Patents Assigned to Alphatec
  • Osteotomy Instrument
    Publication number: 20190133648
    Abstract: An osteotomy instrument for compression and/or distraction spinal procedures includes a first leg and a second leg pivotally attached to the first leg. The first leg and the second leg each include a proximal portion, a distal portion with a distal end and a pocket extending within the distal end towards the proximal portion. The distal portion of each leg is configured to rotatably engage a bearing attached to a spine of a patient. The pocket may be generally hemispherical with an inner surface configured to engage the bearing and form a ball-in-socket joint with the bearing.
    Type: Application
    Filed: December 26, 2018
    Publication date: May 9, 2019
    Applicant: Alphatec Spine, Inc.
    Inventors: Ibrahim Obeid, Warren Scott Gareiss, Alexandra Pinkie
  • PIVOTAL BONE ANCHOR ASSEMBLY WITH SNAP-IN-PLACE BIASING BUSHING FOR PRE-LOCK FRICTION FIT
    Publication number: 20190133646
    Abstract: A spinal screw assembly providing an adjustable securement of a fixation rod across at least two vertebrae. The assembly includes a pedicle screw having a spherical head portion, a threaded shaft portion and a tool engagement surface in the head portion for use in driving the screw into a vertebrae. The head portion of the screw is positioned in a body member adjacent a curvilinear surface disposed about an aperture in the end of the body member such that the shaft portion of the screw extends therethrough and the curvilinear inner surface abuts and mates with the head portion of the screw so as to define a ball joint therewith. The body member additionally defines a pair of opposed parallel slots therein adapted to receive a portion of the fixation rod and a locking cap bears against the fixation rod to releasably secure the rod within the assembly.
    Type: Application
    Filed: January 2, 2019
    Publication date: May 9, 2019
    Applicant: Alphatec Spine, Inc.
    Inventors: Thomas Purcell, Don Hair, Tamas T. Frech
  • Pedicle screw with raised root
    Patent number: 10265110
    Abstract: A self-locking screw with a raised root is provided. The self-locking screw has a head, a distal end, and a shaft extending between the head and the distal end. The shaft includes a thread with a plurality of turns so as to define a root, the raised root extending over the root for at least a subset of the plurality of turns proximal to the head. The raised root is removably attached to the root and detaches from the root when the self-locking screw is screwed into a substrate such that the detached raised root binds between the self-locking screw and the substrate and/or becomes embedded within the substrate.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: April 23, 2019
    Assignee: Alphatec Spine, Inc.
    Inventor: Lawrence Williams
  • Fastener retention system for spinal plates
    Patent number: 10258387
    Abstract: A fastener retention system for retaining fasteners within apertures of an orthopedic plate includes a first pocket disposed between two of the apertures in the plate, a blocking member disposed between the two apertures and including a second pocket that forms a cavity with the first pocket, and a spring that expands from a compressed configuration within the first pocket to a decompressed configuration within the cavity.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: April 16, 2019
    Assignee: Alphatec Spine, Inc.
    Inventors: Christopher M. Campbell, Tyler Holschlag
  • Radio transparent retractor system and method of using radio transparent retractor system
    Patent number: 10201342
    Abstract: A retractor system for use in spinal surgical procedures includes at least two retractor blades, each of the at least two retractor blades, a shim and a shim inserter. The shim has an expansion band and the shim inserter is configured to slide the shim between and along the at least two retractor blades and dispose the shim at a distal end of the at least two retractor blades. The shim spreads the at least two retractor blades away from each other when the shim insert slides the shim between and along the at least two retractor blades and the shim prevents the distal end of each of the at least two retractor blades from closing in on each other due to musculature load when the shim is disposed at the distal end of the at least two retractor blades.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: February 12, 2019
    Assignee: Alphatec Spine, Inc.
    Inventor: William Reimels
  • Osteotomy instrument
    Patent number: 10172653
    Abstract: An osteotomy instrument for compression and/or distraction spinal procedures includes a first leg and a second leg pivotally attached to the first leg. The first leg and the second leg each include a proximal portion, a distal portion with a distal end and a pocket extending within the distal end towards the proximal portion. The distal portion of each leg is configured to rotatably engage a bearing attached to a spine of a patient. The pocket may be generally hemispherical with an inner surface configured to engage the bearing and form a ball-in-socket joint with the bearing.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: January 8, 2019
    Assignee: Alphatec Spine, Inc.
    Inventors: Ibrahim Obeid, Warren Scott Gareiss, Alexandra Pinkie
  • Surgical screw
    Patent number: 10172656
    Abstract: A surgical screw configured to expand and prevent or minimize bone growth inside of the surgical screw is provided. Accordingly, the surgical screw is configured to increase the purchase of the surgical screw with respect to the bone, but also to be withdrawn from the bone without damaging the bone as a result of bone ingrowth. The surgical screw includes a center post with an inner bore and an outer sleeve concentric to the center post. An outer surface of the outer sleeve includes a thread to engage bone. The outer sleeve includes a cut pattern defining an expandable region configurable between a first state with a first radius measured from a longitudinal axis of the surgical screw to the outer surface and a second state having a second radius measured from the longitudinal axis to the outer surface.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: January 8, 2019
    Assignee: Alphatec Spine, Inc.
