Patents Assigned to Zimmer Spine, Inc.
  • Patent number: 10603079
    Abstract: A method of inserting a spinal stabilization system into a patient generally comprises inserting a first positioning tool through a first location on a patient's skin and along a path generally toward a first vertebral anchor, coupling an end of the first positioning tool to the first vertebral anchor, positioning at least a portion of a delivery device over a connecting element, and inserting the delivery device and the connecting element through the patient's skin at the first location and along at least a portion of the first positioning tool. The first positioning tool is configured to facilitate directing the delivery device and connecting element generally toward a second vertebral anchor within the patient's body.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: March 31, 2020
    Assignee: Zimmer Spine, Inc.
    Inventors: Mark W Darst Rice, Emmanuel Zylber
  • Patent number: 10537364
    Abstract: A vertebral column correction system for correcting a spinal deformity without fusing the joint segments is disclosed. The vertebral column correction system may have first and second vertebral anchors secured to first and second vertebrae. The vertebral column correction system may further comprise one or more intermediate vertebral anchors secured to vertebrae between the first and second vertebrae. A connection member may be disposed within a head portion of the vertebral anchors. At least a portion of the connection member may be a flexible member, such as a flexible cord, configured for tensioning between at least two vertebral anchors for providing a desired amount of tension to apply a correctional force to the spinal column. A spring member, or other tensioning member, may maintain the tension of the connection member.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: January 21, 2020
    Assignee: Zimmer Spine, Inc.
    Inventor: Hugh D Hestad
  • Patent number: 10426538
    Abstract: A spinal stabilization system may be formed in a patient. In some embodiments, a minimally invasive procedure may be used to form a spinal stabilization system in a patient. Bone fastener assemblies may be coupled to vertebrae. Each bone fastener assembly may include a bone fastener and a collar. Extenders may be coupled to the collar to allow for formation of the spinal stabilization system through a small skin incision. The extenders may allow for alignment of the collars to facilitate insertion of an elongated member in the collars. An elongated member may be positioned in the collars and a closure member may be used to secure the elongated member to the collars. An adjuster may be used in conjunction with the extenders to change a separation distance between the bone fastener assemblies.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: October 1, 2019
    Assignee: Zimmer Spine, Inc.
    Inventors: Robert J. Jones, Charles R. Forton
  • Patent number: 10376293
    Abstract: A system for installing a vertebral stabilization system. The system includes an installation tool including a handle portion and a shaft extending distally from the handle portion. The shaft includes a conduit and a staple mechanism. The system also includes a flexible implant member extending along the conduit configured to be advanced out from a distal end of the shaft, and a staple housed in the staple mechanism. The staple is configured to secure the flexible implant member to a vertebra. The handle portion is configured to selectively advance the flexible implant member from the shaft and to selectively actuate the staple mechanism.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: August 13, 2019
    Assignee: Zimmer Spine, Inc.
    Inventor: Hugh D Hestad
  • Patent number: 10327919
    Abstract: An instrument for use in a procedure for inserting a spinal implant between human vertebrae may include a shaft and an end member. The end member may rotate with respect to the shaft. An angle of the end member with respect to the shaft may be varied when the end member is in a disc space between the human vertebrae. The instrument may include a slide for securing the end member at selected angles relative to the shaft. The end member may be separable from the shalt when the end member is in a selected orientation with the shaft. An instrument kit may include a shaft assembly and modular end members for various steps in a surgical procedure, such as disc space preparation, disc space evaluation, and spinal implant insertion.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: June 25, 2019
    Assignee: Zimmer Spine, Inc.
    Inventors: Margaret M. Hunt, Anthony P Moreno, Scott A. Webb
  • Patent number: 10238435
    Abstract: A system for reduction of vertebral bodies (or vertebrae) in various embodiments includes a reducer, and extender, and a hollow tube. The reducer couples to the extender, which in turn couples to an elongated member, such as a rod, and to a bone fastener assembly. The reducer allows reduction of the vertebral body incrementally, and by a desired amount. The reducer may include or may be used in conjunction with a holding device or holder in order to hold or keep the amount of reduction constant or steady once the desired amount of reduction has been obtained. The reducer may use one of several embodiments, including embodiments that use threaded assemblies or members, inclining members or wedges, offset cams, scissor jacks, and/or levers.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: March 26, 2019
    Assignee: Zimmer Spine, Inc.
    Inventor: Matthew E Seelig
  • Patent number: 10219835
    Abstract: An apparatus (10) includes a fastener (16) engageable with a bone portion to connect a longitudinal member (12) to the bone portion. A housing (40) has a first passage (42) configured to receive the longitudinal member (12) and a second passage (44) extending transverse to the first passage. The fastener (16) extends through an opening (50) in the housing (40) into the second passage (44). A longitudinal axis (18) of the fastener (16) is positionable in any one of a plurality of angular positions relative to a longitudinal axis (46) of the second passage (44). A spacer (60) received in the second passage (44) of the housing (40) is engageable with the fastener (16) and the longitudinal member (12). A member (70) applies a force to prevent relative movement between the fastener (16) and the housing (40) and permit manual movement of the fastener (16) relative to the housing (40) against the force when the longitudinal member (12) is disengaged from the spacer (60).
