Patents Assigned to K2M
  • 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
  • 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
  • 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
  • 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
  • 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 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
  • 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
  • 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
  • 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
  • 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
  • Spinal correction system actuators
    Patent number: 9408638
    Abstract: A spinal correction system for implantation in a patient, the system including a reciprocating adjuster and/or a resistance adjuster coupled to a stabilizing member, for example. The resistance adjuster includes a potential energy drive, a slide unit, and a resistance unit. The reciprocating adjuster includes a piston unit, a transfer unit coupled to the piston unit, and a return mechanism.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: August 9, 2016
    Assignee: K2M, Inc.
    Inventors: Ryan M. Kroll, Steven J. Seme, Thomas J. Gisel, Mark W. Kroll
  • Systems, devices and apparatuses for bony fixation and disk repair and replacement methods related thereto
    Patent number: 9393127
    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: August 20, 2014
    Date of Patent: July 19, 2016
    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
  • Mesh cage scoring and cutting system
    Patent number: 9393709
    Abstract: A scoring system includes a scoring device and a mandrel. The scoring device includes at least one scoring disc configured to engage a surface of a mesh cage. In an open condition, the scoring disc is positioned away from the mesh cage and in a closed condition, the scoring disc engages a surface of the mesh cage. The scoring device is rotatable about the longitudinal axis of the mesh cage when in the closed condition to score the mesh cage at a desired length from an end of the mesh cage. The mandrel is insertable within the mesh cage to support and/or retain a portion of the mesh cage. The mandrel can also apply a force to the score mark to cleanly separate two portions of the mesh cage at the score mark.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: July 19, 2016
    Assignee: K2M, Inc.
    Inventors: Faheem Sandhu, Larry McClintock, Kevin R. Strauss
  • Spinal fixation system
    Patent number: 9393049
    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: Grant
    Filed: August 27, 2012
    Date of Patent: July 19, 2016
    Assignee: K2M, Inc.
    Inventors: Scott Jones, Oheneba Boachie-Adjei, Larry McClintock, Kevin Strauss, John Carbone
  • Spinal rod locking holder
    Patent number: 9393054
    Abstract: A spinal rod locking holder includes an outer body, a handle assembly at a proximal end of the outer body, a locking assembly within a distal portion of the outer body, and a sprocket assembly at the distal end of the outer body. The handle assembly includes a moveable handle operatively associated with the sprocket assembly to selectively engage and release an end of a spinal rod. The locking assembly including a bearing operatively associated with a pawl such that when the moveable handle is compressed the bearing extends the pawl into contact with an outer surface of the sprocket assembly. The sprocket assembly including sprocket sections configured to compress against the end of the spinal rod when the pawl engages the outer surface of the sprocket assembly.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: July 19, 2016
    Assignee: K2M, Inc.
    Inventors: Robert Meyer, Kevin R. Strauss, Larry McClintock
  • Adjustable implant and insertion tool
    Patent number: 9393130
    Abstract: An adjustable spinal implant includes a lower body, an upper body, a locking pawl, and a locking key. The upper body and the lower body are pivotable relative to one another between a collapsed position and an expanded position. The upper body includes a locking flange that extends towards the lower body. The locking pawl is coupled to the lower body and is moveable between a locked position such that the upper and lower bodies are fixed relative to the one another and an unlocked position such that the upper and lower bodies are moveable relative to one another. The locking key is moveable between a locked state such that the locking pawl is fixed in the locked position and an unlocked state wherein the locking pawl is moveable between the locked position and the unlocked position.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: July 19, 2016
    Assignee: K2M, Inc.
    Inventors: Loubert Suddaby, Larry McClintock