Patents Assigned to K2M
  • Spinal implant
    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
  • Rod reducer
    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
  • Spinal stabilization system
    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
  • Cervical disc and instrumentation
    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
  • Polyaxial bone screw with increased angulation
    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
  • Surgical rod bender
    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
  • Spinal fixation construct and methods of use
    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
  • Surgical system, device, and method for implanting a surgical device without the use of a guide wire
    Patent number: 10575889
    Abstract: The present invention relates to a system, method, device and kit which utilize a modular pedicle screw implant that does not require the use of a guide wire for implantation and can be assembled in situ. The system, method, device, and kit include a surgical instrument for implanting a modular pedicle screw comprising a cannula coaxially aligned with a modified trocar style instrument or surgical shaft. The surgical shaft contains a first member of a surgical shaft-inner pedicle bone screw member joint, illustrated herein as a locking taper, for securing an inner member of a pedicle screw thereto. The inner member of a pedicle screw is further adapted to couple to an outer pedicle sheath. In combination, the inner member of a pedicle screw and the outer pedicle sheath form a solid modular pedicle screw.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: March 3, 2020
    Assignee: K2M, Inc.
    Inventor: Raphael Roybal
  • Spinal stabilization assemblies with bone hooks
    Patent number: 10575876
    Abstract: A spinal stabilization assembly includes a first hook assembly, a second hook assembly, and a connector member. The first hook assembly has a receiver and a hook member that extends from the receiver. The receiver defines a rod-receiving slot configured to receive a spinal rod. The hook member defines an aperture and includes a hook. The aperture is supported between the rod-receiving slot and the hook. The connector member is secured to the second hook assembly and receivable in the aperture of the first hook assembly to couple the first and second hook assemblies together.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: March 3, 2020
    Assignee: K2M, Inc.
    Inventors: Aki Puryear, Brandon Moore
  • Surgical instrument and methods of use thereof
    Patent number: 10561504
    Abstract: A surgical instrument includes a housing, an outer shaft, an inner shaft, a trial sizer, a rod, and a head. The outer shaft is operatively coupled with the housing such that rotation of the housing causes axial displacement of the outer shaft. The outer shaft includes a keel cutter configured to form a channel in a vertebral body. The inner shaft disposed within the outer shaft. The trial sizer is configured to be received in intervertebral space. The trial sizer includes a pair of wings transitionable between a retracted position and an extended position in which the pair of wings extends transversely outward. The head is connected to the rod, wherein the head is operatively coupled with the pair of wings such that axial displacement of the rod causes transition of the pair of wings between the retracted and extended positions.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: February 18, 2020
    Assignee: K2M, Inc.
    Inventors: Nick Padovani, Josh Rubin
  • Tethering screw system
    Patent number: 10548639
    Abstract: A tethering screw system includes a bone screw, a fastening member, and a securing member. The bone screw includes a threaded shank and a head portion. The head portion includes inner walls defining a slot and a recess distal of the slot. The fastening member is received in the recess of the head portion of the bone screw. The securing member has an engaging portion and a set screw rotatably coupled with the engaging portion. The engaging portion is configured to secure the fastening member in the recess of the head portion. The set screw is configured to threadably engage the inner walls of the head portion of bone screw, wherein when the set screw threadably engages the inner walls of the head portion of the bone screw, the engaging portion advances relative to the fastening member to secure the fastening member in the recess of the head portion.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: February 4, 2020
    Assignee: K2M, Inc.
    Inventors: Laurel Blakemore, Catherine Ross
  • Rotation shaft for a rod reducer
    Patent number: 10524843
    Abstract: A rotation shaft includes a body, a threaded rod, an anvil, a linkage, and a biasing member. The body includes a threaded portion disposed along an inner surface of a longitudinal throughhole. The threaded rod includes a distal end, the threaded rod configured to engage the threaded portion. The anvil is coupled to the distal end of the threaded rod. The linkage is coupled to the anvil. The biasing member is partially disposed about the linkage distal of the anvil, wherein rotation of the threaded rod translates into linear movement of the linkage relative to the body.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: January 7, 2020
    Assignee: K2M, Inc.
    Inventors: Kiril Mladenov, Brittany Harwell, Brandon Moore
  • Device and method for correcting a spinal deformity
    Patent number: 10512490
    Abstract: A method for correcting a spinal deformity is provided. A spinal implant for correcting a spinal deformity includes a multipoint connector that connects to at least one vertebra of a spine at a plurality of locations and a force directing device that applies a force to the vertebra through the multipoint connector. The force directing device may include a rod which extends generally along an axis of the spine and a force directing member which is adjustably coupled to both the rod and the multipoint connector and which applies a corrective force to the at least one vertebra.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: December 24, 2019
    Assignees: Albany Medical College, K2M, Inc.
