Patents Examined by Phong Son H Dang
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Patent number: 11864989Abstract: A system comprising first, second, and third shape memory polymers (SMPs); wherein (a) the first SMP is a biodegradable open cell foam that includes a first channel; (b) the second SMP includes a second channel and is included in the first channel; (c) the foam is in a first state and is configured to expand to a second state, radially outward from the second foam, in response to thermal stimulus; (d) the third SMP is between the first and second SMPs and includes a stent having a first strut that includes the third SMP and a second strut that includes the third SMP; and (e) each of the first, second, and third SMPs is coupled to a wire.Type: GrantFiled: October 14, 2020Date of Patent: January 9, 2024Assignees: Lawrence Livermore National Security, LLC, The Regents of the University of CaliforniaInventors: Thomas S. Wilson, Duncan J. Maitland, Ward Small, IV, Patrick R. Buckley, William J. Benett, Jonathan Hartman, David Saloner
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Patent number: 11865000Abstract: Distal tips for use with delivery catheters are disclosed that are configured to facilitate deflection of the catheters as they are advanced through the vasculature to a desired treatment site. Distal tips so configured realize one or more of the objectives of safer, more accurate steering of the catheter through the vasculature.Type: GrantFiled: October 8, 2021Date of Patent: January 9, 2024Assignee: Medtronic Vascular, Inc.Inventor: Niall Duffy
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Patent number: 11857403Abstract: A segmented skirted surgical mesh for use in reconstructing a soft tissue defect, the segmented skirted surgical mesh comprising: a base layer of surgical mesh, the base layer of surgical mesh comprising an outer edge; and a segmented continuous skirt of surgical mesh comprising an outer edge and an inner edge which defines a central opening, the segmented continuous skirt of surgical mesh being secured to the base layer of surgical mesh at the outer edge of the continuous skirt of surgical mesh, and the segmented continuous skirt of surgical mesh comprising a plurality of slits formed in the segmented continuous skirt of surgical mesh, wherein the plurality of slits extend outwardly from the inner edge of the segmented continuous skirt of surgical mesh, whereby to form a plurality of flaps of surgical mesh in the segmented continuous skirt of surgical mesh, such that at least one of the flaps of surgical mesh can be lifted away from the base layer of surgical mesh and secured to soft tissue without causinType: GrantFiled: December 21, 2021Date of Patent: January 2, 2024Inventors: John W. Huelskamp, Eric Nelson, Eric Bouillet, William Wiecek
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Patent number: 11850137Abstract: An intra-aortic device comprising a filter and a frame defining the shape of the filter, wherein the frame is intrinsically curved in a superior direction by a proximal superior bend and/or a distal superior bend, whereupon installation in an aorta, the M frame flattens.Type: GrantFiled: February 25, 2022Date of Patent: December 26, 2023Assignee: Keystone Heart Ltd.Inventor: Amit Ashkenazi
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Patent number: 11844527Abstract: An endovascular surgical tool may include a flexible, electrically-conductive delivery tube, a return conductor, a resistive heating element attached to the distal end of the delivery tube, and a therapeutic payload attached to a loop of the resistive heating element by a coil connecting member. The delivery tube may include at least one segment at its distal end which includes a plurality of transverse slots. Each slot of the plurality of slots includes an origin on the perimeter of the delivery tube, a terminus closer to a central axis of the delivery tube than the origin, and a depth between the origin and terminus. The origins of at least two slots of the plurality of slots may be located at different angular positions relative to the central axis. The return conductor may be electrically insulated from and positioned within the delivery tube.Type: GrantFiled: June 15, 2021Date of Patent: December 19, 2023Assignee: DEPUY SYNTHES PRODUCTS, INC.Inventors: Juan Lorenzo, Robert Echarri
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Patent number: 11832812Abstract: A system for making a surgical suture having a reformed tip includes a receiver die having a top surface, a bottom surface, and an elongated channel formed in the top surface that extends between first and second ends of said receiver die. The elongated channel includes a suture channel having a first end and a second end, a first sloping surface that extends downwardly between the first end of the suture channel and the first end of the receiver die, and a second sloping surface that extends downwardly between the second end of the suture channel and the second end of the receiver die. The system includes an upper die having a top surface and a bottom surface that opposes the top surface of the receiver die. The system has an open die position in which the bottom surface of the upper die is spaced away from the top surface of the receiver die and a closed die position in which the bottom surface of the upper die is in contact with the top surface of the receiver die.Type: GrantFiled: December 15, 2021Date of Patent: December 5, 2023Assignee: Ethicon, Inc.Inventor: Robert A. Rousseau
