With Head Of Fastener Attachable To Longitudinal Rod Patents (Class 606/265)
  • Patent number: 10245078
    Abstract: A polyaxial bone screw assembly includes a threaded shank body having an upper portion, a receiver member or head, a retaining and articulating structure, and a pressure insert disposed between the shank upper portion and a rod. The receiver has a U-shaped cradle defining a channel for receiving a spinal fixation rod and a receiver cavity. The retaining and articulating structure attaches to the shank and rotates with the shank in the cavity during positioning. The pressure insert presses upon the shank upper portion and not the retaining and articulating structure.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: April 2, 2019
    Inventor: Roger P. Jackson
  • Patent number: 10195047
    Abstract: Systems and methods of treating spinal deformity, including one or more intervertebral implants to be introduced laterally into respective intervertebral spaces, a plurality of bone screws introduced generally laterally into vertebral bodies adjacent to the intervertebral implants and/or the intervertebral implants themselves, and a cable dimensioned to be coupled to the bone screws and manipulated to adjust and/or correct the spinal deformity.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: February 5, 2019
    Assignee: NuVasive, Inc.
    Inventors: G. Bryan Cornwall, Jonathan Spangler
  • 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: 10004540
    Abstract: A bone screw includes a screw head and a seating sleeve or tulip on the screw head. The bone screw includes two sleeve flanks having a thread. A seat for a rod for surgical connection of adjacent bone screws is formed between the sleeve flanks. On at least one of the sleeve flanks, a guide surface extending in the circumferential direction for a clamping screw to be screwed into the thread is configured on the run-in side, with the guide surface offset in the radial direction vis-à-vis the thread diameter of the female thread.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: June 26, 2018
    Assignee: Aesculap AG
    Inventor: Sven Krüger
  • Patent number: 9895175
    Abstract: Embodiments of a bony implant extension arm breakoff tool are described. The tool may enable a surgeon to break a section of a bony segment implant extension located in a transdermal location within a patient. Other embodiments may be described and claimed.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: February 20, 2018
    Inventors: Chase D. Tipping, Thomas Loftus
  • Patent number: 9883892
    Abstract: A polyaxial bone screw assembly includes a threaded shank body having an integral upper portion receivable in an integral receiver, the receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity cooperating with a lower opening. A down-loadable compression insert, a down-loadable friction fit split retaining ring having inner and outer tangs and an up-loadable shank upper portion cooperate to provide for pop- or snap-on assembly of the shank with the receiver either prior to or after implantation of the shank into a vertebra. The shank and receiver once assembled cannot be disassembled.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: February 6, 2018
    Inventor: Roger P. Jackson
  • Patent number: 9737340
    Abstract: An adjustable offset connector for connecting iliac screws to fixation rods. The connector includes an adjustable offset rod to facilitate mating the rod with the tulip of the iliac screws and an anti-torque mechanism designed to resist torque and securely lock the offset rod in position and provide a strong, stable connection.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: August 22, 2017
    Assignee: NuVasive, Inc.
    Inventor: Jeffrey M. Seago
  • Patent number: 9549765
    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: April 3, 2014
    Date of Patent: January 24, 2017
    Assignee: Zimmer Spine, Inc.
    Inventors: Krishna C. Vedula, Hugh Hestad, Jason Piehl, David Nuckley, Jeremy Lemoine
  • Patent number: 9453526
    Abstract: Anchor assemblies useful for connecting structures to each other are described. An anchor assembly includes a head member and an anchor. In the fully assembled anchor assembly, the anchor is partially disposed within the head member. During assembly, the proximal end of the anchor can be inserted into an opening defined by a distal end of the head member. A retaining member maintains a portion of the anchor within a portion of the head member after assembly. In an embodiment, a compression member enables movement of the retaining member within the head member to allow insertion of a portion of the anchor and subsequent maintenance of the portion of the anchor within a portion of the head member.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: September 27, 2016
    Assignee: DeGen Medical, Inc.