    Inventors: Allen L. Carl, Dan Sachs
  • Adjustable spinal implant
    Patent number: 10500061
    Abstract: An adjustable spinal implant includes a fixed segment that slidably supports a locking segment and pivotally supports an upper segment and a lower segment relative to one another. The locking segment translates within a channel defined by the fixed segment between locked and unlocked positions. In the locked position, the upper and lower segments are fixed relative to one another and to the fixed segment. In the unlocked position, the upper and lower segments are pivotal relative to one another and to the fixed segment. The adjustable spinal implant includes a locking mechanism including a locking screw to translate the locking segment between locked and unlocked positions.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: December 10, 2019
    Assignee: K2M, Inc.
    Inventors: Jennifer Moore, Stephen Truesdell
  • Orthopedic surgical system including surgical access systems, distraction systems, and methods of using same
    Patent number: 10499894
    Abstract: A surgical access system includes a connector including an arm having first and second end portions, a coupling element having a body portion defining a cavity therein, and a gear assembly. The gear assembly includes a first gear disposed within the cavity of the coupling element and a second gear non-rotatably disposed at the first end portion of the arm. The first and second gears are meshingly engaged with each other such that rotation of the first gear results in rotation of the second gear which, in turn, causes the arm to pivot with respect to the coupling element.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 10, 2019
    Assignee: K2M, Inc.
    Inventor: Keenan O'Brien
  • Spinal fixation system
    Patent number: 10499957
    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: February 26, 2018
    Date of Patent: December 10, 2019
    Assignee: K2M, Inc.
    Inventors: Scott Jones, Oheneba Boachie-Adjei, Larry McClintock, Kevin Strauss, John Carbone
  • Minimally open retraction device
    Patent number: 10485529
    Abstract: A retractor having a pair of blades is disclosed. A ring having an opening is attached to one end of the blades. The blades define a channel therebetween. The blades may be pivotally coupled to the ring. The retractor may have at least two conditions. In a first condition, the retractor is insertable through an incision in a patient's skin to an operative site. In a second condition, the retractor may be manipulated for retracting tissue surrounding the operative site. Instruments, prostheses, or tissue may be inserted or removed through the channel of the retractor.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: November 26, 2019
    Assignee: K2M, Inc.
    Inventors: Kevin R. Strauss, Josef Gorek, Larry McClintock, John Kostuik
  • Rod reducing device
    Patent number: 10485590
    Abstract: A rod reducer includes a housing, an anvil, a locking anvil configured to engage a locking plug of a bone screw assembly, an arm assembly, a reducing screw extending through the housing and rotatably coupled with the anvil, and a locking screw extending through the housing and rotatably coupled with the locking anvil. The arm assembly includes an arm hingedly coupled to the housing, and first and second grasping members configured to engage the bone screw assembly. The first and second grasping members are hingedly coupled to the housing and extend through the anvil. Rotation of the reducing screw transitions the arm assembly between an open position, in which, distal portions of the arm and the first and second grasping members are radially expanded, and a closed position, in which, the distal portions of the arm and the first and second grasping members are radially contracted.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: November 26, 2019
    Assignee: K2M, Inc.
    Inventors: Kan Min, Brian Kunes
  • Flexible fastening system
    Patent number: 10470803
    Abstract: A flexible implant system includes a flexible implant, an implant housing, and an implant set screw. The flexible implant is configured to loop around a portion of a bony element. The implant housing includes a housing body defining a rod passage configured to receive a rod. The housing body also defines an implant passage that receives a portion of the flexible implant. The implant set screw engages the flexible implant within the implant passage to fix the flexible implant to the implant housing.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: November 12, 2019
    Assignee: K2M, Inc.
    Inventors: Behrooz Akbarnia, Burt Yaszay, Brandon Moore, Stuart Weikel, Clint Boyd
  • Expandable spinal implants
    Patent number: 10441430
    Abstract: A spinal implant has proximal and distal regions, and includes upper and lower bodies. A proximal adjustment assembly is disposed between the upper and lower bodies in the proximal region of the spinal implant and is adjustably coupled to the upper and lower bodies, and a distal adjustment assembly is disposed between the upper and lower bodies in the distal region of the spinal implant and is adjustably coupled to the upper and lower bodies. The proximal and distal adjustment assemblies are independently movable with respect to each other, both concurrently and alternately, to change a vertical height of at least one of the proximal or distal regions of the spinal implant. A set screw is removably disposed within the proximal region of the spinal implant to lock the vertical height of the proximal and distal regions of the spinal implant.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: October 15, 2019
    Assignee: K2M, Inc.
    Inventors: Steven Ludwig, Scott Dhupar, Sabatino Bianco, Khalid Abbed, Egon Doppenberg, Jennifer Moore, John Donohoe, Scott Jones