    Inventor: William Reimels
  • Implants and guides for inserting an implant
    Patent number: 10143567
    Abstract: A system and a method for performing a spinal procedure configured to minimize the size of the surgical corridor so as to reduce recovery time is provided. The system and method include an implant and a guide. The guide is configured to be disposed within a surgical corridor formed by an instrument. The instrument is removed wherein the muscles may contract onto the guide so as to reduce the surgical corridor, wherein the implant is slid down the surgical corridor between a pair of guide members.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: December 4, 2018
    Assignee: Alphatec Spine, Inc.
    Inventor: Jonathan T. Costabile
  • Polyaxial bone screw and bushing
    Patent number: 10098669
    Abstract: A polyaxial screw assembly having a threaded shaft, a rod receiver, a bushing, and a deformable tab is provided. The rod receiver includes a side wall forming a proximal end with an interior portion configured to receive a spinal rod and a distal end configured to receive the spherical head. The bushing is disposed between the spherical head and the sidewall of the rod receiver is configured to engage the spinal rod. The deformable tab is within one of the rod receiver and the bushing and engages with the other of the rod receiver and the bushing. The deformable tab may be disposed within the side wall of the bushing. The deformable tab may be configured to apply an axial force along a longitudinal axis of the threaded shaft to increase a friction force between the rod receiver, the bushing, and the spherical head.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: October 16, 2018
    Assignee: Alphatec Spine, Inc.
    Inventor: Robert Byrnes
  • Systems and methods for securely assembling a spinal implant
    Patent number: 10092403
    Abstract: Systems and methods for implanting a spinal implant between two vertebral bodies are provided. The spinal implant may include a main body adapted to rest between and adjacent to the two vertebral bodies, the main body having a cavity therein adapted to hold a filler and a cap adapted to connect to the main body where the cap is connectable after the main body has been inserted between the vertebral bodies and after the filler has been inserted into the cavity of the main body. The cap is securable to the main body by means of a securement member providing for a permanent connection between the main body and the cap.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: October 9, 2018
    Assignee: Alphatec Spine, Inc.
    Inventors: Jonathan T. Costabile, Nathaniel DuBois
  • Spondylolisthesis reduction system
    Patent number: 10070900
    Abstract: An instrument for obtaining spinal rod measurements in situ includes a measurement member, a first indicating member, and a second indicating member. The measurement member measures a length between two spinal implants. The first indicating member couples with the measurement member and includes a first measurement scale coupled with a first shaft for engaging a first spinal implant of the two spinal implants. The second indicating member couples with the measurement member and includes a second measurement scale coupled with a second shaft for engaging a second spinal implant of the two spinal implants.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: September 11, 2018
    Assignee: Alphatec Spine, Inc.
    Inventors: S. Kyle Hayes, Wally Gillespie
  • Interbody fusion implant and related methods
    Patent number: 10034770
    Abstract: An implant for spinal fusion includes a base member, a closure member, pins, and recesses. The base member includes a U-shaped configuration with an open end defined by first and second free ends of first and second side walls extending away from an end wall. The closure member is configured to form an enclosed interior when coupled with the base member. The closure member includes first and second overlapping portions configured to engage the first and second free ends. First and second pins are embedded in a respective one of the first and second free ends. First and second recesses are formed in a respective one of the first and second overlapping portions. The pins cooperate with the recesses to align and frictionally couple the base member with the closure member.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: July 31, 2018
    Assignee: Alphatec Spine, Inc.
    Inventor: Mohammad Etminan
  • Osteotomy instrument
    Patent number: 10028772
    Abstract: An osteotomy instrument includes a handle, a first arm assembly, a second arm assembly, a displacement mechanism, and a tuning mechanism. The first arm assembly is pivotably mounted to the handle. The first arm assembly includes a first fastener support configured to hold a fastener. The second arm assembly is pivotably mounted to the handle. The second arm assembly includes a second fastener support configured to hold a fastener. The displacing mechanism includes a dial disposed on the handle. The displacing mechanism is configured to laterally displace a distal end of the first arm assembly and second arm assembly away and towards each other. The dial actuates the displacing mechanism. The tuning mechanism is configured to change an angular position of the first fastener support with respect to the second fastener support.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: July 24, 2018
    Assignee: Alphatec Spine, Inc.