    Inventors: Craig Black, Rakesh P. Chokshi, Willie S. Edwards
  • Patent number: 9308028
    Abstract: A polyaxial screw body includes a side wall defining a lumen having a first end and a second end. An opening disposed at the first end of the lumen, includes an interior surface disposed in the side wall thereabout. The interior surface is adapted to accommodate a head portion of a pedicle screw. A transverse channel extends from a first aperture through the side wall to a second aperture and is adapted to accommodate a portion of a fixation rod therebetween. A lateral connector extending integrally from the side wall.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: April 12, 2016
    Assignee: ALPHATEC SPINE, INC
    Inventors: Thomas Purcell, Darren Reimers
  • Patent number: 9149315
    Abstract: An anti-splay apparatus having a bridge and frangible connection points for use with mechanical fasteners having a shank portion and a receiving member with opposing arms is provided. The bridge may take a number of forms including a ring, a notched ring, a tube, or a notched tube and the connection points join the opposing arms of the receiving member with the bridge. Also provided is the anti-splay apparatus also having tabs connected between frangible connection points.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: October 6, 2015
    Assignee: BLACKSTONE MEDICAL, INC.
    Inventors: Mark E. Semler, Bruce Frankel
  • Publication number: 20150148845
    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: Application
    Filed: January 23, 2015
    Publication date: May 28, 2015
    Inventors: Michael E. Landry, Larry T. Khoo, Erik J. Wagner, Charles R. Forton, Robert J. Jones
  • Patent number: 9034018
    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: September 23, 2011
    Date of Patent: May 19, 2015
    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: 9023086
    Abstract: A receiving part for coupling a rod to a bone anchoring element includes a receiving part body including a rod receiving portion having a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible for inserting and clamping of the head; and a locking ring around the head receiving portion, wherein in a pre-locking position, a spring portion on one of the locking ring or the receiving part body engages a corresponding portion on the other one of the locking ring or the receiving part body, and the locking ring exerts a first force onto the head receiving portion, and wherein in a locking position, the locking ring exerts a second force greater than the first force onto the head receiving portion to lock the head therein.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: May 5, 2015
    Assignee: Biedermann Technologies GmbH & Co. KG
    Inventors: Lutz Biedermann, Wilfried Matthis, Berthold Dannecker
  • Patent number: 9011449
    Abstract: A pedicle screw and rod fixation assembly including a pair of opposing tabs having a proximal end and a distal end, the pair of opposing tabs being coupled to one another about the distal end thereof by a screw head member, a decoupling mechanism for decoupling the pair of opposing tabs from the screw head member, a rod receiving slot between the pair of opposing tabs, and a sliding member configured for coupling to the pair of opposing tabs. The sliding member and the pair of opposing tabs are configured for allowing movement of the sliding member distally along the pair of opposing tabs and preventing movement of the sliding member proximally along the pair of opposing tabs.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: April 21, 2015
    Inventor: Scott Cochran
  • Patent number: 8998965
    Abstract: A bone anchoring device includes a receiving part for receiving a rod, the receiving part having a first bore coaxial with a longitudinal axis and a second bore. The bone anchoring device also includes an anchoring element having a first end for insertion into the bone and a second end positionable within a second bore, the second end having a spherically shaped surface portion. The bone anchoring device further has a locking device provided to the second bore of the receiving part. The locking device protrudes from an inner wall of the second bore and engages with a recessed surface portion of the second end of the anchoring element, such that the anchoring element is pivotable relative to the receiving part around a single axis of rotation. The locking device may comprise pins inserted into through holes formed in the receiving part, which engage with the recessed surface portion of the second end.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: April 7, 2015
    Assignee: Biedermann Technologies GmbH & Co. KG
    Inventors: Lutz Biedermann, Wilfried Matthis
  • Patent number: 8998958
    Abstract: An instrument includes components configured to secure a locking device inside a rod fixation assembly. In one embodiment, an instrument includes an outer sleeve and a pusher member arranged telescopically within the outer sleeve. A drive assembly cooperatively engages the pusher member. In another embodiment, an instrument includes an outer sleeve, a pusher member arranged telescopically within the outer sleeve, and a pair of drive assemblies. A first drive assembly engages the pusher member to distally advance the pusher member under a first loading. A second drive assembly also engages the pusher member to distally advance the pusher member under a second loading, the second loading being substantially greater than the first loading. In another embodiment, a method for reducing and locking a spinal rod includes the step of advancing a locking element while the locking element is retained in a fixed orientation.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: April 7, 2015
    Assignee: Aesculap Implant Systems, LLC
    Inventors: Andrew Dauster, Matthew Kovach, Paul Weaver
  • Publication number: 20150094769
    Abstract: A system for interfacing a first spinal support rod to a second spinal support rod may optionally comprise a rod interface device configured to receive a portion of the first rod and grip a portion of the second rod to secure the second rod to the first rod. The system may optionally comprise a screw interface device configured to receive a portion of the first rod and configured to mount on a head portion of a pedicle screw.
