Patents Assigned to Medtronic
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Patent number: 9339630Abstract: A system for treating a vascular condition includes a catheter having an inner member and an outer member, the outer member concentrically arranged about the inner member and a retractable drug delivery device disposed at a distal end of the inner member. A coating disposed on at least a portion of an outer surface of the retractable drug delivery device includes at least one therapeutic agent.Type: GrantFiled: February 19, 2009Date of Patent: May 17, 2016Assignee: Medtronic Vascular, Inc.Inventors: Brian Cook, James Mitchell, Natividad Vasquez, Gianfranco Pellegrini
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Patent number: 9344024Abstract: Apparatus are provided for motor control systems and related medical devices. In one embodiment, a control system includes a motor having a rotor, a modulation module coupled to the motor, and a control module coupled to the modulation module. The modulation module generates a modulated voltage that is applied to the motor and rotates the rotor to deliver fluid via a fluid path. The control module adjusts a duty cycle of the modulated voltage to achieve a commanded rotation of the rotor and detects an occlusion condition in the fluid path based on the duty cycle.Type: GrantFiled: November 1, 2013Date of Patent: May 17, 2016Assignee: Medtronic MiniMed, Inc.Inventor: Jacques L. Favreau
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Patent number: 9339639Abstract: Disclosed herein is a fluid infusion device of the type that delivers medication fluid to the body of a patient. The device includes or cooperates with a fluid reservoir, and the device has a sealing assembly to receive and form a fluid seal with the fluid reservoir. A retractable sealing element surrounding a hollow fluid delivery needle may be used to seal a port of the fluid reservoir. The port may include a pressure vent that is sealed by the retractable sealing element. In one variation, the reservoir includes a moving valve sleeve that holds a septum. The septum moves to allow the reservoir to vent, and to form a seal with the port when the needle pierces the septum. In another variation, the device includes a needleless sealing assembly. In yet other variations, the device uses a needled fluid reservoir.Type: GrantFiled: February 17, 2012Date of Patent: May 17, 2016Assignee: Medtronic MiniMed, Inc.Inventors: Edgardo C. Halili, Eric M. Lorenzen, Matthew William Yavorsky
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Patent number: 9339398Abstract: A stent includes a nickel-based alloy that includes 10-35 weight % metal member selected from the group consisting of platinum (Pt), gold (Au), iridium (Ir), osmium (Os), rhenium (Re), palladium (Pd), tantalum (Ta), and combinations thereof; 0-6 weight % cobalt (Co); 17-24 weight % chromium (Cr); 13-15 weight % tungsten (W); 0-3 weight % molybdenum (Mo); 0-5 weight % iron (Fe); and balance nickel (Ni). The nickel-based alloy may be a thin outer shell of a hollow stent. The nickel-based alloy may be used to form at least one of an inner core and an outer shell of a core-shell structure of a stent.Type: GrantFiled: February 20, 2013Date of Patent: May 17, 2016Assignee: Medtronic Vascular, Inc.Inventor: Dustin Thompson
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Patent number: 9339197Abstract: In one example, this disclosure is directed to a kit for intravascular implantation of an implantable medical device within a patient, the kit comprising an elongated outer sheath forming an inner lumen with a distal opening, the outer sheath sized to traverse a vasculature of the patient, and an elongated inner sheath with an inflatable member at its distal portion. The inflatable member is inflatable from a proximal end of the inner sheath to close-off the distal opening of the outer sheath when inflated. The inner sheath further includes a stopper proximally located relative to the inflatable member. The inflatable member is remotely controllable from a proximal end of the inner sheath to retract in a proximal direction towards the stopper. The inflatable member can be retracted in a proximal direction towards the stopper and past an implantable medical device positioned within a distal portion of the outer sheath.Type: GrantFiled: May 29, 2012Date of Patent: May 17, 2016Assignee: Medtronic, Inc.Inventors: Erik C. Griswold, Rudolph A. Beasley, James Calvin Allan, Suruchi Anand, Martha A. Barajas-Torres, Matthew S. Poole, Arvind K. Srinivas, Steven L. Waldhauser, William Berthiaume
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Patent number: 9339657Abstract: Techniques are described for selectively enabling and disabling a pre-stimulation passive recharge pacing mode for an implantable medical device (IMD) depending on whether the IMD is operating in an electromagnetic interference (EMI)-safe mode. In some examples, the IMD may enable the pre-stimulation passive recharge pacing mode when the IMD is operating in the EMI-safe mode, and disable the pre-stimulation passive recharge pacing mode when the IMD is not operating in the EMI-safe mode. The EMI-safe mode may be, in some examples, a magnetic resonance imaging (MRI)-safe mode.Type: GrantFiled: May 5, 2011Date of Patent: May 17, 2016Assignee: Medtronic, Inc.Inventors: Christopher C. Stancer, James J. St. Martin, Tara L. Bratten, Michael Hudziak
