Patents Assigned to K2M
  • Transverse rod connector
    Patent number: 8961565
    Abstract: A transverse rod connector includes an elongate member having first and second ends and first and second connection members. The first and second connection members are connected with first and second ends, respectively. The first and second connection members are configured for multidirectional positioning with respect to the elongate member. The first and second connection members are each dimensioned to be selectively and releasably secured to a bone anchor. The elongate member is longitudinally adjustable.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: February 24, 2015
    Assignee: K2M, Inc.
    Inventors: Michael Barrus, Scott Jones, Steven A. Brown
  • Dynamic cervical plate
    Patent number: 8961517
    Abstract: A dynamic cervical plate includes a first end section and a second end section. In embodiments, the dynamic cervical plate may include one or more middle sections positioned between the first and second end sections. Each section may be longitudinally repositionable. Each section may include a plurality of openings for receiving threaded fasteners such as a self-starting screw or a self-tapping screw. In addition, each section may include an orifice for releasably mating with a drill guide. Each of the end sections may include a notch at one end for aligning with the drill guide or fixation pins. In one embodiment, a pin is used to interconnect the sections. In other embodiments, support bars are used to limit flexure between sections. In embodiments, one or more locking elements and/or one or more support bars may operably interconnect each section.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: February 24, 2015
    Assignee: K2M, Inc.
    Inventors: Larry McClintock, Todd Wallenstein, Peter Harris, Kevin R. Strauss, Megan Carnes
  • Rod reduction device and method of use
    Patent number: 8961523
    Abstract: Provided is a novel rod reducing device including a screw jack mechanism that is moveably engaged with an elongated grasping fork assembly, the screw jack mechanism having an elongated threaded portion, the elongated threaded portion being connected at its most distal end to a rod contact member, which is positioned in sliding circumferential contact with each of the two opposing elongated grasping members and the most proximal end of the elongated threaded portion terminating in a controlling member, which can be activated in a measured and controlled manner. A method of using the device is also provided.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: February 24, 2015
    Assignee: K2M, Inc.
    Inventors: Michael Barrus, Scott A. Jones
  • Devices, systems, and methods for performing spinal surgery
    Patent number: 8956360
    Abstract: A manipulation device includes a body portion, a plurality of articulatable legs, and at least one lock member. The legs extend from the body portion. Each of the legs is configured to engage a surgical instrument at a distal end thereof. Each of the legs is transitionable between an unlocked condition, wherein the leg is free to articulate, and a locked condition, wherein the leg is fixed in position. The at least one lock member is operably disposed within the body portion and is coupled to at least one of the articulatable legs. The lock member is rotatable relative to the body portion between an unlocked position and a locked position for transitioning the at least one articulatable leg coupled thereto between the unlocked condition and the locked condition.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: February 17, 2015
    Assignee: K2M, Inc.
    Inventors: Oheneba Boachie-Adjei, John Kish, Craig Kashuba, Jennifer Moore, Michael Barrus, Nicholas A. Psaltos
  • Minimally invasive retractor and posted screw
    Patent number: 8956284
    Abstract: A minimally invasive retractor assembly includes a posted screw and one or more retractor blades. Each retractor blade is releasably coupled to the posted screw. The retractor blade or blades are manipulated or flexed relative to the posted screw allowing retraction of tissue surrounding the incision. The retractor is made of a biocompatible material, sterile packaged and disposable after one use. A system and method for using the retractor and performing a minimally invasive spine surgical procedure are also disclosed.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: February 17, 2015
    Assignee: K2M, Inc.
    Inventors: Josef Gorek, Richard W. Woods
  • Spinal fixation system having locking and unlocking devices for use with a multi-planar, taper lock screw
    Patent number: 8945189
    Abstract: Provided is a spinal fixation system including a taper lock screw including an inner housing and an outer housing that are translatable relative to one another to transition the taper lock screw between a locked position and an unlocked position. A locking device releasably connects to and operationally interacts with a flange of the taper lock screw. An unlocking device releasably connects to and operationally interacts with inner housing unlocking tool receptors of the taper lock screw to unlock the taper lock screw.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: February 3, 2015
    Assignee: K2M, Inc.
    Inventors: Michael Barrus, Scott A. Jones, Kevin Strauss
  • RETENTION PLATE MEMBER FOR A SPINAL PLATE SYSTEM
    Publication number: 20150025581
    Abstract: A retention member for a spinal plate system where at least one or more segments of the retention member cover the head portion of a bone anchor member to inhibit movement of the bone anchor member that is inserted into the plate. The retention member allows for ease of insertion of the bone anchor member and once the bone anchor member is fully seated the retention member is in place.
