Patents Assigned to Medtronic
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Patent number: 9586052Abstract: Systems and methods are described herein for assisting a user in evaluation of cardiac therapy. The systems and methods may monitor electrical activity of a patient using external electrode apparatus to provide baseline electrical heterogeneity information and therapy electrical heterogeneity information. The electrical heterogeneity information may be used to generate surrogate hemodynamic information.Type: GrantFiled: May 4, 2015Date of Patent: March 7, 2017Assignee: Medtronic, Inc.Inventors: Jeffrey Gillberg, Subham Ghosh, Tarek Haddad
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Patent number: 9589730Abstract: A feed-through assembly is presented. The feed-through assembly includes a first end and a second end with a body therebetween. The first end comprises a substantially L-shaped end and a block. The substantially L-shaped end includes a first contact surface. The block includes a second contact surface.Type: GrantFiled: March 26, 2012Date of Patent: March 7, 2017Assignee: Medtronic, Inc.Inventor: Scott B. Sleeper
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Patent number: 9586024Abstract: Flexible radiopaque filaments coupled to and extending from a distal end of a guide catheter are disclosed that aid a clinician in locating an ostium of a branch vessel. The filaments are at least partially formed of a radiopaque material and are designed to move with the blood flow. In a method of locating an ostium of a branch vessel or a fenestration of an implanted graft, at least some of the filaments enter the ostium or fenestration when the distal end of the guide catheter is placed proximal thereto. The filaments provide an accurate and quick indication of the ostium location without the need for a contrast agent.Type: GrantFiled: April 18, 2011Date of Patent: March 7, 2017Assignee: Medtronic Vascular, Inc.Inventor: Paul Coates
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Patent number: 9590442Abstract: A control circuitry (134) and a method for controlling a bi-directional switch (132) is provided. The bi-directional switch (132) having a control terminal (130) for receiving a control voltage (124) to control an on state and an off state of the bi-directional switch (132) and at least one semiconductor switch in a bi-directional main current path. The control circuitry (134) comprises an energy storage element (102), a coupling means (101) to couple the energy storage element (102) to a supply voltage to charge the energy storage element (102), and a control circuit (108) configured to receive power from the energy storage element (102) and pendent of the supply voltage when the emergency storage element (102) is not coupled to the supply voltage. The coupling means (101) is configured for only coupling the energy storage element (102) to the supply voltage when the bi-directional switch (132) is in the off state.Type: GrantFiled: December 10, 2014Date of Patent: March 7, 2017Assignee: Medtronic Bakken Research Center B.V.Inventors: Pieter Gerrit Blanken, Jeroen Jacob Arnold Tol, Franciscus Adrianus Cornelis Maria Schoofs, Dave Willem Van Goor
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Publication number: 20170056099Abstract: A multipurpose electrosurgical device is configurable in a bipolar mode and a monopolar mode using a three-conductor electrical input. The device includes a switching mechanism that provides signals corresponding with a first function and a second function in a monopolar mode. The switching mechanism also provides a signal corresponding with a third function in a bipolar mode.Type: ApplicationFiled: July 21, 2016Publication date: March 2, 2017Applicant: Medtronic Advanced Energy LLCInventors: David Hubelbank, Roger D. Greeley
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Publication number: 20170055892Abstract: The invention disclosed herein includes sensors having three dimensional configurations that allow expansive “360°” sensing (i.e. sensing analyte from multiple directions) in the environments in which such sensors are disposed. Embodiments of the invention provide analyte sensors having foldable substrates adapted to produce optimized configurations of electrode elements as well as methods for making and using such sensors. Typical embodiments of the invention include glucose sensors used in the management of diabetes.Type: ApplicationFiled: September 21, 2016Publication date: March 2, 2017Applicant: Medtronic MiniMed, Inc.Inventors: Megan E. Little, Katherine T. Wolfe, Raghavendhar Gautham, Bradley Chi Liang, Rajiv Shah
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Patent number: 9579500Abstract: A tine portion for an implantable medical device includes a hook segment and a distal segment terminated by a tissue-piercing tip, wherein the distal segment extends from the hook segment to the tip. The hook segment, which is elastically deformable from a pre-set curvature, has one of: a round cross-section and an elliptical cross-section, while the distal segment has a flattened, or approximately rectangular cross-section. One or a pair of the tine portions may be integrally formed, with a base portion, from a superelastic wire, wherein the base portion is configured to fixedly attach to the device, for example, being captured between insulative members of a fixation subassembly.Type: GrantFiled: August 20, 2015Date of Patent: February 28, 2017Assignee: Medtronic, Inc.Inventors: Kenneth D Rys, Thomas A Anderson, Vladimir Grubac, Jonathan L Kuhn
