Patents Assigned to K2M, Inc.
  • Publication number: 20200315602
    Abstract: A retractor system includes a retractor device and a blade assembly. The retractor device includes a support and first and second arms. The retractor blade assembly includes first and second blades. Each of the first and second blades includes an elongate portion and a tubular portion. The elongate portion includes an engaging portion releasably coupled with the retractor device. The tubular portion extends distally from the elongate portion. The tubular portion defines a bore dimensioned to receive a housing of a bone screw. The tubular portion includes a clip deflectable radially outward. The clip is deflectable between a first state, in which, the clip is deflected radially outward such that the clip disengages the housing of the bone screw positioned in the tubular portion, and a second state, in which, the clip engages the housing of the bone screw positioned in the tubular portion.
    Type: Application
    Filed: February 5, 2018
    Publication date: October 8, 2020
    Applicant: K2M, Inc.
    Inventors: Patrick Melton, Michael Prosser
  • Patent number: 10786369
    Abstract: An insertion instrument for expandable spinal implants includes an elongate member, a shuttle, and a worm gear. The elongate member includes a handle portion of a proximal end and an end effector on a distal end, wherein the end effector is configured to be releasably engaged to an expandable spinal implant. The shuttle is slidably disposed within a cavity defined within the end effector and includes a wedged shaped distal end configured to engage an expandable spinal implant. The worm gear is rotatably disposed within the cavity defined in the end effector and is in mechanical communication with the shuttle, such that rotation of the worm gear effectuates movement of the shuttle. Distal movement of the shuttle effectuates articulation of an expandable spinal implant. A method of performing surgery is also disclosed.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 29, 2020
    Assignee: K2M, Inc.
    Inventors: Megan Carnes, John Donohoe, Scott Jones
  • Patent number: 10779866
    Abstract: A rod reducer assembly is provided and is selectively mountable to a pedicle screw assembly. The pedicle screw assembly includes a pedicle screw housing that defines a rod-receiving recess. The pedicle screw assembly includes an extension assembly that is coupled to the pedicle screw housing by a frangible member. The rod reducer is configured to reduce a spinal rod into the rod-receiving recess of the pedicle screw assembly. The rod reducer assembly may include a derotation sleeve configured to inhibit the frangible member from breaking while manipulating a spinal bone.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: September 22, 2020
    Assignee: K2M, Inc.
    Inventors: Josh Rubin, Geneva Goldwood, Daniel Genovese, Olivia Angus, Robert J. Tokash, Ashok Biyani, Peter Bono, Anthony Cucchi, Kornelis Poelstra, Michael Selby, Robert Kuru
  • Publication number: 20200253655
    Abstract: A fixation device includes an outer member, an inner member, and an expansion member. The outer member includes an elongated body portion and a slotted tail portion, and defines a central bore therethrough that extends along a central longitudinal axis. The inner member is disposed within the central bore of the outer member, and the expansion member is coupled to the inner member. Proximal movement of the inner member relative to the outer member moves the expansion member into the slotted tail portion of the outer member such that the slotted tail portion moves from an undistended configuration to a distended configuration.
    Type: Application
    Filed: March 30, 2018
    Publication date: August 13, 2020
    Applicant: K2M, Inc.
    Inventors: Thomas J. ERRICO, Peter NEWTON, Harry SHUFFLEBARGER, Brittany HARWELL
  • Patent number: 10736669
    Abstract: A spinal management system includes a stabilizing member adapted to extend substantially longitudinally along a target region of a spine tending to exhibit a defective curvature and a set of stabilizing anchors adapted for fixation to vertebrae and to receive the stabilizing member to secure the stabilizing member against substantial transverse translation relative to the vertebrae. The system also includes a first correction anchor adapted for fixation to a vertebra, a second correction anchor adapted for fixation to a vertebra, and a connection between the stabilizing member and the first correction anchor and between the first and second correction anchors adapted such that when the connection is tensioned a compressive force is selectively exerted between the first and second correction anchors.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: August 11, 2020
    Assignee: K2M, Inc.
    Inventors: Steven J. Seme, Thomas J. Gisel
  • Patent number: 10729474
    Abstract: A bone plate is provided including a top and bottom surface. The bottom surface may be adapted to contact bone. The bone plate may further include a plurality of apertures, wherein each aperture includes an annular sidewall and a lip adjacent to the bottom surface of the bone plate. The bone plate may also include at least one slot, wherein the slot includes a sidewall and a lip adjacent to the bottom surface of the bone plate. A bone plate system and method of use are also provided.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: August 4, 2020
    Assignee: K2M, Inc.
