Patents Assigned to DePuy Mitek, LLC
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Patent number: 9265602Abstract: Various methods and devices are provided for a graft fixation device for fixing a graft member within a bone tunnel. In one embodiment, a graft fixation device is provided having a radially expandable sheath adapted to be disposed within a bone tunnel, and a sheath expander adapted to be received within the radially expandable sheath to expand the sheath and thereby anchor a graft between the sheath and the bone tunnel. In an exemplary embodiment, the graft fixation device is particularly useful to affix a graft within a femoral tunnel.Type: GrantFiled: May 2, 2014Date of Patent: February 23, 2016Assignee: DePuy Mitek, LLCInventors: Charles Beck, Jr., Jose E. Lizardi
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Patent number: 9265496Abstract: A suture anchor comprises a tubular body having an axial bore therethrough and having one or more purchase enhancements on an exterior surface of the body adapted to enhance purchase of the body within a bone hole, such as threads. A lateral port passes through the body from the bore to the exterior surface. A length of suture for attaching soft tissue to bone passes down along the exterior surface over the one or more purchase enhancements, over a distal end of the body, up into the bore through and then back out of the bore and up along the exterior surface over the one or more purchase enhancements.Type: GrantFiled: March 5, 2013Date of Patent: February 23, 2016Assignee: DePuy Mitek, LLCInventors: Erik Sebastian Sojka, Arthur G. Stephen, Andre Francisco-Guilherme, Mark W. Wolfson, Brian Henri Otrando, Daniel Paul Gamache, Justin M. Piccirillo
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Patent number: 9265519Abstract: A tunnel notcher and guidewire delivery device is provided for creating a notch and positioning a guidewire within a bone tunnel. In general, the device includes an elongate member having proximal and distal ends with an inner lumen extending therebetween that is adapted to receive a guidewire. The device also includes a cutting element disposed on a distal portion of the elongate member that is adapted to remove bone within an opening of a bone tunnel. In use, the device 10 can be at least partially positioned within a bone tunnel containing a bone plug, and it can be manipulated to form a notch within or adjacent to an opening of the bone tunnel using the cutting element 18. The device 10 is also effective to deliver a guidewire 16 to the bone tunnel at a location adjacent to the notch.Type: GrantFiled: October 27, 2011Date of Patent: February 23, 2016Assignee: DePuy Mitek, LLCInventors: Richard F. Wenstrom, Jr., Robert K. Breech, II
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Patent number: 9241785Abstract: Methods and devices are provided for fixing a ligament graft in a bone tunnel. In general, the methods and devices involve affixing a ligament graft within a bone tunnel using an adhesive. A fixation device can be inserted through the ligament graft in a direction transverse to an axis of the tunnel to maintain the ligament graft in contact with the adhesive. The fixation device can be removed when the adhesive is cured such that the ligament graft is fixed in the tunnel.Type: GrantFiled: March 10, 2015Date of Patent: January 26, 2016Assignee: DePuy Mitek, LLCInventor: Gregory R. Whittaker
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Patent number: 9237894Abstract: Methods and devices are provided for forming holes in bone to stimulate bone growth. In one exemplary embodiment, a surgical instrument set can include a driver having a first mating element, and a bone pick have a second mating element configured to releasably mate with the first mating element at any of a plurality of angular orientations. When releasably mated together, the driver and the bone pick can be configured to be adjustably positioned relative to one another with three degrees of freedom, e.g., pitch, yaw, and roll. The bone pick can include a piercing tip configured to form a hole in a bone, such as in microfracture. When the driver and the bone pick are releasably mated together, the driver can be configured to be struck, impacted, or otherwise manipulated to drive the piercing tip into the bone.Type: GrantFiled: January 31, 2013Date of Patent: January 19, 2016Assignee: DePuy Mitek, LLCInventors: Joseph Hernandez, David B. Spenciner, Bethany F. Grant, Dina Belloli, John R. Cournoyer, Scott Woodruff, Jonathan Correia
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Patent number: 9226759Abstract: Low profile reamers and methods of use are provided which can, in general, allow a hole to be drilled in bone. In one embodiment, a low profile retractable bone reamer is provided having an elongate shaft with a cutting element disposed on a distal end of the elongate shaft that can be configured to drill a hole in bone. The elongate shaft and cutting element can have first and second longitudinally separated portions that are movably coupled to each other. The reamer can be configured to move between a retracted configuration, in which a the reamer has a reduced, low profile configuration, and a non-retracted configuration, in which both longitudinally separated portions of the cutting element can be positioned adjacent to one another to form a single cutting element.Type: GrantFiled: March 5, 2015Date of Patent: January 5, 2016Assignee: DePuy Mitek, LLCInventors: Gregory R. Whittaker, Mehmet Z. Sengun, Kristian Dimatteo
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Patent number: 9226816Abstract: A method of replacing an ACL with a graft. The method provides for the drilling bone tunnels in a femur and a tibia. A replacement graft is provided having first and second ends. A biodegradable composite screw is provided. The screw is made from a biodegradable polymer and a bioceramic or a bioglass. At least one end of the graft is secured in a bone tunnel using the biodegradable composite screw.Type: GrantFiled: September 12, 2014Date of Patent: January 5, 2016Assignee: DePuy Mitek, LLCInventors: Lisa M. Donnelly, Yufu Li, Joan M. Sullivan, Gregory R. Whittaker, J. Jenny Yuan
