Patents Assigned to K2M, Inc.
  • Screw insertion instrument
    Patent number: 9526553
    Abstract: An instrument for selectively coupling with a pedicle screw is disclosed. The instrument includes an inner shaft, wherein the distal tip is configured to engage a pedicle screw and the proximal end configured to be selectively engaged with a knob, and a knob assembly configured to advance over the inner shaft, wherein the distal end is configured to engage the tulip of the pedicle screw and the proximal end is configured to selectively engage the inner shaft. A method for selectively coupling the instrument to a pedicle screw is also disclosed.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: December 27, 2016
    Assignee: K2M, Inc.
    Inventors: Robert Shay Bess, Theo Choi
  • System for corrective spinal surgery and method of use
    Patent number: 9517099
    Abstract: A pedicle screw locking system includes a reduction tube and a locking driver. The reduction tube includes an inner shaft, a pair of grips, a reduction sleeve, and a rotatable tube. The inner shaft has a threaded end and reduction arms distally extending from the threaded end. Each grip of the pair of grips has a finger configured to engage the receiver of a pedicle screw. The reduction sleeve and the rotatable tube are disposed over and coaxially aligned with the inner shaft. The rotatable tube is coupled to the reduction sleeve. The rotatable tube moves the reduction sleeve relative to the reduction arms. The locking driver includes a threaded portion and a blunt tip. The threaded portion is configured to thread into threads in the receiver of the pedicle screw until the blunt tip locks the receiver of the pedicle screw.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: December 13, 2016
    Assignee: K2M, Inc.
    Inventors: Robert Shay Bess, Frank Schwab, David Dreusicke, Theo Choi, Thomas Errico
  • Growth directed vertebral fixation system with distractible connector(s) and apical control
    Patent number: 9510865
    Abstract: Growth directed correction of a spine via apical vertebral control includes securing a correction system to a first vertebra and a second vertebra of the spine, the correction system defining a correction axis extending between the first and second vertebra and securing the correction system to a third vertebra intermediate the first and second vertebra, the correction system securing the third vertebra at a fixed distance from the correction axis. The correction system is secured to the first and second vertebra such that the first and second vertebra are able to grow away from one another in a direction substantially parallel to the correction axis.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: December 6, 2016
    Assignee: K2M, Inc.
    Inventors: Hazem Elsebaie, Behrooz Akbarnia
  • Minimally invasive retractor and methods of use
    Patent number: 9510858
    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 to be coupled to a pedicle screw and then to have opposed arms of the retractor spread apart to open the wound proximally. The retractor is removed by pulling it out of the wound whereby the retractor is deformed to pass over the pedicle screw head. The retractor is intended to be made of a stiff plastic 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: October 20, 2015
    Date of Patent: December 6, 2016
    Assignee: K2M, Inc.
    Inventors: Josef Gorek, John Kostuik, George Picetti, Kevin R. Strauss, Michael Barrus, Larry Mcclintock, Richard W. Woods
  • Iliosacral polyaxial screw
    Patent number: 9504497
    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: May 6, 2014
    Date of Patent: November 29, 2016
    Assignee: K2M, Inc.
    Inventors: Timmon Ark, Daniel Genovese, Theo Choi
  • Transverse connector
    Patent number: 9504500
    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: November 5, 2014
    Date of Patent: November 29, 2016
    Assignee: K2M, INC.
    Inventors: Michael Barrus, Scott Jones, Catherine Ross
  • Laminar hook insertion device
    Patent number: 9498261
    Abstract: A surgical hook insertion device includes an elongate body defining a lumen therethrough and an actuation assembly. The elongate body has a retaining portion configured and dimensioned to releasably retain a laminar hook therein. The actuation assembly includes an actuation rod and an actuator member. The actuation rod is slidably disposed within the lumen of the elongate body. The actuator member is operatively coupled with the actuation rod and is slidably mounted on the elongate body, wherein the actuation assembly is transitionable between a first position in which a portion of the actuation rod engages the laminar hook releasably disposed in the retaining portion and a second position in which the actuation rod disengages the laminar hook.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 22, 2016
    Assignee: K2M, INC.