    Inventor: Michael Dabbah
  • Patent number: 10722271
    Abstract: A spinal fixation device is provided. The spinal fixation device includes a body portion including a stud portion defining a first annular groove. An outer housing is positionable on the stud portion of the body portion. An inner housing defines a second annular groove and is positionable between the outer housing and the stud portion. A ring member is positionable within each of the first and second annular grooves of the respective stud portion and inner housing to lock the inner housing to the body portion and to fixedly couple the outer housing to the stud portion.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: July 28, 2020
    Assignee: K2M, Inc.
    Inventor: Michael Barrus
  • Patent number: 10722276
    Abstract: A spinal hook includes a hook member, an inner collet, and an outer portion. The hook member includes a head portion and a blade portion. The inner collet includes a base portion configured to rotatably engage the head portion and a pair of engaging portions defining a slot configured to receive a connecting rod therein. The outer portion is movable relative to the inner collet between a locked position in which the outer portion causes the pair of engaging portions to move toward each other and an unlocked position in which the outer portion causes the pair of engaging portions to be spread apart to facilitate insertion or removal of the connecting rod.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: July 28, 2020
    Assignee: K2M, Inc.
    Inventors: Michael Barrus, Scott Jones, Brandon Moore, Larry McClintock
  • Patent number: 10702311
    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 derotating the spine to correct the spinal deformity by adjusting an effective length of the lateral coupling, and securing a second rod on a second side of the spine to provide secondary stabilization to the spine.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: July 7, 2020
    Assignee: K2M, Inc.
    Inventors: Steven J. Seme, John F. Otte, Thomas J. Gisel
  • Patent number: 10702317
    Abstract: A rod reducer assembly is provided. The rod reducer includes a pedicle screw housing defining a rod-receiving passage therethrough. A tab is removably coupled to the pedicle screw housing by a frangible member. An extension is secured to the tab. The extension and the tab are separable from the pedicle screw housing upon application of a threshold force to the frangible member.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: July 7, 2020
    Assignee: K2M, Inc.
    Inventors: Andrew Kam, Jens Richolt, Daniel Genovese, Josh Rubin, Geneva Goldwood, Gordon Duncan Charles Dandie
  • Patent number: 10675062
    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: October 11, 2017
    Date of Patent: June 9, 2020
    Assignee: K2M, Inc.
    Inventors: Ryan M. Kroll, Steven J. Seme, Thomas J. Gisel, Mark W. Kroll
  • Patent number: 10675077
    Abstract: A surgical rod scorer is provided. The surgical rod scorer includes a pair of elongated shaft members that are pivotably coupled to one another and movable from a spaced-apart configuration to an approximated configuration. Each of the shaft members includes a handle member that is configured for gripping by a user and jaw member that is configured to support respective first and second cutting assemblies thereon. The first and second cutting assemblies each include one or more cutting elements thereon configured and dimensioned to score surgical rod when the jaw members are in the approximated configuration and rotated about the surgical rod.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: June 9, 2020
    Assignee: K2M, Inc.
    Inventors: Larry McClintock, Kevin R. Strauss, Faheem Sandhu
  • Patent number: 10667847
    Abstract: A surgical instrument includes a body, a securement arm, a clamp lock, and a tensioning assembly. The body defines a longitudinal axis and has proximal and distal portions. The distal portion defines a recess. The securement arm is coupled to the body and translatable along the body in a direction parallel to the longitudinal axis between first and second position. The clamp lock is pivotally coupled to the distal portion of the body. The clamp lock is pivotable between secured and unsecured configurations. The tensioning assembly translatable in a direction parallel to the longitudinal axis between proximal and distal position. The tensioning assembly configured to draw a flexible band to tension the flexible band about a bony element.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: June 2, 2020
    Assignee: K2M, Inc.
    Inventors: Brian Hsu, Greg Mundis, Jr., Burt Yaszay, Suken Shah, Behrooz Akbarnia, Catherine Ross, Brian Kunes, Brandon Moore
  • Patent number: 10660763
    Abstract: A spinal implant is provided and includes a body portion defining a longitudinal axis. The body portion includes a distal end portion, a proximal end portion, opposed side surfaces that extend between the distal and proximal end portions, and top and bottom surfaces configured and adapted to engage vertebral bodies. The top and bottom surfaces have a surface roughness between 3-4 ?m. A cavity extends through the top and bottom surfaces defining a surface area that is at least 25% of a surface area of the top surface or the bottom surface. First orifices are defined through the top surface and second orifices are defined through the bottom surface. The second orifices are connected to the first orifices by a plurality of channel.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: May 26, 2020
    Assignee: K2M, Inc.