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Patent number: 9332928Abstract: An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data.Type: GrantFiled: April 14, 2009Date of Patent: May 10, 2016Assignee: Medtronic, Inc.Inventors: H. Toby Markowitz, Mustafa Karamanoglu, Pooja Mehta, Ioana Fleming, David A. Scanlon, Michael Kryger, Sean Campbell-Massa, Chad Giese, Steven L. Waldhauser, Shangqian Peter Zhang, Jeff Jannicke, Phillip Falkner, Don Hefner, Eduardo N. Warman, James Steeves, Rogier Receveur, Koen Michels, Olaf Eick, Vincent Larik
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Patent number: 9333353Abstract: The disclosure is directed to a deep brain stimulation (DBS) lead having a distal end for providing therapeutic electrical stimulation to tissue in a stimulation target area of a patient's brain, comprising an array of one or more stimulation elements and sensing elements located at the distal end of the lead. After the first implantation of the lead into the brain along a trajectory that is pre-determined by non-surgical procedures, the array of stimulation and sensing elements is capable of facilitating the location of the target area and the determination for each of the stimulation elements of the required stimulation parameters needed to provide the therapeutic stimulation to the brain tissue in the stimulation target area, without requiring any additional implantations of the lead after the first implantation.Type: GrantFiled: June 9, 2014Date of Patent: May 10, 2016Assignee: Medtronic Bakken Research Center B.V.Inventors: Michel Marcel Jose Decre, Hubert Cecile Francois Martens
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Patent number: 9333365Abstract: This disclosure describes antenna structures for use in an implantable medical device. The implantable medical device may include a housing that hermetically encloses electronic components of the implantable medical device and a fixation mechanism that affixes the implantable medical device to a target location, such as a wall of a vessel. The fixation mechanism functions as a radiating element of an antenna of the implantable medical device. The housing of the implantable medical device may include a conductive loop that electrically couples to a telemetry module and magnetically couples to the fixation mechanism. The telemetry module may provide signals to be transmitted to the inner loop and those signals are magnetically coupled between the inner loop and the fixation mechanism, which radiates the signals.Type: GrantFiled: July 30, 2010Date of Patent: May 10, 2016Assignee: Medtronic, Inc.Inventor: Yanzhu Zhao
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Patent number: 9333077Abstract: Devices and methods for preparing a transcatheter heart valve system. The device includes a housing, sealing apparatuses and a port. The housing forms a chamber sized to receive a prosthetic valve and a portion of a delivery device. During use, the prosthesis is seated in the chamber, and the sealing apparatuses operated to seal the chamber about the delivery device. Air bubbles in a liquid delivered through the delivery device and to the chamber are removed from the system via the port, thereby flushing the system. Further, the device is manipulated to permit loading of the prosthesis into the delivery device in an air bubble-free environment.Type: GrantFiled: March 12, 2013Date of Patent: May 10, 2016Assignee: Medtronic Vascular Galway LimitedInventor: Stephen Peter
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Patent number: 9333292Abstract: A fluid infusion device, for delivery of a medication fluid to the body of a user, includes a housing, a fluid reservoir for the medication fluid, a dosing mechanism, an infusion component, and a mechanical actuator. The fluid reservoir and the dosing mechanism are located in the housing, and the dosing mechanism is coupled to receive the medication fluid from the fluid reservoir. The dosing mechanism has an adjustable fluid chamber that defines a variable dosage volume. The infusion component is coupled to the dosing mechanism to receive the medication fluid from the adjustable fluid chamber. The mechanical actuator is coupled to the dosing mechanism such that operation of the mechanical actuator causes the medication fluid to be expelled from the adjustable fluid chamber to the infusion component.Type: GrantFiled: June 26, 2012Date of Patent: May 10, 2016Assignee: Medtronic MiniMed, Inc.Inventor: Colin A. Chong
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Patent number: 9333220Abstract: Bodily tissue and structures may be protected using a fluid layer containing a mixture of chitosan and oxidized polysaccharide. The mixture forms a protective gel layer via in situ crosslinking. Compared to crosslinking using a low molecular weight aldehyde such as glutaraldehyde or genipin, oxidized polysaccharides appear to provide faster gelation while avoiding the use of potentially less bioacceptable low molecular weight aldehydes.Type: GrantFiled: November 13, 2013Date of Patent: May 10, 2016Assignee: Medtronic, Inc.Inventors: Edze Jan Tijsma, Maria Nieves Gonzalez, Erica M. TenBroek, Nancy Schaffhausen
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Patent number: 9333341Abstract: An implantable lead for placement by means of a guide wire passing therethrough. The lead has an elongated insulative lead body with an axially extending lumen through at least a distal portion of the lead body. A conductor is mounted within and extends to an electrode assembly mounted to a distal portion of the lead body. A seal housing with a seal located therein located at a distal end of the lead body. The seal is located generally perpendicular to the axis of the lead body and is concave on both its proximal and distal sides. The housing is provided with a cavity adjacent each of the seal's proximal and distal sides, into which the seal may be deflected. The electrode assembly may be mounted to the seal housing.Type: GrantFiled: September 30, 2009Date of Patent: May 10, 2016Assignee: Medtronic, Inc.Inventors: John Louis Sommer, Jon D. Schell