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Patent number: 9579437Abstract: The present invention, in one embodiment, is a blood pump for intraventricular placement inside a heart of a mammalian subject including a rigid elongate member having a length between proximal and distal ends and a bore extending along the length, an anchor element connected towards the proximal end of the rigid elongate member and mounted to the subject's heart, a pump having an inlet and an outlet, a rotor and at least one electric drive coil for magnetically driving the rotor, the pump connected at or adjacent to the distal end of the rigid elongate member remote from the anchor element and wiring extending through the bore to the pump, wherein the proximal end of the rigid elongate member extends past the anchor element to a position outside of the subject's heart. Additional embodiments of a blood pump, and various methods of intraventricular placement inside a heart of a mammalian subject are also considered.Type: GrantFiled: September 28, 2015Date of Patent: February 28, 2017Assignee: Medtronic HeartWare, Inc.Inventors: Jeffrey A. LaRose, Charles R. Shambaugh, Jr., Steve A. White, Daniel Tamez
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Patent number: 9579454Abstract: A medical device system includes at least one controllable patient-worn or patient-carried medical device, and a plurality of controller devices that are capable of independently controlling features or functions of the patient medical device. Control commands and other data is wirelessly communicated among the patient medical device and the multiple controller devices. A number of techniques, protocols, and other measures are provided to coordinate wireless communication between the various devices in a medical device system. These control command coordination processes address situations where conflicting, redundant, or concurrent control commands might be independently issued by the multiple controller devices.Type: GrantFiled: November 10, 2014Date of Patent: February 28, 2017Assignee: Medtronic MiniMed, Inc.Inventors: Sheldon B. Moberg, Ian B. Hanson
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Patent number: 9579512Abstract: An implantable medical device includes circuitry for generating and delivering electrical stimulation therapy. A power source is included in the implantable medical device for storage of the energy for the stimulation therapy. Techniques and circuits are provided for minimizing energy losses associated with the storage of the stimulation therapy energy. The implantable medical device circuitry includes charging circuitry that is operated in at least a first mode and a second mode, such that the charging circuit is operable in one of the at least first and second modes based on whether an intrinsic cardiac event is detected. The charging circuit is operable to withhold charging the output capacitor in the first mode until a given cardiac cycle elapses without a sensed intrinsic cardiac event.Type: GrantFiled: May 14, 2015Date of Patent: February 28, 2017Assignee: Medtronic, Inc.Inventor: Wade M Demmer
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Patent number: 9579194Abstract: A method and device for reducing paravalvular leakage upon implantation of a replacement heart valve is provided. The valve assembly includes a tissue or bioprosthetic heart valve attached to an anchoring structure. The anchoring structure includes an inlet rim that is substantially C-shaped in cross section to form a concave landing zone. The anchoring structure self-seats when implanted in the sinus of a patient with the proximal and distal ends of the C-shaped inlet rim pushed against the aorta to effectively prevent paravalvular leakage.Type: GrantFiled: October 21, 2009Date of Patent: February 28, 2017Assignee: Medtronic ATS Medical, Inc.Inventors: David Elizondo, Andrzej M. Malewicz, Matthew W. Weston, Keith E. Myers
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Patent number: 9579517Abstract: An implantable medical device includes a low-power circuit, a high-power circuit, and a dual-cell power source. The power source is coupled to a transformer having first and second primary windings, each of which is selectively coupled to the power source and a plurality of secondary windings that are magnetically coupled to the first and second primary windings. The plurality of secondary windings are interlaced along a length of each of the secondary windings. Each of the plurality of secondary transformer windings is coupled to a capacitor, and the capacitors are all connected in a series configuration. The low power circuit is coupled to the power source and issues a control signal to control the delivery of charge from the power source to the plurality of capacitors through the first and second transformers.Type: GrantFiled: April 24, 2015Date of Patent: February 28, 2017Assignee: Medtronic, Inc.Inventors: John T Meador, Randolph E Crutchfield, Mark R Boone, Lonny V Cabelka
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Patent number: 9579161Abstract: A system for tracking a patient is provided. The system can include a first reference frame coupled to a first portion of an anatomical structure. The system can include a second reference frame, which can be coupled to a second portion of the anatomical structure. The system can also include a first tracking device coupled to the first reference frame and a second tracking device coupled to the second reference frame. The system can also include a tracking system that can track a position of the first tracking device and the second tracking device to ensure that the position of the first reference frame relative to the anatomical structure is substantially the same throughout a surgical procedure.Type: GrantFiled: May 6, 2008Date of Patent: February 28, 2017Assignee: Medtronic Navigation, Inc.Inventors: Steven L. Hartmann, Laurent Verard, James Kelley, Kenneth Gardeski, Kevin Thomas Wu, Michael Neidert