    Type: Application
    Filed: October 1, 2013
    Publication date: April 2, 2015
    Inventor: HAMID ABBASI
  • Publication number: 20150088202
    Abstract: The present disclosure relates, according to some embodiments, to a spinal fixation system comprising a bone screw, a body, and a pressure cap. The bone screw may comprise a head at a proximal end and a bone connection element at a distal end. The body may comprise a proximal end, a distal end, a mounting rod receiving channel at the proximal end and a bone screw head receiving channel at the distal end. A proximal end of the pressure cap may comprise two side walls disposed apart from each other and one biasing member on each side wall. A distal end of the pressure cap may comprise a surface operable to contact at least a portion of the head of the bone screw. The pressure cap may be operable to exert pressure on the bone screw when a mounting rod is biased against the proximal end of the pressure cap.
    Type: Application
    Filed: September 25, 2013
    Publication date: March 26, 2015
    Applicant: BLACKSTONE MEDICAL, INC.
    Inventor: Jose Luis Charvet
  • Publication number: 20150080956
    Abstract: A pedicle screw system that includes a pedicle screw and a collar. The pedicle screw includes an insertion portion, a shaft portion that extends from the insertion portion, and a head portion that is attached to the shaft portion. The head portion has a diameter that is larger than the shaft portion. The collar includes a first aperture and a second aperture. The first aperture and the second aperture are both adapted to receive the head portion. The first aperture includes a first aperture section and a second aperture section. The first aperture section is larger than the head portion. The second aperture section is smaller than the head portion.
    Type: Application
    Filed: September 17, 2014
    Publication date: March 19, 2015
    Inventor: Gary D. Fleischer
  • Publication number: 20150066089
    Abstract: A spinal rod persuader, system and method can include an outer tube, an inner tube, and a locking element. A first actuation mechanism can be movable in a linear fashion along a longitudinal axis direction to cause the locking element to move in a linear fashion over the inner tube and to lock the inner tube onto a pedicle screw. A second actuation mechanism can be rotated to cause the outer tube to move in a longitudinal axis direction with respect to the inner tube to push the spinal rod into a final position with respect to the pedicle screw while the pedicle screw is locked to the inner tube. A slot and/or tab structure can be provided in the outer tube such that actuation of the slot/tab will allow disassembly of the inner tube, outer tube and locking element with respect to each other.
    Type: Application
    Filed: September 4, 2013
    Publication date: March 5, 2015
    Applicant: AESCULAP IMPLANT SYSTEMS, LLC
    Inventors: GREGORY NELSON, DENNIS B. VAN BLARGAN, JAMES D. HUGHETT
  • Patent number: 8945187
    Abstract: A vertebral rod for stabilizing a patient's spine. The rod may include an elongated body with first and second ends and have an elongated cross-sectional shape with a major axis and a minor axis and a centroid positioned at an intersection of the axes. First and second longitudinal channels may extend through the body. The channels may be spaced apart and contained within the body. The body may have a first flexural rigidity along the major axis and a different second flexural rigidity along the minor axis.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: February 3, 2015
    Assignee: Warsaw Orthopedic, Inc.