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: March 5, 2019
    Assignee: Zimmer Spine, Inc.
    Inventor: Alan E. Shluzas
  • Patent number: 10188429
    Abstract: A vertebral fixing system having a flexible elongated member, a connecting part, and an anchor, where the anchor may engage a bone structure (e.g., a vertebra) through an opening of the connecting part and the flexible elongated member may connect to the connecting part. In some cases, the vertebral fixing system may include a tightening part configured to apply a tension to the elongated member and/or secure the elongated member with respect to the connecting part. The vertebral fixing system may be configured to receive a rod and may be capable of connecting thereto. The connecting part may have a plurality of connecting members, where at least one of the connecting members includes an opening for receiving the anchor and at least one of the connecting members connects to the elongated member.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: January 29, 2019
    Assignee: Zimmer Spine, Inc.
    Inventors: Daniel Carlson, Hugh Hestad
  • Patent number: 10182844
    Abstract: A polyaxial bone anchor including a housing, a bone screw, and a retainer for pivotably coupling the head of the bone screw to the housing. The retainer is positioned into the bore of the housing and includes a plurality of alternating tabs and slots circumferentially arranged to define a cavity for receiving the head portion of the bone screw therein. The retainer is axially moveable in the housing from a first position in which the head portion is not passable through the lower opening of the retainer to a second position in which the head portion is passable through the lower opening of the retainer.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: January 22, 2019
    Assignee: Zimmer Spine, Inc.
    Inventors: Alan E Shluzas, Hugh D Hestad
  • Patent number: 10154862
    Abstract: Embodiments described herein provide systems and methods for vertebral reduction using sleeves detachably coupled to collars of bone fasteners. The reduction can be performed during a minimally invasive procedure for implanting spinal stabilization systems. A sleeve can include internal threads that match threads on the respective collar to form a continuous set of threads. Threads on a closure member can be engaged with the threads on the sleeve and the closure member turned to translate the closure member along the sleeve. The closure member can be used to push a rod relative to the collar to which the sleeve is attached to cause a vertebral body to move.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: December 18, 2018
    Assignee: Zimmer Spine, Inc.
    Inventors: Peter Thomas Miller, Charles R. Forton, Bruce A. Riceman, Larry T. Khoo, Reginald J. Davis, Michael Scott Hisey
  • Patent number: 10130394
    Abstract: A spinal stabilization system may be formed in a patient. In some embodiments, a minimally invasive procedure may be used to form a spinal stabilization system in a patient Bone fastener assemblies may be coupled to vertebrae Each bone fastener assembly may include a bone fastener and a collar. The collar may be rotated and/or angulated relative to the bone fastener. Detachable members may be coupled to the collar to allow for formation of the spinal stabilization system through a small skin incision. The detachable members may allow for alignment of the collars to facilitate insertion of an elongated member in the collars. An elongated member may be positioned in the collars and a closure member may be used to secure the elongated member to the collars.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: November 20, 2018
    Assignee: Zimmer Spine, Inc.
    Inventors: Michael E. Landry, Larry T. Khoo, Erik J. Wagner, Charles R. Forton, Robert J. Jones
  • Patent number: 10130396
    Abstract: A uniplanar bone anchor including a housing and a bone screw is provided. The lower region of the housing defines mating elements that mate with engaging elements on the bone screw to limit movement of the housing relative to the bone screw to a single plane.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: November 20, 2018
    Assignee: Zimmer Spine, Inc.
    Inventors: Krishna C Vedula, Hugh D Hestad, Jason Piehl, David Nuckley, Jeremy J. Lemoine
  • Patent number: 10085732
    Abstract: Systems, devices, and methods suitable for use with procedures performed at least partially percutaneously are provided. In some procedures, two or more access devices for providing access to adjacent surgical locations within a patient are used. Certain embodiments of the access device comprise an elongate body having a distal end with one or more cutouts. The cutouts on adjacent access devices are generally aligned with each other to permit passage of a portion of a fixation element from one access device to the other access device. A fastener with an elongated removable head may be delivered to the surgical site through the access device. After a distal end of the fastener is secured to the surgical site, a portion of the elongated housing is detached from the remainder of the fastener and removed from the patient.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: October 2, 2018
    Assignee: Zimmer Spine, Inc.
    Inventors: Gene P. DiPoto, Stephen J. Anderson
  • Patent number: 10052137
    Abstract: A spinal stabilization system may be formed in a patient. In some embodiments, a minimally invasive procedure may be used to form a spinal stabilization system in a patient Bone fastener assemblies may be coupled to vertebrae Each bone fastener assembly may include a bone fastener and a collar. The collar may be rotated and/or angulated relative to the bone fastener. Detachable members may be coupled to the collar to allow for formation of the spinal stabilization system through a small skin incision. The detachable members may allow for alignment of the collars to facilitate insertion of an elongated member in the collars. An elongated member may be positioned in the collars and a closure member may be used to secure the elongated member to the collars.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: August 21, 2018
    Assignee: Zimmer Spine, Inc.