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Patent number: 11832841Abstract: Methods and devices for using surgical devices with articulating end effectors are provided. Surgical devices with articulating end effectors can provide rotary driven pivoting of the end effector. In some embodiments, the device can include a handle, a first and a second tube extending from the handle, the second tube disposed within the first tube, and an end effector that includes a pair of distal jaws configured to move in response to rotation of the first tube about a longitudinal axis thereof and rotation of the second tube about a longitudinal axis thereof. The jaws can move in two different ways depending on whether the first and second tubes are rotating in a same direction as one another or in different ways than each other. The jaws can open/close and articulate using the same mechanical mechanism. The device can be powered, or the device can be non-powered.Type: GrantFiled: July 7, 2021Date of Patent: December 5, 2023Assignee: Cilag GmbH InternationalInventors: Frederick E. Shelton, IV, Chester O. Baxter, III, Charles J. Scheib, Gregory W. Johnson, John R. Dugan
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Patent number: 11832806Abstract: Suture buttons are disclosed for fixing two bones together. The suture buttons may enable surgeons to more easily and effectively implement a suture button technique, such as to repair syndesmosis injuries in ankles. A first suture button includes a pulley peg extending from a button head. The pulley peg may be positioned with a bone hole upon installation of the first suture button, which may help protect suture and help reduce potential patient discomfort. The second suture button helps facilitate the second suture button flipping into place upon deployment from a button inserter. Each of the first and second provided suture buttons may help reduce friction between the respective buttons and suture during an installation procedure. The first and second provided suture buttons may be used together in a surgical procedure or individually with other suitable buttons or anchors.Type: GrantFiled: September 10, 2020Date of Patent: December 5, 2023Assignee: Acumed LLCInventors: Joshua P. Federspiel, Gretchen Hinton, Steven Morgan, Selene Parekh, Alastair Younger, Steve Crawford
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Patent number: 11826254Abstract: An apparatus for deploying a tissue anchor is disclosed. The apparatus includes a catheter tube having a proximal end and a distal end defining the catheter's length, where the distal end has an anchor housing configured to hold a tissue anchor before deployment; and a pusher wire positioned within the catheter tube and extending through the length of the catheter tube. The apparatus is configured to provide a pushing force on the pusher wire from the proximal end of the catheter tube, thus displacing the pusher wire in a distal direction to the pusher wire's fully extended anchor deployment position which in turn deploys the tissue anchor from the anchor housing in the distal direction by pushing the tissue anchor in the distal direction.Type: GrantFiled: October 15, 2020Date of Patent: November 28, 2023Assignee: MICRO INTERVENTIONAL DEVICES, INC.Inventors: Michael P. Whitman, Peter Datcuk
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Patent number: 11812949Abstract: A tissue fixation system including a delivery tube and an elongated fastener with a loop at a proximal end and a distal end. A proximal end of an elongated curved needle is attached to the delivery tube. A distal end of the needle is configured to penetrate tissue. The needle includes an open channel sized to receive the elongated fastener with the loop located near the proximal end of the elongated curved needle and the distal end of the elongated fastener located near the distal end of the elongated curved needle. A capture needle is slidably positioned in the delivery tube to slide through the loop in the proximal end of the elongated fastener. The capture needle is configured to grasp the distal end of the elongated fastener and pull the distal end of the elongated fastener through the loop to cinch the elongated fastener.Type: GrantFiled: November 16, 2020Date of Patent: November 14, 2023Assignee: Tissue Solutions, LLCInventors: Paul V. Fenton, J. Christopher Flaherty, Anshuman Shrivastava
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Patent number: 11812941Abstract: A knotless tissue repair assembly for attachment of tissue to bone includes an anchoring implant with a length of suture threaded therethrough. The implant is preferably a soft flexible three-dimensional structure. The implant may be actuated from a first elongate low profile shape into a second short radially expanded shape having a larger diameter than the hole through which it was placed. The suture extends through the anchor, through a tissue to be secured, and back through a designated suture-binding region or passageway within the anchor enabling the suture to be secured therein and without the need for a physician to tie a knot. Further tension applied to a suture leg approximates the tissue to the anchor until a desired tension or distance between the tissue and anchor is achieved.Type: GrantFiled: March 9, 2021Date of Patent: November 14, 2023Assignee: ArthroCare CorporationInventors: Christopher Michael Rodriguez, Tri Nguyen
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Patent number: 11812967Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, is directed toward an occlusive device comprising a coil having a proximal end, a distal end, and a longitudinal axis extending therebetween. The coil may be formed of an elongated member wound about the longitudinal axis of the coil in a series of contiguous loops, wherein each of the loops extend around the longitudinal axis between a first end and a second end. The second end may be disposed at generally the same angular position as the first end about to the longitudinal axis of the coil. The elongated member may undulate along its longitudinal axis between the first and second ends of at least some of the individual loops.Type: GrantFiled: December 16, 2020Date of Patent: November 14, 2023Assignee: COVIDIEN LPInventors: Christopher Andrews, Etelvina Rivas, Hieu Dang
