Patents Assigned to K2M, Inc.
  • TRANSVERSE ROD CONNECTOR
    Publication number: 20150142057
    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.
    Type: Application
    Filed: January 29, 2015
    Publication date: May 21, 2015
    Applicant: K2M, INC.
    Inventors: Michael Barrus, Scott Jones, Steven A. Brown
  • Spinal interbody spacer with semi-constrained screws
    Patent number: 9017409
    Abstract: An intervertebral implant system is disclosed which includes a spinal spacer for engagement between vertebrae and at least one semi-constrained bone screw assembly. The spinal spacer includes a body extending between first and second end surfaces to define opposing top and bottom vertebral engaging surfaces. The second end surface of the body includes at least one aperture formed therethrough at an angle relative to the centerline axis and a screw opening defined therethrough. The semi-constrained bone screw assembly is adapted for insertion through the screw opening and includes a shank, a head and a rod member. The rod member is fixedly engageable with the shank and moveably coupled to the head such that both the rod member and the shank are moveable with respect to the head.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: April 28, 2015
    Assignee: K2M, Inc.
    Inventors: Todd Wallenstein, Megan E. McMullen
  • Intervertebral prosthesis endplate having double dome and surgical tools for implanting same
    Patent number: 9011542
    Abstract: An endplate for an intervertebral prosthesis includes a generally planar base plate, a first elevated region, or dome, within the base plate periphery, and a second elevated region, or dome, within the boundary of the first elevated region. The antero-posterior and side-to-side (medial-lateral) dimensions of the first elevated region are made to be unequal in order to provide resistance to torsional stresses, and the laterally opposite sidewalls of the first elevated region are defined by arcs that terminate in sagittal planes of the endplate, and are symmetrical with respect to a coronal plane of the endplate. A bone rasp and a groove cutter for use in implanting the prosthesis are also provided.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: April 21, 2015
    Assignee: K2M, Inc.
    Inventors: Casey K. Lee, George Makris, Alastair J. T. Clemow, William F. Ogilvie
  • Minimally open interbody access retraction device and surgical method
    Patent number: 8979749
    Abstract: Devices, systems and methods for minimally open orthopedic spine surgery are disclosed. A first flexible screw-based retractor is designed to be coupled to each pedicle screw inserted into adjacent vertebral bodies. A retractor system is provided in which a first retractor blade is mounted to one of the screws and a second movable retractor blade is moved away from the first blade, in a medial direction, to create a working channel through which the disc space may be accessed for passing instruments and implants. Light may be incorporated into the device to illuminate the surgical field. One or all of the retractor blades may be made of a sterilizable plastic or metal and be disposable or reusable.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: March 17, 2015
    Assignee: K2M, Inc.
    Inventors: Josef Gorek, Linda Krisciunas, Catherine Ross, Jennifer Haggenmaker, Kevin Strauss
  • Iliosacral polyaxial screw
    Patent number: 8979898
    Abstract: Provided is an iliosacral polyaxial screw system. A multiple part insert member is provided to secure the screw to the housing of the assembly to accommodate screws in which the shank diameter of the screw is greater than the bottom opening of the screw housing or greater than the opening of a ring member designed to capture the head of the screw in the housing.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: March 17, 2015
    Assignee: K2M, Inc.
    Inventors: Timmon Ark, Daniel Genovese, Theo Choi
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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