    Inventors: Michael E. Landry, Larry T. Khoo, Erik J. Wagner, Charles R. Forton, Robert J. Jones
  • Patent number: 9968382
    Abstract: A spinal stabilization system may include a pair of structural members coupled to at least a portion of a human vertebra with connectors. Connectors may couple structural members to spinous processes. Some embodiments of a spinal stabilization system may include fasteners that couple structural members to vertebrae. In some embodiments, a spinal stabilization system, provides three points of fixation for a single vertebral level. A fastener may fixate a facet joint between adjacent vertebrae and couple a stabilization structural member to a vertebra. Connectors may couple the structural members to the spinous processes of the vertebrae. Use of a spinal stabilization system may improve the stability of a weakened or damaged portion of a spine. When used in conjunction with an implant or other device, the spinal stabilization system may immobilize vertebrae and allow for fusion of the implant or other device with vertebrae.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: May 15, 2018
    Assignee: Zimmer Spine, Inc.
    Inventors: Margaret E. Mitchell, Michael E. Landry, Stephen H Hochschuler, Richard D. Guyer
  • Patent number: 9937056
    Abstract: A spinal implant for stabilizing first and second vertebrae. The spinal implant includes an intervertebral spacer and a bone stabilization member configured to be coupled to the intervertebral spacer. The bone stabilization member includes a plurality of bone screw openings and a plurality of bone screws extendable through the bone screw openings to secure the bone stabilization member to the vertebrae. A retention member, which is slidably coupled to the bone stabilization member, is linearly slidable between a first position and a second position while coupled to the bone stabilization member. In the first position, each of the bone screws is permitted to be inserted into the bone screw openings, and in the second position the retention member at least partially covers each of the bone screw openings to prevent a bone screw from backing out of the respective bone screw opening.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: April 10, 2018
    Assignee: Zimmer Spine, Inc.
    Inventors: Daniel Carlson, Gregory A Mednikov, Eric W Morris
  • Patent number: 9931149
    Abstract: A driver instrument for engaging and transferring rotational torque to a bone anchor already screwed into a bony structure. The driver instrument may be advanced through an incision while disengaged from the bone anchor and thereafter engaged in a driver socket of the bone anchor. The driver instrument includes an elongate shaft extending distally from a handle, a tapered distal tip, and a driver engagement feature located proximally of the tapered distal tip. The tapered distal tip and the driver engagement feature are configured such that the longitudinal rotational axis of the driver instrument automatically moves into parallel alignment with the longitudinal rotational axis of the bone anchor as the driver engagement feature of the driver instrument is advanced into the driver socket of the bone anchor.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: April 3, 2018
    Assignee: Zimmer Spine, Inc.
    Inventor: Eric P Jerke
  • Patent number: 9888944
    Abstract: A spinal stabilization system generally comprises first and second anchor members configured to be secured to first and second vertebrae within a patient's body, a flexible element secured to the first anchor member, and a rigid element secured to the second anchor member. An end portion of the rigid element is coupled to an end portion of the flexible so that the system is able to provide both rigid and dynamic stabilization. The coupling is maintained even if the flexible element relaxes after a period of time within the patient's body.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: February 13, 2018
    Assignee: Zimmer Spine, Inc.
    Inventors: Emmanuel Zylber, Thomas Egli, Rosemary Thompson, Markus Froehlich, Giuseppe Cicerchia, Jack A. Dant, Thomas O. Viker, Kevin R. Ley
  • Patent number: RE47377
    Abstract: In one embodiment, a spinal stabilization apparatus includes a vertebral anchor having a head portion and a bone attachment portion. An elongate, flexible guide is removably coupled to the head portion of the vertebral anchor and has a channel extending longitudinally thereof and communicating with a slot in the head portion of the anchor. An elongate cord may be received within the channel to facilitate inserting and securing a spacer between pairs of anchors installed into adjacent vertebrae of a person's spine.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 7, 2019
    Assignee: Zimmer Spine, Inc.
    Inventors: Mark W. Rice, Thomas J Gisel, Hugh D Hestad, Mark J Kroll
  • Patent number: RE47646
    Abstract: In one embodiment, a spinal stabilization apparatus includes a vertebral anchor having a head portion and a bone attachment portion. An elongate, flexible guide is removably coupled to the head portion of the vertebral anchor and has a channel extending longitudinally thereof and communicating with a slot in the head portion of the anchor. An elongate cord may be received within the channel to facilitate inserting and securing a spacer between pairs of anchors installed into adjacent vertebrae of a person's spine.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: October 15, 2019
    Assignee: Zimmer Spine, Inc.
    Inventors: Mark W. Rice, Thomas J Gisel, Hugh D Hestad, Mark J Kroll