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Patent number: 9332996Abstract: Devices are described relating to the retaining of surgical tools within the chuck of a reciprocating surgical instrument, such as a reciprocating saw. A securing chuck is disclosed for securing a surgical tool to a reciprocating surgical instrument that comprises a shaft and a securing member. The shaft defines an axis and has a cylindrical bore extending along the axis. The bore is shaped to receive a substantially rounded tool shank. A pair of transverse slots extends into the shaft along a plane passing through the axis for receiving a substantially flattened tool shank. The transverse slots intersect with the cylindrical bore. The securing member is carried by the shaft and is radially movable relative to the bore both inwardly and outwardly to secure the surgical tool in the chuck.Type: GrantFiled: June 14, 2013Date of Patent: May 10, 2016Assignee: Medtronic Xomed, Inc.Inventor: Larry D. Estes
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Patent number: 9333100Abstract: A stented valve including a stent structure including a generally tubular body portion having a first end, a second end, an interior area, a longitudinal axis, and a plurality of vertical wires extending generally parallel to the longitudinal axis around a periphery of the body portion, wherein the plurality of vertical wires includes multiple commissure wires and at least one structural wire positioned between adjacent commissure wires, and a plurality of V-shaped wire structures having a first end, a second end, and a peak between the first and second ends, wherein a first end of each V-shaped structure extends from a first vertical wire and a second end of each V-shaped structure extends from a second vertical wire that is adjacent to the first vertical wire, wherein each V-shaped structure is oriented so that its peak is facing in the same direction relative to the first and second ends of the body portion, and a valve structure including a plurality of leaflets attached to the stent structure within theType: GrantFiled: November 22, 2013Date of Patent: May 10, 2016Assignee: Medtronic, Inc.Inventors: Carol E. Eberhardt, Charles Tabor, Carolyn Majkrzak, Timothy R. Ryan, Melissa Young, Maria Awad, Janice L. Shay
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Patent number: 9333350Abstract: A therapy system for managing a psychiatric disorder of the patient may be controlled based on a patient mood state. Therapy may be delivered to a patient according to a therapy program, and a physiological parameter of the patient may be monitored during or after therapy delivery. The patient mood state may be determined based on the monitored physiological parameter, and the therapy delivery may be controlled based on the determined mood state. In some embodiments, the therapy delivery is stopped prior to determining the patient mood state and the therapy delivery is restarted upon detecting a negative mood state. In other embodiments, therapy delivery is delivered until a positive mood state is detected, at which point the therapy delivery may be stopped.Type: GrantFiled: April 17, 2009Date of Patent: May 10, 2016Assignee: Medtronic, Inc.Inventors: Mark T. Rise, Jonathon E. Giftakis, Paul H. Stypulkowski, Timothy J. Denison, Nathan A. Torgerson
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Patent number: 9333023Abstract: A medical device, including an elongate body having a proximal portion and a distal portion; a shaft at least partially disposed within the elongate body; an expandable element at the distal portion of the elongate body; and a fluid delivery conduit defining a deflectable segment movably coupled to the shaft, the deflectable segment being transitionable from a substantially linear configuration to a substantially curvilinear configuration.Type: GrantFiled: November 21, 2014Date of Patent: May 10, 2016Assignee: Medtronic CryoCath LPInventor: Dan Wittenberger
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Patent number: 9333078Abstract: A heart valve assembly comprises a first prosthesis configured to expand from an unexpanded state to an expanded state at which the first annular prosthesis contacts native tissue of a body lumen. The heart valve assembly also comprises a second prosthesis comprising a valve, and a connection adapter that secures the second prosthesis to the first prosthesis, the connection adapter having a multi-lobed circumference.Type: GrantFiled: November 22, 2013Date of Patent: May 10, 2016Assignee: Medtronic, Inc.Inventors: Thomas J. Fogarty, Michael J. Drews, Neil Holmgren, D. Bruce Modesitt
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Patent number: 9327122Abstract: Methods and apparatus are provided for monopolar neuromodulation, e.g., via a pulsed electric field. Such monopolar neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. In some embodiments, monopolar neuromodulation is applied to neural fibers that contribute to renal function. In some embodiments, such monopolar neuromodulation is performed bilaterally.Type: GrantFiled: February 2, 2015Date of Patent: May 3, 2016Assignee: Medtronic Ardian Luxembourg S.a.r.l.Inventors: Denise Zarins, Hanson Gifford, III, Mark Deem, Howard R. Levin, Mark Gelfand, Nicolas Zadno
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Patent number: D755799Type: GrantFiled: January 15, 2014Date of Patent: May 10, 2016Assignee: Medtronic, Inc.Inventors: Kirk W. Finnis, Steven M. Goetz, Deborah A. McConnell