公开(公告)号：US20220061886A1

公开(公告)日：2022-03-03

申请号：US17397276

申请日：2021-08-09

Applicant: Medtronic, Inc.

Inventor： Ronald A. Drake ,  Kevin R. Seifert ,  Lester O. Stener ,  Amy E. Thompson-Nauman

IPC: A61B17/34 ,  A61N1/05 ,  A61M25/01

Abstract: Extravascular implant tools that utilize a bore-in mechanism to safely access extravascular locations and implant techniques utilizing these tools are described. The bore-in mechanism may include a handle and a helix extending from the handle. The bore-in mechanism is used, for example, in conjunction with a tunneling tool to traverse the diaphragmatic attachments to access a substernal location. The tunneling tool may be an open channel tunneling tool or a conventional tunneling tool (e.g., metal rod).

公开(公告)号：US11247061B2

公开(公告)日：2022-02-15

申请号：US16536979

申请日：2019-08-09

Applicant: Medtronic, Inc.

Inventor： Amy E. Thompson-Nauman ,  Jeffrey D. Wilkinson ,  Darrell J. Swenson

IPC: A61N1/39

Abstract: In some examples, medical device systems that deliver anti-tachyarrhythmia shock(s) (e.g., defibrillation shock(s)) to a heart of a patient in coordination with the respiration of the patient. In one example, a medical device system including therapy generation circuitry configured to generate a defibrillation shock. The medical device system also includes processing circuitry configured to identify a time at which a respiratory volume of a lung of a patient is at approximately end tidal volume or less; and control the therapy generation circuitry to deliver the defibrillation shock to a heart of the patient at the time that the respiratory volume of the lung of a patient is at the approximately end tidal volume or less.

公开(公告)号：US20220015800A1

公开(公告)日：2022-01-20

申请号：US17492102

申请日：2021-10-01

Applicant: Medtronic, Inc.

Inventor： Vladimir P. Nikolski ,  Linnea R. Lentz ,  Amy E. Thompson-Nauman ,  Teresa A. Whitman ,  Mark T. Marshall

IPC: A61B17/34 ,  A61B17/00 ,  A61M25/00 ,  A61N1/05

Abstract: In some examples, a system includes a medical device comprising an elongate body configured to advance through layers of tissue of a patient, a lumen extending through the elongate body, a fluid line configured to supply fluid to the lumen, and a pressure sensor positioned within the lumen or the fluid line. The system may further include processing circuitry configured to receive, from the pressure sensor, a signal corresponding to the pressure of the fluid at each of a plurality of time points, determine, for each time point: a corresponding amplitude value of the signal, a difference between two amplitude values of the signal, an amplitude oscillation status of the signal, a position of the elongate body based on the difference and the amplitude oscillation status; and provide an indication of the position of the elongate body relative to the layers of tissue.

公开(公告)号：US20210187313A1

公开(公告)日：2021-06-24

申请号：US17196526

申请日：2021-03-09

Applicant: Medtronic, Inc.

Inventor： Yanina Grinberg ,  Robert T. Sawchuk ,  Amy E. Thompson-Nauman ,  Douglas A. Peterson ,  Paul R. Solheim ,  Joel R. Lauer

IPC: A61N1/39 ,  A61N1/362 ,  A61N1/37 ,  A61N1/372

Abstract: An implantable cardioverter defibrillator (ICD) receives a cardiac electrical signal by a sensing circuit while operating in a sensing without pacing mode and detects asystole based on the cardiac electrical signal. The ICD determines, in response to detecting the asystole, if asystole backup pacing is enabled, and automatically switches to a temporary pacing mode in response to the asystole backup pacing being enabled. Other examples of detecting asystole and providing a response to detecting asystole by the ICD are described herein.

公开(公告)号：US20210178151A1

公开(公告)日：2021-06-17

申请号：US17188538

申请日：2021-03-01

Applicant: Medtronic, Inc.

Inventor： Melissa G.T. Christie ,  Noah D. Barka ,  Rick D. McVenes ,  Amy E. Thompson-Nauman

IPC: A61N1/05 ,  A61M5/14 ,  A61B17/34

Abstract: Devices and implantation methods utilizing subcutaneous placement into a patient are disclosed for the insertion, advancement and positioning of a subcutaneous implantable medical device (SIMD) such as a medical electrical lead. The device for implanting the SIMD is configured having a pre-biased distal curve for creating a pathway to an implant location within a substernal space.

公开(公告)号：US10888695B2

公开(公告)日：2021-01-12

申请号：US14961999

申请日：2015-12-08

Applicant: Medtronic, Inc.