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Patent number: 11801044Abstract: A tissue fixation system is provided for dynamic and rigid fixation of tissue. A fastener connected with an elongate fastening member, such as a cable, wire, suture, rod, or tube, is moved through a passage between opposite sides of tissue. A medical device is used to secure the fastener to the elongate fastening member. The medical device includes a tensioning mechanism for tensioning the elongate fastening member. As crimping mechanism is used to secure the fastener to the elongated member, where a cutting mechanism cut the excess portion of the elongated member.Type: GrantFiled: December 30, 2019Date of Patent: October 31, 2023Assignee: P TECH, LLCInventors: Peter M. Bonutti, Hank Bonutti, Kevin Ruholl, Glen A. Phillips
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Patent number: 11801072Abstract: A needle having a first end, a second end, and a lumen extending within an interior of the needle, between the first end and the second end. A sleeve is engageable within an interior diameter or interior surface of the lumen. The sleeve includes a first end and a second end that are sized to reside within the first end of the lumen and the second end of the lumen, respectively. Ports extend between the first end and the second end of the sleeve. The ports have an inlet and an outlet sized to receive and route stimulator wires to areas within the epidural space of a spine.Type: GrantFiled: October 26, 2021Date of Patent: October 31, 2023Inventor: Jessica Jameson
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Patent number: 11801133Abstract: Docking devices for docking a prosthetic valve at a native valve of a heart can include a coiled docking anchor and a retrieval suture. The docking device and retrieval suture can be configured for improved retention and retrieval of the docking device after deployment. The docking devices can have an end portion with a central axis. The retrieval suture can be connected to the end portion such that a line of force applied by applying tension to the retrieval suture is substantially aligned with the central axis.Type: GrantFiled: July 20, 2020Date of Patent: October 31, 2023Assignee: EDWARDS LIFESCIENCES CORPORATIONInventors: Darshin S. Patel, Boaz Manash, Khen Perlmutter, Eyal Leiba, Yoav Rozen, Dinesh L. Sirimanne, Tri D. Tran, Jocelyn Chau, Noa Axelrod Manela, Zohar Kiblitski
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Patent number: 11793508Abstract: A medical device for approximating and securing tissue without requiring knots includes a lock-head, a strap section, distal protuberance, and a leader section. The device also includes a transition section between the leader and the strap section and a stiffening section proximal to the protuberance. The leader section is used to draw the strap section into the body through small apertures in tissue and the transition section provides a gradual transition in stiffness and size between the leader and the strap section.Type: GrantFiled: September 28, 2020Date of Patent: October 24, 2023Assignee: TAS Medical, Inc.Inventors: Thomas A. Kramer, Albert K. Chin, Gannon Borchers, Peter Bugos, Andrew Kwok, Steven Ledbetter
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Patent number: 11793523Abstract: Devices, systems, and methods for treating vascular defects are disclosed herein. One aspect of the present technology, for example, is directed toward an occlusive device having a distal end, a proximal end, and a longitudinal axis extending therebetween. The occlusive device may comprise an elongated member wound about the longitudinal axis to form a series of loops, wherein along at least some of the loops, the elongated member includes a first peak and a second peak axially offset from the first peak, the first peak being axially between the second peak and the proximal end. The first peak may be convex towards the distal end, and the second peak may be convex towards the proximal end.Type: GrantFiled: December 16, 2020Date of Patent: October 24, 2023Assignee: COVIDIEN LPInventors: Christopher Andrews, Etelvina Rivas, Hieu Dang
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Patent number: 11786364Abstract: A delivery apparatus for a medical device implant can include an outer catheter and a flexible delivery catheter. The outer catheter can have an axially extending shaft and a first lumen extending co-axially through the axially extending shaft. The flexible delivery catheter can have an elongate shaft having a flexible section extending along a distal portion of the elongate shaft, and the flexible section of the elongate shaft can be positioned or adjusted between a first, delivery configuration and a second, activated configuration. The delivery catheter can have a pull wire extending co-axially through a second lumen axially extending through the elongate shaft. A distal end of the pull wire can be fixedly secured or attached to the distal end of the elongate shaft.Type: GrantFiled: August 25, 2020Date of Patent: October 17, 2023Assignee: EDWARDS LIFESCIENCES CORPORATIONInventors: David Maimon, Hernan Altman
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Patent number: 11779339Abstract: Devices, tools, systems, kits and methods for closing a tissue opening non-invasively are presented. The devices include a tissue closure device that reliably induces eversion of tissue edges that define a tissue opening.Type: GrantFiled: April 22, 2020Date of Patent: October 10, 2023Assignee: DermaClip US, LLCInventor: Charles M. Darling, IV
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Patent number: 11779342Abstract: A surgical device, or a portion of a surgical device, that places purse string sutures in tissue within a body (e.g., intra-peritoneal space). The surgical device includes, or an end effector for a surgical device includes, a jaw assembly, staple cartridges, and a suture.Type: GrantFiled: December 10, 2020Date of Patent: October 10, 2023Assignee: Covidien LPInventors: Avvln Srinivasa Murthy Aravalli, Rajanikanth Mandula