公开(公告)号：US20230285758A1

公开(公告)日：2023-09-14

申请号：US18200406

申请日：2023-05-22

Applicant: MEDTRONIC, INC.

Inventor： Andrea J. Asleson ,  Wade M. Demmer ,  Nathan A. Grenz ,  Ruth N. Klepfer ,  Alexander R. Mattson ,  Kevin Seifert ,  Zhongping Yang

IPC: A61N1/368 ,  A61N1/05 ,  A61B17/34 ,  A61N1/375 ,  A61N1/362

CPC classification number: A61N1/3684 ,  A61N1/056 ,  A61B17/3468 ,  A61N1/37512 ,  A61N1/0573 ,  A61N1/3622 ,  A61N2001/0578 ,  A61N2001/0585

Abstract: Systems, devices, and methods may be used to deliver and provide cardiac pacing therapy to a patient. Leads or leadlets carrying one or more left ventricular electrodes may be positioned in or near the interventricular septum to sense and pace left ventricular signals of the patient's heart. In one example, a leadlet including one or more left ventricular electrodes may extend in the coronary sinus from a leadless implantable medical device located in the right atrium.

公开(公告)号：US11752346B2

公开(公告)日：2023-09-12

申请号：US16993684

申请日：2020-08-14

Applicant: Medtronic, Inc.

Inventor： Todd J. Sheldon ,  Wade M. Demmer ,  Greggory R. Herr

IPC: A61N1/365 ,  A61N1/375 ,  A61N1/372 ,  A61N1/368 ,  A61B5/00 ,  A61B5/11 ,  A61B5/352 ,  A61N1/05

CPC classification number: A61N1/36578 ,  A61B5/1102 ,  A61B5/352 ,  A61B5/4836 ,  A61B5/686 ,  A61B5/7282 ,  A61N1/3682 ,  A61N1/3756 ,  A61N1/37205 ,  A61N1/0573 ,  A61N1/37217

Abstract: A pacemaker having a motion sensor delivers atrial-synchronized ventricular pacing by detecting events from a signal produced by the motion sensor and delivering ventricular pacing pulses at a rate that tracks the rate of the detected events. The pacemaker is configured to confirm atrial tracking of the ventricular pacing pulses by determining if detected events from the motion sensor signal are atrial events. The pacemaker is configured to adjust a control parameter used for detecting events from the motion sensor signal if atrial tracking is not confirmed.

公开(公告)号：US11684784B2

公开(公告)日：2023-06-27

申请号：US17106500

申请日：2020-11-30

Applicant: Medtronic, Inc.

Inventor： Todd J. Sheldon ,  Yong K. Cho ,  Wade M. Demmer ,  Mark K. Erickson ,  Vincent E. Splett

IPC: A61N1/365 ,  A61N1/375 ,  A61N1/368 ,  A61N1/372

CPC classification number: A61N1/36542 ,  A61N1/3688 ,  A61N1/3756 ,  A61N1/36507 ,  A61N1/36535 ,  A61N1/36578 ,  A61N1/37217

Abstract: An intracardiac ventricular pacemaker is configured to operate in in a selected one of an atrial-tracking ventricular pacing mode and a non-atrial tracking ventricular pacing mode. A control circuit of the pacemaker determines at least one motion signal metric from the motion signal, compares the at least one motion signal metric to pacing mode switching criteria, and, responsive to the pacing mode switching criteria being satisfied, switches from the selected one of the non-atrial tracking pacing mode and the atrial tracking pacing mode to the other one of the non-atrial tracking pacing mode and the atrial tracking pacing mode for controlling ventricular pacing pulses delivered by the pacemaker.

公开(公告)号：US20220346693A1

公开(公告)日：2022-11-03

申请号：US17813242

申请日：2022-07-18

Applicant: Medtronic, Inc.

Inventor： Wade M. Demmer ,  Todd J. Sheldon ,  Saul E. Greenhut ,  James D. Reinke

IPC: A61B5/363 ,  A61N1/37 ,  A61N1/365 ,  A61N1/362 ,  A61N1/375 ,  A61B5/00

Abstract: The control module of a first pacemaker included in an implantable medical device system including the first pacemaker and a second pacemaker is configured to set a pacing escape interval in response to a far field pacing pulse sensed by the first pacemaker. The far field pacing pulse is a pacing pulse delivered by the second pacemaker. The pacing escape interval is allowed to continue without restarting the in response to a far field intrinsic event sensed by the first pacemaker during the pacing escape interval. The first pacemaker delivers a cardiac pacing pulse to the heart upon expiration of the pacing escape interval.

公开(公告)号：US20220314006A1

公开(公告)日：2022-10-06

申请号：US17655800

申请日：2022-03-22

Applicant: Medtronic, Inc.