    Inventor: Larry McClintock
  • Insertion device for use with an expandable cage
    Patent number: 9498350
    Abstract: An insertion device includes a first engagement arm having a first body portion and a first proximal extension, a second engagement arm including a second body portion and a second proximal extension, and an adjustment mechanism. The second proximal extension is disposed about the first proximal extension and is slidable therealong to vary a spacing between the first and second engagement arms. The adjustment mechanism includes an adjustment screw rotatably coupled to the first proximal extension and an adjustment cylinder coupled to the second proximal extension. The adjustment cylinder is configured to receive the adjustment screw in threaded engagement therewith such that rotation of the adjustment screw relative to the adjustment cylinder urges the second proximal extension to translate along the first proximal extension to vary the spacing between the first and second engagement arms.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: November 22, 2016
    Assignee: K2M, Inc.
    Inventors: Charles Theofilos, Adam Wassinger, Todd Wallenstein, John Donohoe
  • SPINAL FIXATION SYSTEM
    Publication number: 20160317191
    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. A rod reducer may be secured to the polyaxial pedicle screw to secure a spinal rod within the housing.
    Type: Application
    Filed: July 14, 2016
    Publication date: November 3, 2016
    Applicant: K2M, Inc.
    Inventors: Scott Jones, Oheneba Boachie-Adjei, Larry McClintock, Kevin Strauss, John Carbone
  • Transverse coupler adjuster spinal correction systems and methods
    Patent number: 9468469
    Abstract: Systems, devices, and associated methods for correcting and stabilizing spinal column deformities that promote ease of use and surgical technique, help minimize attachment anchor sites, facilitate use of straight or contoured rods, and/or help promote a more natural, physiologic motion of the spinal column during and/or after correction.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: October 18, 2016
    Assignee: K2M, Inc.
    Inventors: John F. Otte, Thomas J. Gisel, Matthew S. Stenulson
  • Transverse rod connector
    Patent number: 9468472
    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: Grant
    Filed: January 29, 2015
    Date of Patent: October 18, 2016
    Assignee: K2M, Inc.
    Inventors: Michael Barrus, Scott Jones, Steven A. Brown
  • Transverse coupler adjuster spinal correction systems and methods
    Patent number: 9468471
    Abstract: Systems, devices, and associated methods for correcting and stabilizing spinal column deformities that promote ease of use and surgical technique, help minimize attachment anchor sites, facilitate use of straight or contoured rods, and/or help promote a more natural, physiologic motion of the spinal column during and/or after correction.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: October 18, 2016
    Assignee: K2M, Inc.
    Inventors: John F. Otte, Thomas J. Gisel, Matthew S. Stenulson
  • Transverse connector for spinal stabilization system
    Patent number: 9468468
    Abstract: A transverse connector of a stabilizing system for correcting a spinal deformity includes a mounting portion adapted to be secured to a vertebra, a head portion having a pocket for receiving a spinal rod, a connection portion extending between the mounting portion and the head portion, and an arm portion extending from the mounting portion to a terminal end. The arm portion is substantially elongate in shape and is adapted to extend laterally across a vertebra of a spine. A flexible tether is secured to the terminal end of the arm portion.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: October 18, 2016
    Assignee: K2M, Inc.
    Inventors: Steven J. Seme, John F. Otte, Thomas J. Gisel
  • Interbody spacer
    Patent number: 9468535
    Abstract: An intervertebral implant includes a body portion defining a longitudinal axis. The body portion includes a distal end portion, a proximal end portion, anterior and posterior walls that extend between the distal and proximal end portions, and top and bottom surfaces. At least one of the top and bottom surfaces includes a plurality of substantially concentrically arranged ridges configured and adapted to engage vertebral bodies. In particular, the plurality of substantially concentrically arranged ridges are a plurality of ring-shaped protrusions that define a generally saw-tooth pattern in a radial direction.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: October 18, 2016
    Assignee: K2M, Inc.