    Inventors: Jeff R. Justis, Fred J. Molz, IV, Michael C. Sherman
  • Publication number: 20150032161
    Abstract: An adjustable occipital plate includes a fixation plate, at least one lateral rod configured to be coupled to said fixation plate, at least one laterally sliding link configured to be coupled to and configured to be compressed around said at least one lateral rod to create a friction fit, and at least one rod connector coupled to said at least one laterally sliding link that is configured to receive at least one posterior cervical rod.
    Type: Application
    Filed: October 10, 2014
    Publication date: January 29, 2015
    Inventors: Thomas Purcell, Frank Eismont
  • Publication number: 20150032159
    Abstract: A system for anchoring a pedicle screw in a patient's vertebra uses a pedicle screw having a threaded portion sinkable in the vertebral arch. The space between the threaded portion and cortical edge layer of the pedicle is at least partially filled by a spacer that enables an all-round support of the threaded portion at the cortical edge layer. A kit includes a pedicle screw and a spacer which at least partially fills the space between the threaded portion and cortical edge layer of the pedicle. A spacer has an essentially oval cross-section for form-locking fit in a corresponding axial recess sunk in the pedicle and having an axial through-hole to accommodate the threaded portion of a pedicle screw, as well as a spacer in the form of an essentially cylindrical pedicle augmentation in the form of a bone screw or a bone bracket.
    Type: Application
    Filed: July 21, 2014
    Publication date: January 29, 2015
    Inventors: Jens Beger, Susanne Klingseis
  • Publication number: 20150032160
    Abstract: In one embodiment, the present invention includes a bone fixation assembly comprising a coupling element and a bone anchor. The coupling element has an upper surface with a first diameter defining a first bore extending along a first axis, a lower surface with a second diameter defining a second bore extending along a second axis, and an internal surface area defining a seating portion adjacent to the lower surface. The bone anchor has an insertion end opposite of a head. The head may be curved for receipt within the seating portion. The second diameter of the second bore may be greater than the first diameter of the first bore or vice versa. Likewise, the first and second axes may intersect such that the first and second bores are in communication with one another. Related elements and systems of this assembly are also disclosed.
    Type: Application
    Filed: September 25, 2014
    Publication date: January 29, 2015
    Inventors: John Carbone, Aaron Markworth, Michael Horan, Yves Stephane Crozet
  • Patent number: 8926669
    Abstract: There is provided a modular polyaxial pedicle screw assembly that includes various components which may be configured in various manners so as to provide different functionalities to the pedicle screw assembly. This advantageously decreases surgery time, reduces repetitive and tedious surgical steps, and allows for streamlining inventory of expensive medical equipment. In one embodiment, a pedicle screw assembly includes a pedicle screw, a rod holding element, a polyaxial insert, a rod, and a set screw. The pedicle screw includes a threaded shaft and a cap. The rod holding element includes a screw hole, an insert bearing area, a chamber, chamber walls, a saddle area, and a threading area. The insert is disposed within the chamber, and the insert defines a bearing surface, an upper surface, side walls and a receiving area.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: January 6, 2015
    Assignee: The Center for Orthopedic Research and Education, Inc.
    Inventors: Marc C. Jacofsky, A. Joshua Appel
  • Publication number: 20140379030
    Abstract: A hinged bone screw and tool set is used for implanting such bone screws in a human spine, followed by the implantation of a longitudinal connecting member into the bone screws. The hinged bone screw includes a shank with an upper portion and a receiver with integral arms forming a U-shaped channel. A lower curved seat partially defining the U-shaped channel cooperates with an upper portion of the bone screw shank for hinged movement of the shank with respect to the receiver. The tool set includes an insertion tool, a bone screw driver, a reduction tool and a closure starter. The insertion tool includes a bone screw attachment structure and a laterally opening channel. The insertion tool further includes a threaded portion for cooperation with the reduction tool to provide synchronized placement of a closure structure in the bone screw receiver while reducing and capturing a longitudinal connecting member within the receiver.