    Inventor: Nathan Meyer
  • Transverse link having spherical ball joint
    Patent number: 10028774
    Abstract: A transverse link with a pair of opposing engagement members having a spherical ball bearing configured to fix a respective screw extender with respect to each other is provided. The spherical bearing is configured to allow the engagement member to rotate in three dimension so as to accommodate the position of a pair of respective screw extenders. The transverse link includes an automatic latching mechanism configured to fixed the spatial distance between the ends of the rod fixation instruments with respect to each other.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: July 24, 2018
    Assignee: Alphatec Spine, Inc.
    Inventor: Nathan Meyer
  • Systems for vertebral adjustments and rod reduction
    Patent number: 9968386
    Abstract: An instrument for compression and distraction of a vertebral segment and reducing a surgical rod includes a first arm, a second arm, a coupler, and a reducer. The first arm includes a first aperture for receiving a first screw extender that attaches to a first vertebra. The second arm pivotably couples to the first arm and includes a second aperture for receiving a second screw extender that attaches to a second vertebra. The coupler links the first arm to the second arm to position the first arm relative to the second arm for compression and distraction of the first vertebra relative to the second vertebra. The reducer is received within the second aperture for reducing a surgical rod within the second screw extender.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: May 15, 2018
    Assignee: Alphatec Spine, Inc.
    Inventors: Jon Wing, Clark Hutton, Garrett Gleeson, Per Freitag
  • Retractor
    Patent number: 9968347
    Abstract: A retractor device for spearing the body tissue apart is provided. The retractor includes a housing configured to include a plurality of sections, wherein each section is configured to accommodate placement of at least one blade, a blade holding mechanism configured to secure the at least one blade within the housing, a translation mechanism configured to provide translation movement of at least one of the sections, and a rotation mechanism configured to provide rotation movement of at least one blade.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: May 15, 2018
    Assignee: Alphatec Spine, Inc.
    Inventors: Clark Hutton, Thomas Purcell, Christopher Campbell
  • Hook inserter
    Patent number: 9968383
    Abstract: Instruments and systems for performing spinal fixation are provided. The instruments and system configured to position and force fit a hook onto a pedicle bone. The systems include a hook and an instrument. The instrument includes a handle and a rod fixedly mounted to a distal end of the handle. The instrument includes a hook support portion having a hood. The hood includes an opening, a support wall, a post and a threaded knob. The support wall is configured to support the hook. The post has a bottom surface dimensioned similar to that of a spinal rod. The threaded knob is mounted within the opening of the hood and engages a pair of threaded sidewalls of a rod support portion of the hook so as to pull the hook into a fixed engagement with the post, securing the hook support portion to the post.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 15, 2018
    Assignee: Alphatec Spine, Inc.
    Inventor: Alexandra Pinkie
  • Instrument for removing tabs from a reduction screw
    Patent number: 9968394
    Abstract: An instrument for breaking off and retaining the tab of a reduction screw is provided. The instrument includes a breaking arm and a retaining mechanism. The breaking arm is configured to break off an excess portion of the tab of the reduction screw about a weakened section. The retaining mechanism is configured to retain the broken off tab and preventing the tab from falling into a surgical site. The retaining mechanism is further configured to allow the instrument to engage another tab while simultaneously holding a predetermined number of previously broken off tabs. Accordingly, the instrument reduces surgical time as the surgeon may simply move from one reduction screw to another while breaking off the tabs until the instrument can no longer retain additional broken off tabs.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: May 15, 2018
    Assignee: Alphatec Spine, Inc.
    Inventors: Nathan Meyer, Eller Torres
  • Instrument and method for reducing and securing spinal rods
    Patent number: 9943343
    Abstract: A method for reducing a fixation rod is provided. The method minimizes the surgical corridor by performing fixation within the surgical corridor defined by the screw extender. The screw extender is attached to the spinal implant. The method includes the steps of coupling the proximal end of a first cannulated body with the screw extender and rotating a second cannulated body within the first cannulated body. The method proceeds to the step of actuating a rod pusher with a first driving feature so as to engage the rod pusher with the fixation rod. The rod pusher includes a bore. The method proceeds to the step of rotating an inserter shaft within first cannulated body, second cannulated body and bore of the rod pusher, the inserter shaft including a proximal end with a second driving feature and a distal end with a setscrew attachment feature.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: April 17, 2018
    Assignee: Alphatec Spine, Inc.
    Inventors: Nathan Meyer, Anand Parikh
  • Interspinous process spacer apparatus and methods of use
    Patent number: 9936985
    Abstract: An interspinous process spacer includes a main body, a first wing, and a screw. The main body includes a first securing member extending from a top portion of the main body that engages a first vertebra and a bottom portion of the main body that engages a second vertebra. The first wing pivotably couples to a distal portion of the main body and includes a second securing member extending parallel to the first securing member to form a first clamp. The screw is positionable within the main body and includes a distal end that positions the first wing between a first position and a second position. The first clamp includes a first diameter in the first position and a second diameter in the second position.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: April 10, 2018
    Assignee: Alphatec Spine, Inc.
    Inventor: William Reimels