    Inventors: Pierce Nunley, Brandon Moore, Stephanie Volk
  • System and method for performing spinal surgery
    Patent number: 9468476
    Abstract: Systems and methods for surgical spinal correction are disclosed. A system including a plurality of bone screws, spinal rods, manipulators, and/or transverse couplers is disclosed for the manipulation of the spinal column is disclosed. A method of achieving, in a single action, manipulation and/or rotation of the spinal column using the disclosed system is disclosed. Also disclosed is a method of conducting spinal surgery to correct spinal deformities wherein spinal rods are pre-bent in a physiological sagittal plane prior to attachment of the vertebrae using bone screws.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: October 18, 2016
    Assignee: K2M, INC.
    Inventors: Oheneba Boachie-Adjei, Andrew Thomas Rock, Raymund Woo, Michael Barrus, Scott Jones
  • System and method for spinal correction
    Patent number: 9451987
    Abstract: Methods of correcting a spinal deformity, including securing a first rod on a first side of a spine, securing an anchor on a second side of a spine, securing a lateral coupling between the rod and the anchor, translating and/or derotating the spine and securing a second rod on a second side of the spine to provide secondary stabilization to the spine.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: September 27, 2016
    Assignee: K2M, Inc.
    Inventors: Steven J. Seme, Thomas J. Gisel, Matthew S. Stenulson, John F. Otte
  • Rod reducer
    Patent number: 9452000
    Abstract: A rod reducer apparatus is disclosed and includes a housing, an anvil coupled to a shaft, a plurality of arm members, and a button. The housing has an opening extending therethrough for receiving the shaft. The anvil is coupled to one end of the shaft. The button is slidably disposed in the housing and transitionable between first and second positions. The button is engageable with the shaft such that rotation of the shaft is translated into linear movement of the anvil.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: September 27, 2016
    Assignee: K2M, Inc.
    Inventor: Michael Barrus
  • Facet device and method
    Patent number: 9451997
    Abstract: A spine implant includes an insert positioned between facets of a zygapophyseal joint. In various embodiments, the insert is configured to exert a distraction force on one or more facets of the zygapophyseal joint. The insert may comprise one or more members having one or more opposing facet interfacing portions. A securing member is configured to interface with the insert to secure the facets.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: September 27, 2016
    Assignee: K2M, Inc.
    Inventors: Allen L. Carl, Dan Sachs, Meir Rosenberg
  • Spinal stabilization system including shaped spinal rod
    Patent number: 9421038
    Abstract: A spinal stabilization system includes a shaped spinal rod and a plurality of bone screws. The shaped spinal rod includes a body portion, a head portion, and a neck portion connecting the body portion to the head portion. The shaped spinal rod provides coronal rigidity for a complex deformity construct, and allows for rotation of the shaped spinal rod in a medial and lateral direction to facilitate insertion into the screw head. The bone screws include a housing portion and a screw shaft distally extending from the housing portion. The housing portion includes an inner housing and an outer housing slidably surrounding at least a portion of the inner housing. The inner housing defines a slot configured and dimensioned to releasably secure the body portion of the shaped spinal rod therein. The outer housing is movable relative to the inner housing between an unlock state and a locked state.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: August 23, 2016
    Assignee: K2M, Inc.
    Inventors: Hilali Noordeen, Michael Barrus
  • Devices, systems, and methods for performing spinal surgery
    Patent number: 9414860
    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: January 23, 2015
    Date of Patent: August 16, 2016
    Assignee: K2M, Inc.
    Inventors: Oheneba Boachie-Adjei, John Kish, Craig Kashuba, Jennifer Moore, Michael Barrus, Nicholas A. Psaltos