    Type: Application
    Filed: September 10, 2014
    Publication date: December 25, 2014
    Inventor: Roger P. Jackson
  • Publication number: 20140364915
    Abstract: A system includes a first pedicle screw, a second pedicle screw, and an adjustable rod having an outer housing coupled to one of the first pedicle screw and the second pedicle screw, the outer housing having a threaded shaft secured to one end thereof extending along an interior portion thereof. The system further includes a hollow magnetic assembly disposed within the outer housing and having a magnetic element disposed therein, the hollow magnetic assembly having an internal threaded surface engaged with the threaded shaft, the magnetic assembly being coupled to the other of the first pedicle screw and the second pedicle screw, wherein the hollow magnetic assembly rotates in response to an externally applied magnetic field to thereby lengthen or shorten the distance between the first pedicle screw and the second pedicle screw.
    Type: Application
    Filed: October 31, 2012
    Publication date: December 11, 2014
    Applicant: ELLIPSE TECHNOLOGIES, INC.
    Inventors: Brad Culbert, Scott Pool, Blair Walker, Arvin Chang, Peter P. Tran
  • Patent number: 8906067
    Abstract: A spinal fixation device may include a bone anchoring member, a rod receiver, and an connection member. The rod receiver may include a channel for receiving a rod projection from a first adjacent fixation assembly. The rod receiver may have a central axis such that the channel is generally perpendicular to the central axis. The connection member may have a rod projection configured to extend to a second adjacent fixation assembly. The rod receiver may be coupled to the connection member and rotatable about the central axis of the rod receiver. The interior fixation assembly may be axially fixed such that the bone anchoring member, the rod receiver and the connection member are not translatably movable relative to each other.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: December 9, 2014
    Assignee: Warsaw Orthopedic, Inc.
    Inventors: Vincent C. Traynelis, Gregory Marik, Bradley Coates
  • Patent number: 8900273
    Abstract: A fixation system is designed to lock an elongated member within a housing member, permitting positional and/or orientational adjustment of the elongated member prior to locking. The system includes a housing member, a slotted spherical collet, an elongated member, and may include a tapered wedge, which may be a discrete component or formed as part of the elongated member. The housing member and/or elongated member may be implantable. The elongated member may be positioned in the wedge, the wedge in the collet, and the collet in the housing such that when compression force is applied to the wedge and the collet, the wedge contracts about the elongated member and the collet expands to engage the housing, thus locking the elongated member relative to the housing. The collet may have a tapered channel with a degree of taper equal to the tapered wedge. The collet may have multiple slots to allow uniform radial expansion and compression.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: December 2, 2014
    Assignee: GMEDelaware 2 LLC
    Inventors: Andrew R. Fauth, Daniel J. Triplett, Joel R. Helgerson
  • Publication number: 20140350603
    Abstract: A polyaxial screw body includes a side wall defining a lumen having a first end and a second end. An opening disposed at the first end of the lumen, includes an interior surface disposed in the side wall thereabout. The interior surface is adapted to accommodate a head portion of a pedicle screw. A transverse channel extends from a first aperture through the side wall to a second aperture and is adapted to accommodate a portion of a fixation rod therebetween. A lateral connector extending integrally from the side wall.
    Type: Application
    Filed: August 7, 2014
    Publication date: November 27, 2014
    Inventors: Thomas Purcell, Darren Reimers
  • Patent number: 8882817
    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.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: November 11, 2014
    Assignee: K2M, Inc.
    Inventors: Scott Jones, Oheneba Boachie-Adjei, Larry McClintock, Kevin Strauss, John Carbone
  • Patent number: 8876867
    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: June 24, 2009
    Date of Patent: November 4, 2014
    Assignee: Zimmer Spine, Inc.