Inventor： Amy E. Thompson-Nauman

IPC: A61N1/05 ,  A61N1/39 ,  A61B17/34 ,  A61B17/32

Abstract: Implant tools and techniques for implanting implantable medical leads or other implantable components in extracardiovascular locations, such as substernal locations, are described. In one example, the present application provides an implant tool for implanting a medical lead comprises a handle and a shaft. The shaft includes a proximal segment that is permanently coupled to the handle and a distal segment that is detachably coupled to the proximal segment. The distal segment includes a proximal end configured to couple to the proximal segment, a distal end, and a lumen extending an entire length of the distal segment from the proximal end to the distal end. In some instances, the implant tool may be part of a delivery system that includes a puncturing tool having a proximal end and a distal end, wherein the distal end is sharp, such as a syringe coupled to a needle.

公开(公告)号：US10668270B2

公开(公告)日：2020-06-02

申请号：US14261488

申请日：2014-04-25

Applicant: Medtronic, Inc.

Inventor： Amy E. Thompson-Nauman ,  Melissa G. T. Christie ,  Paul J. DeGroot ,  Rick D. McVenes

IPC: A61N1/375 ,  A61N1/362 ,  A61N1/372 ,  A61N1/05 ,  A61N1/365

Abstract: Implantable leadless cardiac pacing systems and methods for providing substernal pacing using the leadless cardiac pacing systems are described. In one embodiment, an implantable leadless cardiac pacing system includes a housing, a first electrode on the housing, a second electrode on the housing, and a pulse generator within the housing and electrically coupled to the first electrode and the second electrode. The housing is implanted substantially within an anterior mediastinum of a patient and the pulse generator is configured to deliver pacing pulses to a heart of the patient via a therapy vector formed between the first and second electrodes.

公开(公告)号：US20200069952A1

公开(公告)日：2020-03-05

申请号：US16678365

申请日：2019-11-08

Applicant: Medtronic, Inc.

Inventor： Amy E. Thompson-Nauman ,  Melissa G.T. Christie ,  Paul J. DeGroot ,  Rick D. McVenes ,  Becky L. Dolan

IPC: A61N1/39 ,  A61N1/05

Abstract: Substernal implantable cardioveter-defibrillator (ICD) systems and methods for providing substernal electrical stimulation therapy to treat malignant tachyarrhythmia, e.g., ventricular tachycardia (VT) and ventricular fibrillation (VF) are described. In one example, an implantable cardioveter-defibrillator (ICD) system includes an ICD implanted in a patient and an implantable medical electrical lead. The lead includes an elongated lead body having a proximal end and a distal portion, a connector at the proximal end of the lead body configured to couple to the ICD, and one or more electrodes along the distal portion of the elongated lead body. The distal portion of the elongated lead body of the lead is implanted substantially within an anterior mediastinum of the patient and the ICD is configured to deliver electrical stimulation to a heart of the patient using the one or more electrodes.

公开(公告)号：US10350387B2

公开(公告)日：2019-07-16

申请号：US14293260

申请日：2014-06-02

Applicant: Medtronic Inc.

Inventor： Andrea J. Asleson ,  Melissa G. T. Christie ,  Amy E. Thompson-Nauman

IPC: A61M25/01 ,  A61B17/32 ,  A61M25/00 ,  A61N1/05 ,  A61B17/34 ,  A61B17/00

Abstract: A medical device and medical method. The medical device includes a flexible elongate body defining a proximal end and a distal end. The elongate body defines a first lumen spanning from the proximal end to a location proximal to the distal end. A shaping member insertable within the first lumen is included, the shaping member is configured to retain a manipulated shape when the flexible elongate body is manipulated from a first configuration to a second configuration. A tip is coupled to the distal end.

公开(公告)号：US10137295B2

公开(公告)日：2018-11-27

申请号：US15860310

申请日：2018-01-02

Applicant: Medtronic, Inc.

Inventor： Mark T. Marshall ,  Jian Cao ,  Melissa G. T. Christie ,  Paul J. DeGroot ,  Vladimir P. Nikolski ,  Amy E. Thompson-Nauman

IPC: A61N1/00 ,  A61N1/05 ,  A61N1/39

Abstract: Implantable medical electrical leads having electrodes arranged such that a defibrillation coil electrode and a pace/sense electrode(s) are concurrently positioned substantially over the ventricle when implanted as described. The leads include an elongated lead body having a distal portion and a proximal end, a connector at the proximal end of the lead body, a defibrillation electrode located along the distal portion of the lead body, wherein the defibrillation electrode includes a first electrode segment and a second electrode segment proximal to the first electrode segment by a distance. The leads may include at least one pace/sense electrode, which in some instances, is located between the first defibrillation electrode segment and the second defibrillation electrode segment.