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Patent number: 9211362Abstract: A connective tissue scaffold including opposed first and second anchoring segments formed from a plurality of bioresorbable polymeric fibers oriented in a direction substantially parallel to a longitudinal axis of the scaffold and a plurality of bioresorbable polymeric fibers oriented in a direction substantially transverse to a longitudinal axis of the scaffold. A central segment joins the first and second anchoring segments and includes a plurality of bioresorbable polymeric fibers oriented in a direction substantially parallel to the longitudinal axis of the scaffold. The scaffold can also a tissue particle and/or biological component.Type: GrantFiled: June 8, 2012Date of Patent: December 15, 2015Assignee: DePuy Mitek, LLCInventors: Julia Hwang, Joseph Hammer, Herb Schwartz, Prasanna Malaviya
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Patent number: 9192369Abstract: A surgical anchor comprises a plurality of plates configured into a stack with successive plates within the stack being vertically arrayed with respect to the stack. The stack has an undeployed configuration, and a deployed configuration. In the deployed configuration one or more of the plates is positioned outwardly more laterally with respect to the stack than in the undeployed configuration so as to retain the anchor in a bone hole. A biasing member between the plates in the stack biases the one or more plates toward the deployed configuration. The biasing member can provide a torsional force to induce the plates to rotate and fan outwardly.Type: GrantFiled: March 30, 2012Date of Patent: November 24, 2015Assignee: DePuy Mitek, LLCInventor: Steven N. Bittenson
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Patent number: 9186163Abstract: Methods and devices are provided for forming bone tunnels. In general, the methods and devices allow multiple converging tunnels to be formed in bone, such as in an arthroscopic surgical procedure, e.g., a rotator cuff repair surgical procedure. One or more sutures can be advanced through the converging tunnels, and the suture(s) can be coupled to tissue. The suture(s) with the tissue coupled thereto can be tensioned, thereby helping to maximize an amount of the tissue in contact with the bone. In an exemplary embodiment, a guide device is provided that can be configured to allow a first tunnel to be formed in bone and to allow a plurality of additional tunnels to be formed in the bone at predetermined angular positions relative to the first tunnel such that each of the additional tunnels can extend transverse to the first tunnel and intersect the first tunnel.Type: GrantFiled: June 4, 2012Date of Patent: November 17, 2015Assignee: DePuy Mitek, LLCInventors: Benjamin Cleveland, Kristian DiMatteo, Erik S. Sojka, Christopher G. Weinert, Jose E. Lizardi
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Patent number: 9186166Abstract: Various arthroscopic shavers are provided that minimize contact between bodily fluid and the shaver hand piece. Arthroscopic shavers generally include a cutting assembly mated to a hand piece. In one embodiment, the shaver includes a hub that connects the cutting assembly with the hand piece and has an exit port configured to transport cut tissue and fluid from the device. In another embodiment, the shaver includes a hub configured to retrofit existing shaver hand pieces having interior lumens for removing cut tissue and fluid. The hub further includes an exit port that diverts fluid away from the hand piece.Type: GrantFiled: September 1, 2011Date of Patent: November 17, 2015Assignee: DePuy Mitek, LLCInventor: Robert C. Thistle
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Patent number: 9161747Abstract: Various methods and devices are provided for accessing an interior surgical site using an access portal which can be inserted and removed with minimal tissue damage and which can form a seal with tissue while inserted. Generally, a device is provided having a rigid elongate surgical access member with a lumen extending therethrough that is configured to receive a surgical tool. The device can also include a flexible sleeve having a lumen extending therethrough that is configured to receive the elongate surgical access member. A substantially rigid collar is provided disposed adjacent to a proximal end of the flexible sleeve and having a lumen extending therethrough that is configured to receive the elongate surgical access member.Type: GrantFiled: April 12, 2013Date of Patent: October 20, 2015Assignee: DePuy Mitek, LLCInventors: Gregory R. Whittaker, Gary McAlister, Jason Hamilton
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Patent number: 9161750Abstract: Assemblies, devices and methods are provided for suture management associated with surgical procedures for anchoring suture to bone. Suture elements mounted to suture anchors are terminated in suture loops or tags, and associated stop members that in combination with visual coding provide suture identification, prevent accidental unmounting of suture from suture anchors, and reduce the number of suture legs requiring active management during complex arthroscopic repairs. The present invention also provides exemplary drivers that can be used with the various methods and devices disclosed herein, or with other methods and devices known in the art.Type: GrantFiled: August 12, 2014Date of Patent: October 20, 2015Assignee: DePuy Mitek, LLCInventors: Christopher T. Zirps, Charles S. Brunner, Jeffrey S. Hovis, Chris Kilburn-Peterson