    Inventor: Hugh D. Hestad
  • Patent number: 8845700
    Abstract: A bone screw assembly includes a screw body, including anchor portion and rod-receiving portion, and a rod seat movably mounted in the screw body to allow for controlled angulation between a spinal connection element disposed in the rod seat and the screw body. The rod seat is pivotable in one or more selected directions about one or more axes relative to the screw body. The rod seat may include a first lower rod seat element disposed in a recess of the screw body having a cylindrical bottom surface to facilitate pivoting in a first direction. A second lower rod seat element is stacked on the first lower rod seat element and has a conical bottom surface abutting a top surface of the first lower rod seat element to facilitate pivoting in a second direction.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: September 30, 2014
    Assignee: DePuy Synthes Products, LLC.
    Inventors: Seungkyu Daniel Kwak, Nam T. Chao, Andrea Burke
  • Publication number: 20140277151
    Abstract: Systems and methods for manipulating a spinal construct are provided herein. In general, the system includes first and second sleeves extending from vertebrae and a fulcrum that can be releasably coupled to the sleeves. In certain aspects, the fulcrum can receive a portion of the sleeves therein and can allow the sleeves to pivot about the fulcrum in response to an applied force. The fulcrum can releasably couple to the sleeves in a variety of ways, and a position of the fulcrum relative to the sleeves can vary depending on whether there is an applied distracting, compressing, and/or derotating force. In some embodiments, user can manipulate the first and second sleeves relative to the fulcrum, using one hand, to distract, compress, and/or derotate the vertebrae.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Inventor: DePuy Synthes Products, LLC
  • Publication number: 20140277152
    Abstract: Disclosed herein are a hook with rotating saddle and a rotatable mono axial pedicle screw. In an embodiment, the disclosed hook may include at least one body comprising a hook member and a saddle member. The hook member and saddle member may be rotatably mounted to one another so as to rotate with respect to each other only about a common axis, and the saddle member may be configured for connection to an end of a connecting member. A surgical screw system may include receiver and screw members engagable with one another such that when engaged, only rotation of the receiving member about the longitudinal axis of the screw member and restrain against substantially all other translational or rotational movement.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: BLACKSTONE MEDICAL, INC.
    Inventors: Michael Hammer, Tara Ziolo
  • Patent number: 8834531
    Abstract: A method of providing spinal stabilization is provided herein. More specifically, the method includes positioning a plurality of fixation assemblies within a plurality of vertebrae in a trans-lamina orientation wherein each fixation assembly includes a proximal portion configured to securely receive a stabilization element (e.g., a stabilization rod). The proximal portions of the various fixation assemblies can be aligned so as to secure at least one stabilization element in a desired position (e.g., along and above a midline of the patient's spine, adjacent and parallel to the midline). A system for providing spinal stabilization is also provided which utilizes trans-lamina delivery and positioning of fixation assemblies within target vertebrae thereby providing stronger fixation and a significant reduction in associated tissue damage.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 16, 2014
    Assignee: DePuy Synthes Products, LLC
    Inventors: Bradford L. Currier, Carl Lauryssen, Michael O'Brien, Gerard M. Towns
  • Patent number: 8834541
    Abstract: A bone fixation assembly comprises a tulip-shaped assembly and a bone fixation device such as a surgical or pedicle screw, comprising a head and a bone fixation portion. The tulip assembly comprises an upper portion to receive a rod and a lower portion that has a cavity in which the head of the bone fixation device rests. The cavity has an aperture below. The aperture has a length through which the tulip assembly may slide with respect to the bone fixation device, for movement of the tulip assembly when the bone fixation device is in place, while also maintaining the angular movement of the tulip assembly. The bone fixation device may comprise an aperture engaging part, which locks the bone fixation device position on the aperture length. A tulip assembly translation mechanism comprises a head, a cavity, an aperture to the cavity.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: September 16, 2014
    Inventor: Héctor Anselmo Vargas Soto
  • Patent number: 8834540
    Abstract: A polyaxial screw body includes a side wall defining a lumen having a first end and a second end. An opening disposed at the first end of the lumen, includes an interior surface disposed in the side wall thereabout. The interior surface is adapted to accommodate a head portion of a pedicle screw. A transverse channel extends from a first aperture through the side wall to a second aperture and is adapted to accommodate a portion of a fixation rod therebetween. A lateral connector extending integrally from the side wall.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: September 16, 2014
    Assignee: Alphatec Spine, Inc.
