed. The system may include a physiological sensor circuit to sense physiological signals and generate signal metrics from the physiological signals. The system may include a health status analyzer circuit to use the signal metrics to generate one or more stability indicators of patient health status, such as stability of heart failure status. The system may additionally generate one or more health status indicators indicating patient health status such as heart failure progression. A patient disposition decision may be generated using the health status indicators and the stability indicators to provide an indication of readiness for patient discharge from or a risk of admission to a hospital.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: April 12, 2022
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Qi An, Jeffrey E. Stahmann, Pramodsingh Hirasingh Thakur, Viktoria A. Averina, Keith R. Maile
  • Patent number: 11285326
    Abstract: Systems and methods for rate-adaptive pacing are disclosed. In one illustrative embodiment, a medical device for delivering electrical stimulation to a heart may include a housing configured to be implanted on the heart or within a chamber of the heart, one or more electrodes connected to the housing, and a controller disposed within the housing. The controller may be configured to sense a first signal and determine a respiration rate based at least in part on the sensed first signal. In at least some embodiments, the controller may be further configured to adjust a rate of delivery of electrical stimulation by the medical device based at least in part on the determined respiration rate.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: March 29, 2022
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: Allan C. Shuros, Rodney W. Salo, Michael J. Kane, Donald L. Hopper