    Inventors: Lester Wilson, Thomas Morrison, Hilali Noordeen, Jennifer Moore, Clint Boyd
  • Patent number: 10653461
    Abstract: A rod reducer including a housing defining an opening, a body member defining an opening and a slot, a shaft disposed through the opening of the housing and coupled to the opening of the body member, an anvil including a linkage extending therefrom, the linkage coupled to the body member and the anvil, a plurality of arm members, and a biasing element disposed between the body member and the anvil. A pin of the linkage is slidably disposed within the slot, and the biasing element is configured to bias the anvil distally with respect to the body member. Rotation of the shaft translates into linear movement, relative to the housing, of the shaft, the body member, and the anvil. The arm members are coupled to the housing and movable towards a parallel configuration as the anvil is advanced away from the housing to engage a bone screw.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: May 19, 2020
    Assignee: K2M, Inc.
    Inventors: Kiril Mladenov, Brittany Harwell
  • Patent number: 10624675
    Abstract: A spinal stabilization system includes a spinal rod, a plate, a set screw, and a bone screw. The plate includes a throughhole transitionable between a collapsed and expanded configuration, and a first slot adapted to receive a spinal rod therein. The set screw includes a distal portion having threads to engage with a threaded lumen of a bone screw, and the bone screw including a head portion transitionable between a first diameter and a second diameter. The head of the bone screw insertable into the throughhole and cooperatively transitions between the first diameter and the collapsed configuration to the second diameter and expanded configuration, respectively, as the set screw advances with respect to the bone screw to lock the spinal rod into the slot of the plate in the second diameter and expanded configuration.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: April 21, 2020
    Assignee: K2M, Inc.
    Inventors: Robert Gaines, Kan Min, Brandon Moore
  • Patent number: 10617531
    Abstract: A spinal implant configured for positioning within a space between adjacent vertebral bodies includes an upper end plate including an outer surface extending between first and second end surfaces and opposed side surfaces. The outer surface includes a first convex profile extending between the first and second end surfaces and a second convex profile extending between the opposed side surfaces. The first convex profile and the second convex profile have different curvatures. The spinal implant further includes a lower end plate and a core disposed between the upper and lower end plates and coupled thereto. A method of assembling a spinal implant and a method of performing spinal surgery are also disclosed.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: April 14, 2020
    Assignee: K2M, Inc.
    Inventors: Rick Guyer, Patrick Melton, Nick Padovani, Josh Rubin, Casey Lee
  • Patent number: 10610265
    Abstract: A polyaxial bone device includes a screw, a screw housing, and a spring. The screw includes a screw head and a shaft that extends from the screw head. The screw housing defines a longitudinal axis and a bore that extends along the longitudinal axis. The screw housing includes a basewall and opposed sidewalls that extend from the basewall. The basewall defines a notch that receives the shaft to increase pivotal movement between the screw and the screw housing relative to the longitudinal axis of the screw housing. The opposed sidewalk define a rod-receiving channel. The screw housing defines a transverse hole in communication with the bore. The spring is supported in the transverse hole and extends therethrough. The spring extends into the bore to frictionally engage the screw head while the screw head is seated in the bore.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: April 7, 2020
    Assignee: K2M, Inc.
    Inventors: Timmon Ark, Theo Choi, Keenan O'Brien
  • Patent number: 10610277
    Abstract: A rod bender for bending a surgical rod includes first and second arms. The first arm includes first and second engaging portions. The second arm includes third and fourth engaging portions. The rod bender is reconfigurable between a first configuration in which the second and fourth engaging portions of the respective first and second arms engage the surgical rod such that spreading of the first and third engaging portions of the respective first and second arms bends the surgical rod in a first orientation and a second configuration in which the first engaging portion of the first arm and the fourth engaging portion of the second arm engage the surgical rod such that spreading of the second engaging portion of the first arm and the third engaging portion of the second arm bends the surgical rod in a second orientation opposite to the first orientation.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: April 7, 2020
    Assignee: K2M, Inc.
    Inventors: Frank Schwab, Timmon Ark
  • Patent number: 10582953
    Abstract: A spinal fixation construct for aligning vertebral bodies includes a bone screw, a spinal rod, a flexible member, and a fixation member. The spinal rod is disposed within a saddle portion of a housing of the bone screw, and includes an elongated body having a first end and a second end. The spinal rod is formed from a first material having a first modulus of elasticity. The flexible member is coupled to the spinal rod, and includes an elongated body having a first end portion and a second end portion. The flexible member is formed from a second material having a second modulus of elasticity that is different from the first modulus of elasticity. The fixation member includes a threaded body portion and a head portion defining a hole therethrough. A portion of the flexible member extends through the hole of the head portion.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: March 10, 2020
    Assignee: K2M, Inc.
    Inventors: Gregory Mundis, Han Jo Kim, John Ferguson, Michael Barrus