    Inventors: Thomas Purcell, Darren Reimers
  • Patent number: 8828059
    Abstract: Apparatus and methods include an elongate connecting element including a body extending along a longitudinal axis between a first end and an opposite second end. The connecting element includes a first end portion at its first end and a second end portion at its second end. The connecting element includes a length between the first and second ends sized to extend between and be engaged to first and second anchors engageable to bony portions of the spinal column. The first and second end portions are positioned on opposite sides of the first and second anchors and project outwardly from the body of the connecting element to capture the first and second anchors between the first and second end portions.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: September 9, 2014
    Assignee: Warsaw Orthopedic, Inc.
    Inventors: Bradley E. Steele, Matthew Van Nortwick, Daniel Paxton Wall, Richard Quinn Brown
  • Publication number: 20140228888
    Abstract: In a fixation system for controlling the alignment of adjacent vertebra after spinal surgery, aligned fixation rods are held in a mount on each of such vertebra, with their juxtaposed ends received in a sleeve between the mounts. At least one of the rods is movable in the sleeve relative to the other to allow controlled movement of adjacent vertebra. In some embodiments, the sleeve can itself be held in a mount installed on one of such vertebra with the aligned fixation rods being capable of relative movement therein. The system allows the spine to grow without the need for further surgery.
    Type: Application
    Filed: April 15, 2014
    Publication date: August 14, 2014
    Inventors: Vagn Erik Dall, Cody Eric Bunger
  • Publication number: 20140222077
    Abstract: A tool set for implanting a rod in a human spine in conjunction with bone screws. The tool set includes a pair of end guide tools that receive opposite ends of the rod in channels and under manipulation by a surgeon facilitate transport of the rod toward the bone screws attached to the guide tools. Intermediate guide tools having guiding pass through slots are utilized to guide intermediate locations along the rod toward associated bone screws. An attachment structure operably connects the guide tools to the bone screws. The guide tools each include a lower guide and advancement structure to allow a closure top with mating structure to be rotated and driven downward against the rod and to cooperate with similar structure in the bone screw to seat and lock the rod therein. A method utilizing the tool set allows a surgeon to percutaneously implant the rod in the patient.
    Type: Application
    Filed: April 4, 2014
    Publication date: August 7, 2014
    Inventor: Roger P. Jackson
  • Publication number: 20140222076
    Abstract: A spinal longitudinal connecting member includes a soft stabilization assembly segment having a tensioned cord and a hard rod segment. A connector in fixed engagement with the hard rod also captures the tensioned cord of the soft segment, the connector being in fixed or sliding relation with the tensioned cord. The connector places the soft assembly segment in lateral or off-set and staggered relation to the hard rod segment. The connector may be integral to a bone anchor.
    Type: Application
    Filed: February 3, 2014
    Publication date: August 7, 2014
    Inventor: Roger P. Jackson
  • Publication number: 20140222078
    Abstract: A pedicle screw assembly including a bone fastener having a lower end for engaging bone and an upper end remote from the lower end; a head having a rod-receiving channel attached to the upper end of said bone fastener; a spinal rod insertable into the rod-receiving channel of said head, said spinal rod having an outer surface extending between first and second ends thereof, wherein at least one of the first and second ends has a reduced diameter section. A spinal rod having an outer surface extending between a first end and a second end thereof; wherein the outer surface of said spinal rod has a reduced diameter section at at least one of the first and second ends.