    Type: Application
    Filed: July 16, 2013
    Publication date: January 22, 2015
    Applicant: K2M INC
    Inventors: Megan Carnes, Todd Wallenstein, Scott Jones
  • Minimally invasive retraction device having detachable blades
    Patent number: 8932210
    Abstract: A retraction device comprises a base and at least one retracting blade. The base has at least one tab. The retracting blade has a slotted distal end for receiving the tab of the base.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: January 13, 2015
    Assignee: K2M, Inc.
    Inventor: Richard W. Woods
  • Anterior vertebral plate with spike fixation
    Patent number: 8920479
    Abstract: Provided is a novel system that includes an anterior vertebral body plate with at least one bone spike pivotally attached to the plate and capable of being manually inserted into underlying bone to securely fix the plate to the bone. Also provided is a method of stabilizing cervical vertebrae using the disclosed system.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: December 30, 2014
    Assignee: K2M, Inc.
    Inventors: Kevin R. Strauss, Larry E. McClintock, Todd M. Wallenstein
  • Transverse connector
    Patent number: 8920471
    Abstract: The present disclosure provides a transverse connector having first and second spinal rod connecting members disposed on opposing ends of a cross member. Each spinal rod connecting member is configured to connect to a spinal rod. The first and second spinal rod connecting members are configured for multidirectional articulation relative to the cross member.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: December 30, 2014
    Assignee: K2M, Inc.
    Inventors: Michael Barrus, Scott Jones, Catherine Ross
  • Occipital plate for cervical fixation
    Patent number: 8894695
    Abstract: An adjustable occipital plate includes a central body portion having a plurality of arms extending therefrom in a generally Y-shaped configuration. Two of the arms include elongate slots for slidably receiving retaining members therein. Each retaining member includes a U-shaped channel for receiving a spine rod and a set screw. The central body portion and one arm include openings for receiving bone screws therein. Each of the arms may be angled with respect to the central body portion.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: November 25, 2014
    Assignee: K2M, Inc.
    Inventors: Jennifer Moore, John Kostuik, Steve A. Brown
  • Expandable vertebral device with cam lock
    Patent number: 8882840
    Abstract: An expandable cage supports adjacent vertebra in spine surgery. The expandable cage includes a first supporting member configured to engage tissue and a second supporting member operatively associated with the first supporting member. The first and second supporting members are movable relative to each other. The expandable cage further includes a cam lock mechanism configured to maintain the first and second supporting members in a fixed relative position. In another embodiment, the expandable cage includes a ring plate lock mechanism in lieu of the cam lock mechanism. The ring plate lock mechanism is adapted to maintain the first and second supporting members in a fixed relative position.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: November 11, 2014
    Assignee: K2M, Inc.
    Inventors: Larry Mcclintock, Kevin R. Strauss, Atiq Durrani
  • Spinal fixation system
    Patent number: 8882817
    Abstract: A polyaxial pedicle screw includes a housing, a bone screw member, and an anvil. The bone screw member includes a head and a threaded shaft extending from the head. The head is selectively securable within the housing. The anvil is positionable within the housing adjacent to the head of the bone screw member when the anvil and the head of the bone screw member are positioned within the housing. The anvil may define one or more grooves in an outer surface of the anvil. The groove defines a flap that is flexibly attached to the anvil to enable the anvil to flex an amount sufficient to maintain the head of the bone screw in constant contact with the anvil when the bone screw member is moved relative to the anvil.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: November 11, 2014
    Assignee: K2M, Inc.
    Inventors: Scott Jones, Oheneba Boachie-Adjei, Larry McClintock, Kevin Strauss, John Carbone
  • Intervertebral instrument, implant, and method
    Patent number: 8882844
    Abstract: An intervertebral instrument includes a shaft having distal and proximal ends. The proximal end of the shaft includes an attaching feature connected to handle. The shaft defines a pair tracks disposed along a portion of the surface thereof. The distal end includes a pair of wings. Each track guides instruments and implants along the intervertebral instrument. The implants are configured to receive bone graft or bone enhancers. The distal end of the shaft may include a removably attachable tip configured to engage the implants. The implants and the removably attachable tip form an implantable intervertebral disk. An intervertebral instrument and implant kit is also disclosed. A method of inserting intervertebral implants is also disclosed.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: November 11, 2014
    Assignee: K2M, Inc.