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Patent number: 9161832Abstract: A graft retention device has an elongated body with a first and second ends and a midpoint therebetween. A pair of elongated slots formed through the body defines a tang therebetween. A graft retention loop is disposed over the tang and is slidable therealong. A trailing line connects to the body adjacent the slots and extends therefrom through the graft retention loop toward the first end. Tension applied to the trailing line thus tends to urge the graft retention loop away from the first end and toward the midpoint.Type: GrantFiled: September 30, 2013Date of Patent: October 20, 2015Assignee: DePuy Mitek, LLCInventor: David B. Spenciner
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Patent number: 9149369Abstract: Methods and devices are provided for delivering and affixing tissue replacements. In one embodiment, a tissue scaffold can be delivered into a patient through a cannula to a cavity formed at a defect site in tissue, e.g., cartilage. A delivery shaft can be used to deliver the scaffold through the cannula, and a loading device can help load the scaffold onto the delivery shaft. A delivery guide device can position and temporarily hold the scaffold within the cavity. The delivery guide device can guide one or more surgical instruments to the scaffold to affix the scaffold within the cavity, e.g., to bone underlying the scaffold, using at least one securing mechanism.Type: GrantFiled: July 5, 2012Date of Patent: October 6, 2015Assignee: DePuy Mitek, LLCInventors: Mehmet Z. Sengun, Kristian Dimatteo
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Patent number: 9089322Abstract: A suture passing mechanism is disclosed having an elongated delivery member and a suture capture fitting at a distal end of the delivery member. The suture capture fitting includes a recess for receiving a length of suture. The recess is bounded by a proximal wall and a lateral opening leads therein. An expeller at the recess is adapted to expel suture out of the recess through the lateral opening.Type: GrantFiled: December 31, 2012Date of Patent: July 28, 2015Assignee: DePuy Mitek, LLCInventors: David B. Spenciner, Justin M. Piccirillo, Jeffery Tolonen
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Patent number: 9084615Abstract: Various exemplary methods and devices are provided for removing abnormalities from bone. In general, the methods and devices can be used to allow excess bone to be scraped from a bone surface. In an exemplary embodiment, a scraper tool is provided that includes an elongate shaft having a plurality of blades movably disposed therein. The blades can be configured to move as a unit between a retracted configuration, in which the blades can be entirely disposed within the elongate shaft, and an advanced configuration, in which at least a portion of the blades can extend distally from the elongate shaft and/or flare away from one another. A distal portion of each of the blades can have a radius of curvature corresponding to a radius of curvature of the bone to be scraped.Type: GrantFiled: January 31, 2013Date of Patent: July 21, 2015Assignee: DePuy Mitek, LLCInventors: Benjamin Cleveland, Marc Helmick, John R. Cournoyer, Michael Defusco, Donald Barry
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Patent number: 9078646Abstract: A suture anchor is disclosed having an outer body with an axial bore which receives and inner body for rotation. Suture passes between the inner body and outer body and rotation of the inner body wraps the suture thereabout locking the suture thereto. Rotation of the inner body also effects radial expansion of at least a portion of the outer body to engage to anchor into a bone hole.Type: GrantFiled: November 13, 2013Date of Patent: July 14, 2015Assignee: DePuy Mitek, LLCInventors: Jose E. Lizardi, Mehmet Ziya Sengun
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Patent number: 9072528Abstract: A perforation instrument and method of using same, including a shaft capable of being inserted into a joint of a patient, having a longitudinal axis, and carrying at least one piercing member, each piercing member having a tip suitable to pierce sub-chondral bone. The instrument is capable of being altered between an exposed condition wherein the tip of the at least one piercing member is exposed and a safety condition wherein the tip of the at least one piercing member is not capable of piercing tissue.Type: GrantFiled: December 5, 2012Date of Patent: July 7, 2015Assignee: DePuy Mitek, LLCInventors: John R. Cournoyer, Dina Belloli, Jonathan Correia, Scott Woodruff, Bethany F. Grant, Joseph Hernandez
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Publication number: 20150157449Abstract: A device having an implantable body associated with at least two filaments or sutures and configured for use in soft tissue reconstructions is provided. One exemplary embodiment includes an implantable body, an adjustable filament loop for holding ligament grafts that is coupled to the body, and a shuttle suture removably coupled to the implantable body and configured for shuttling the body through at least a portion of a bone tunnel. The loop can be defined by a self-locking knot, and one or more loop-adjusting limbs can extend from the knot, with a portion of the limb(s) also extending into a hollow portion of the shuttle suture. In some embodiments having two adjustable limbs, an intermediate portion of each limb can be the portions disposed in respective hollow portions of the shuttle suture. Other configurations of devices and systems, as well as methods for performing ACL repairs, are also provided.Type: ApplicationFiled: December 11, 2013Publication date: June 11, 2015Applicant: DePuy Mitek, LLCInventors: Adam C. Gustafson, Meghan A. Pasquali, David B. Spenciner, Mehmet Z. Sengun, Stephen J. Orphanos