    Type: Application
    Filed: April 14, 2014
    Publication date: August 7, 2014
    Applicant: STRYKER SPINE
    Inventors: Daniel Triplett, T. Wade Fallin, Karen E. Mohr, Thierry Millard
  • Patent number: 8784455
    Abstract: A bone anchoring device includes an anchoring element having a shank to be anchored in a bone or a vertebra, a receiving part connected to the shank the receiving part having a first end opposite to the shank and a second end facing the shank, a longitudinal axis passing through the two ends, a bore coaxial with the longitudinal axis extending from the first end through at least a portion of the receiving part and a substantially U-shaped recess for receiving a rod The U-shaped recess forms two free legs extending in the direction of the first end, the legs are provided with an internal thread. A locking device for securing the rod in the receiving part is provided which includes an external thread cooperating with the internal thread.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: July 22, 2014
    Assignee: Biedermann Technologies GmbH & Co. KG
    Inventors: Wilfried Matthis, Lutz Biedermann, Jurgen Harms
  • Patent number: 8771318
    Abstract: A pedicle screw assembly including a bone fastener having a lower end for engaging bone and an upper end remote from the lower end; a head having a rod-receiving channel attached to the upper end of said bone fastener; a spinal rod insertable into the rod-receiving channel of said head, said spinal rod having an outer surface extending between first and second ends thereof, wherein at least one of the first and second ends has a reduced diameter section. A spinal rod having an outer surface extending between a first end and a second end thereof; wherein the outer surface of said spinal rod has a reduced diameter section at least one of the first and second ends.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: July 8, 2014
    Assignee: Stryker Spine
    Inventors: Daniel Triplett, T. Wade Fallin, Karen Mohr, Thierry Millard
  • Patent number: 8740946
    Abstract: A bone anchor (100) for attaching a rod (108) to a bone has an anchor member (106) for attachment to the bone and an anchor head (104) having a U-shaped opening for receiving the rod. The bone anchor also includes a locking cap (102) that has a main body (900) and a set screw (1000). Advantageously, in one embodiment the locking cap preferably is designed such that a single tool can be used to lock the locking cap in place on the anchor body preferably with a 90° turn and preferably then drive the set screw to clamp the rod. The locking cap also preferably non-threadingly engages the anchor body. The anchor body preferably has an inclined surface on its top surface which elastically deflects extending tabs on the main body to secure the locking cap to the anchor body. A method of implantation and assembly of the bone anchor are also described.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: June 3, 2014
    Assignee: DePuy Synthes Products, LLC
    Inventors: Joseph Peterson, Dennis Chien, Thomas Keyer, Edward McShane, Joseph Capozzoli, Pascal Hauri, Scott Kramer, Sandra Bockhorst
  • Patent number: 8734489
    Abstract: A pedicle screw assembly including a bone fastener having a lower end for engaging bone and an upper end remote from the lower end; a head having a rod-receiving channel attached to the upper end of said bone fastener; a spinal rod insertable into the rod-receiving channel of said head, said spinal rod having an outer surface extending between first and second ends thereof, wherein at least one of the first and second ends has a reduced diameter section. A spinal rod having an outer surface extending between a first end and a second end thereof; wherein the outer surface of said spinal rod has a reduced diameter section at least one of the first and second ends.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: May 27, 2014
    Assignee: Stryker Spine
    Inventors: Daniel Triplett, T. Wade Fallin, Karen Mohr, Thierry Millard
  • Publication number: 20140142632
    Abstract: The present disclosure includes a polyaxial bone fixation element for use in spinal fixation to interconnect a longitudinal spinal rod with a patient's vertebra. The polyaxial bone fixation element preferably includes a bone anchor, a collet, a body, and a locking cap. The polyaxial bone fixation element preferably enables in-situ assembly. That is, the polyaxial bone fixation element is preferably configured so that in use, the bone anchor may be secured to the patient's vertebra prior to being received within the body. Accordingly, the polyaxial bone fixation element enables a surgeon to implant the bone anchor without the body to maximize visibility and access around the anchoring site. Once the bone anchor has been secured to the patient's vertebra, the body can be snapped-onto the bone anchor. The bone anchor preferably also includes a second tool interface so that a surgical instrument can be directly coupled to the bone anchor.
    Type: Application
    Filed: January 24, 2014
    Publication date: May 22, 2014
    Applicant: DEPUY SYNTHES PRODUCTS, LLC
    Inventors: Thomas Keyer, Joseph Capozzoli, Eric McDivitt