    Inventor: Larry McClintock
  • OCCIPITAL FIXATION ASSEMBLY, SYSTEM AND METHOD FOR ATTACHING THE SAME
    Publication number: 20140324105
    Abstract: An occipital fixation assembly is provided. The occipital fixation assembly includes a first mounting plate configured for placement within a sinus cavity adjacent a rear portion of a skull of a patient. A threaded post extends from the first mounting plate. A coupling member includes an aperture configured to receive the threaded post therethrough. The coupling member includes an offset extension configured to support a surgical rod thereon. A fixation nut configured to threadably engage the threaded post of the first mounting plate is rotatable about the threaded post and translatable therealong. The fixation nut is rotatable with respect to the first mounting plate and the coupling member such that rotation of the fixation nut in a predetermined direction brings the first mounting plate and the coupling member toward one another and into secured engagement with the skull of a patient.
    Type: Application
    Filed: May 28, 2014
    Publication date: October 30, 2014
    Applicant: K2M, Inc.
    Inventors: Faheem Sandhu, Kevin R. Strauss, Larry McClintock
  • Minimally invasive retractor and methods of use
    Patent number: 8870878
    Abstract: A device, system and method for orthopedic spine surgery using a novel screw-based retractor, disclosed herein, that allows for access to the spine through a minimally or less invasive approach. The retractor device is designed as a co-molded part of the tulip of a pedicle screw assembly with opposed arms of the retractor spread apart to open the wound proximally. The arms are removed by separating the arms from the tulip and removing them from the incision. The retractor device is intended to be made of a relatively stiff material, sterile packaged and disposable after one use. A system and method for using the retractor and performing a minimally invasive spine surgical procedure are also disclosed.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: October 28, 2014
    Assignee: K2M, Inc.
    Inventor: Josef Gorek
  • Fixation of elastomer to rigid structures
    Patent number: 8864831
    Abstract: A surgical implant, especially an artificial intervertebral disc, includes a rigid substrate (513) having a porous attachment structure (512) that covers a portion of the substrate and an elastomeric body (510) that is fastened to the substrate by impregnating the porous attachment structure. The porous attachment structure has a net porosity greater than 21.5%. The porous attachment structure may be, for example, a perforated plate or a screen spaced from a substrate surface, or a layer of trabecular metal or an open-cellular material.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: October 21, 2014
    Assignee: K2M, Inc.
    Inventors: Casey K. Lee, George Makris, Alastair J. T. Clemow
  • Systems, devices and apparatuses for bony fixation and disk repair and replacement methods related thereto
    Patent number: 8845642
    Abstract: The present invention features new methods, apparatuses and devices for fixing adjacent bone segments, segments of a bony structure and adjacent vertebrate of a spine. The methods, apparatuses and devices utilize an apparatus for forming a channel in a surface of the bone or bony structure segments or adjacent vertebra or a channel submerged within the bone or bony structure segments or adjacent vertebra. In more particular embodiments such apparatuses and methods including forming an arcuate channel and which channel can receive therein a curved rod or implant member. Also featured are systems, apparatuses and methods for removably suspending a spacer in the intervertebral space while forming such a channel as well as systems, apparatuses and methods for use of dynamized implant members.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: September 30, 2014
    Assignee: K2M, Inc.
    Inventors: Allen Carl, Josef K. Winkler, Robert Floyd Beisel, Spanky Allen Raymond, Daniel Stephen Savage, Jason John Gromek, Carl Michael Nilsson, Nathan Jeffrey Pierce
  • SPINAL IMPLANT AND SURGICAL METHOD
    Publication number: 20140277478
    Abstract: A spinal implant includes a substantially U-shaped body portion and a plate portion. The body portion has first, second, and third walls joined to one another such that the second and third walls define legs of the body portion. The body portion is configured and dimensioned to be positioned between first and second vertebral bodies. The plate portion has a main portion and a flange portion. The main portion has at least one first screw hole oriented towards the first vertebral body at an oblique angle relative to a horizontal axis of the body portion. The flange portion has a second screw hole oriented towards the first vertebral body with the second screw hole oriented substantially parallel to the horizontal axis of the body portion. The flange portion is coupled to the main portion such that the flange portion extends past the first surface of the main portion.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Applicant: K2M, INC.
    Inventor: Jennifer Moore
  • Anterior vertebral plate with closed thread screw
    Patent number: 8834535
    Abstract: Provided is a novel system that includes a low profile anterior vertebral body plate and closed thread screws for the fixation and stabilization of the cervical spine, the closed thread screw having an integral novel screw locking mechanism of an uppermost closed thread having a flat pitch, which engages and attaches the plate so as to lock the screw into the plate until an intentional, simultaneous combination of outward pulling force and counter-clockwise torque is applied to release the closed thread screw from the plate. Also provided is a method of stabilizing cervical vertebrae using the disclosed system.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: September 16, 2014
    Assignee: K2M, Inc.
    Inventor: Larry E. McClintock