Inventor： Matthew D. Bonner ,  Robert D. Musto ,  Wade M. Demmer ,  Todd J. Sheldon ,  Michelle M. Galarneau ,  Vinod Sharma ,  Maureen E. Lybarger ,  Greggory R. Herr ,  Alyssa L. Paul

IPC: A61N1/37 ,  A61N1/372 ,  A61N1/365

Abstract: A system includes an implantable medical device (IMD) and processing circuitry. The IMD includes sensing circuitry configured to sense cardiac electrical signals of a patient, and therapy delivery circuitry configured to deliver demand cardiac pacing to a heart of the patient based on the cardiac electrical signals. The processing circuitry is configured to: determine, for each of a plurality of time units, based on the cardiac electrical signals and the delivery of demand cardiac pacing during the time units, a plurality of metrics indicative of a need for continued delivery of demand cardiac pacing to the heart of the patient. The plurality of metrics includes a metric associated with a duration of one or more pacing episodes during the time unit. The processing circuitry is further configured to generate a graphical representation of the plurality of metrics of the plurality of time units for presentation to a user.

公开(公告)号：US11420067B2

公开(公告)日：2022-08-23

申请号：US16833965

申请日：2020-03-30

Applicant: Medtronic, Inc.

Inventor： Wade M. Demmer ,  Alexander R. Mattson ,  Todd J. Sheldon ,  Zhongping Yang

IPC: A61N1/365 ,  A61N1/368 ,  A61N1/37 ,  A61N1/39

Abstract: A medical device includes a motion sensor for producing a motion signal including cardiac event signals. The medical device generates a ventricular pacing pulse upon expiration of a pacing interval. The medical device determines a synchrony metric from the motion signal after a delivered ventricular pacing pulse and adjusts the pacing interval based on the synchrony metric.

公开(公告)号：US11357987B2

公开(公告)日：2022-06-14

申请号：US16654052

申请日：2019-10-16

Applicant: Medtronic, Inc.

Inventor： Vincent E. Splett ,  Todd J. Sheldon ,  Yong K. Cho ,  Wade M. Demmer ,  Mark K. Erickson

IPC: A61N1/36 ,  A61N1/365 ,  A61N1/368 ,  A61N1/375 ,  A61N1/372

Abstract: An intracardiac ventricular pacemaker having a motion sensor is configured to produce a motion signal including an atrial systolic event and a ventricular diastolic event indicating a passive ventricular filling phase, set a detection threshold to a first amplitude during an expected time interval of the ventricular diastolic event and to a second amplitude lower than the first amplitude after an expected time interval of the ventricular diastolic event. The pacemaker is configured to detect the atrial systolic event in response to the motion signal crossing the detection threshold and set an atrioventricular pacing interval in response to detecting the atrial systolic event.

公开(公告)号：US20220062645A1

公开(公告)日：2022-03-03

申请号：US17401185

申请日：2021-08-12

Applicant: Medtronic, Inc.

Inventor： Jian Cao ,  Elizabeth A. Mattson ,  Todd J. Sheldon ,  Xiaohong Zhou ,  Wade M. Demmer

IPC: A61N1/37

Abstract: This disclosure is directed to devices and techniques for classifying of pacing captures to evaluate effectiveness of pacing by a pacing device, such as an implantable medical device (IMD). An example system includes stimulation circuitry to generate a pacing stimulus, sensing circuitry to sense an evoked response after the pacing stimulus, and processing circuitry. The processing circuitry determines classification features from the evoked response and applies the classification features to a classification model, the classification model generated by a machine learning algorithm using one or more test sets comprising a plurality of sample evoked responses for each of a plurality of classifications. Based on the output of the model, the processing circuitry classifies the evoke response as one of the plurality of classifications.

公开(公告)号：US11097117B2

公开(公告)日：2021-08-24

申请号：US16283087

申请日：2019-02-22

Applicant: Medtronic, Inc.

Inventor： Karen J. Kleckner ,  Wade M. Demmer ,  Vincent P. Ganion ,  Yanina Grinberg ,  Paul R. Solheim

IPC: A61N1/378 ,  A61N1/05 ,  A61N1/362 ,  A61N1/365 ,  A61N1/39 ,  A61B5/352 ,  A61B5/361 ,  A61B5/363

Abstract: A medical device and method conserve electrical power used in monitoring cardiac arrhythmias. The device includes a sensing circuit configured to sense a cardiac signal, a power source and a control circuit having a processor powered by the power source. The control circuit is configured to operate in a normal state by waking up the processor to analyze the cardiac electrical signal for determining a state of an arrhythmia. The control circuit switches from the normal state to a power saving state that includes waking up the processor at a lower rate than during the normal state.

公开(公告)号：US20210106837A1

公开(公告)日：2021-04-15

申请号：US17028645

申请日：2020-09-22

Applicant: Medtronic, Inc.

Inventor： Andrew J. Ries ,  Wade M. Demmer ,  Troy E. Jackson

IPC: A61N1/375

Abstract: An implantable medical device includes an electrically conductive first housing, a conductive feedthrough extending through the first housing, electronic circuitry positioned within the first housing, a device electrode, and a second housing. The electronic circuitry is electrically coupled to the first housing and the feedthrough, and senses electrical signals of a patient and/or delivers electrical stimulation therapy to the patient via the first housing and the feedthrough. The device electrode is configured to electrically connect with tissue and/or a fluid at a target site in the patient. A lead connector is configured to connect to a proximal end of an implantable medical lead. The lead connector includes a first connector contact electrically coupled to the feedthrough and a second connector contact electrically coupled to the first housing.