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Patent number: 9579020Abstract: An adherent device comprises an adhesive patch with at least two electrodes and an accelerometer. The accelerometer can be used to determine an orientation of the at least two measurement electrodes on a patient. By determining the orientation of the electrodes of the patch on the patient, physiologic measurements with the at least two electrodes can be adjusted and/or corrected in response to the orientation of the patch on the patient. The adherent patch and/or electrodes can be replaced with a second adherent patch and/or electrodes, and the orientation of the second adherent patch and/or electrodes can be determined with the accelerometer or a second accelerometer. The determined orientation of the second patch and/or electrodes on the patient can be used to correct measurements made with the second adherent patch and/or electrodes.Type: GrantFiled: May 24, 2013Date of Patent: February 28, 2017Assignee: Medtronic Monitoring, Inc.Inventors: Imad Libbus, Yatheendhar D. Manicka, Rich Fogoros
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Patent number: 9579511Abstract: A medical device includes a printed circuit board, a connector mounted on the printed circuit board, and a polymeric body molded over the connector and the printed circuit board. The connector is configured to receive a medical lead and electrically and mechanically couple the lead to the printed circuit board. The connector comprises a housing and feedthrough assembly that includes a polymeric housing and a conductor. The housing defines a bore configured to receive the lead and defines a feedthrough opening through which the conductor extends. The housing and feedthrough assembly is sealed except for an aperture in communication with the bore. The connector further includes a contact disposed in the bore. The conductor electrically couples the contact with the printed circuit board. When a lead is properly received by the bore, the contact couples the lead to the printed circuit board via the conductor.Type: GrantFiled: December 15, 2014Date of Patent: February 28, 2017Assignee: Medtronic, Inc.Inventors: Mark E. Henschel, Songhua Shi
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Patent number: 9579197Abstract: A valve retainer is connected to an elongate delivery member. The valve retainer is configured to releasably secure a prosthesis (e.g., a heart valve prosthesis) to the delivery member during delivery to a target site in a body (e.g., a native valve annulus). The valve retainer includes a rotational identifier that identifies the rotational orientation of the valve retainer when the valve retainer is positioned proximate to the target site. A heart valve prosthesis can include a commissural post that has a predetermined rotational position relative to the rotational identifier, such that the heart valve prosthesis can be rotationally aligned with the native commissures of the native valve by rotating the delivery member and the valve retainer until the commissural post is aligned with a native valve commissure and the rotational identifier is visible.Type: GrantFiled: December 14, 2011Date of Patent: February 28, 2017Assignee: Medtronic Vascular, Inc.Inventors: Niall Duffy, Gerry McCaffrey, Noam Miller, Yossi Tuval, Daniel Glozman
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Patent number: 9579037Abstract: A nerve monitoring system facilitates monitoring an integrity of a nerve.Type: GrantFiled: July 20, 2015Date of Patent: February 28, 2017Assignee: Medtronic Xomed, Inc.Inventors: William C. Brunnett, David C. Hacker, John A. Meyer, Kevin Lee McFarlin, John Murdock Murphy, Dwayne S. Yamasaki, John N. Gardi
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Patent number: 9581519Abstract: A method for introducing an analyte gas into a cavity of an implantable medical device includes analyzing gas that exits the cavity through an outlet in communication with the cavity and introducing an analyte gas into the cavity via an inlet in communication with the cavity until the composition of the gas exiting the cavity comprises a predetermined percent or amount of the analyte gas. The inlet and outlet may be sealed, and the device may be leak tested.Type: GrantFiled: March 1, 2013Date of Patent: February 28, 2017Assignee: Medtronic, Inc.Inventor: Chris J. Paidosh
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Patent number: 9579452Abstract: A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. A base is provided which is adapted to receive a reservoir. The base has a base engagement member, such as a detent, projecting therefrom. A cap is provided which is adapted to receive the base. The cap includes a first cap engagement member, such as a detent opening, which is adapted to removably engage the base detent. The cap further includes a second cap detent opening which is adapted to removably engage the base detent. A piercing member, such as a needle, is disposed in the interior of the cap in such a manner that the needle is separated from the reservoir septum when the base detent is in the first cap detent opening, and the needle pierces the reservoir septum when the base detent is in the second cap detent opening.Type: GrantFiled: September 17, 2014Date of Patent: February 28, 2017Assignee: Medtronic MiniMed, Inc.Inventors: Randy W. Adair, Sheldon B. Moberg, Chalirmkiert Srisathapat
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Patent number: D780494Type: GrantFiled: May 8, 2014Date of Patent: March 7, 2017Assignee: Medtronic Vascular, Inc.Inventors: Linda Husseini, Devin Dutcher-Cowell, Robert T. Fletcher, Nicole Eden Sanom, Julie D. Smith, Anthony C. Woodward