Class / Patent application number | Description | Number of patent applications / Date published |
606267000 | Head attachable using multiple parts | 76 |
20090198280 | Assembly for Orthopaedic Surgery - An assembly for connecting a support element to a bone. The assembly comprises: a bone screw having a head at one end of a threaded shaft; and a clamp comprising: a base at a first end of the clamp delimiting an opening for receiving the head of the bone screw; and at least two side members extending from the base towards a second end of the clamp. The head of the bone screw and the clamp are configured to allow the head of the bone screw to be inserted into the base from the direction of the first end at a first orientation of the base to the bone screw, and to retain an inserted bone screw within the base at a second orientation of the base relative to the bone screw. | 08-06-2009 |
20090306721 | RETRACTION TUBE FOR USE WITH CAPLESS PEDICLE SCREW - A retractor system and method for locating and placing a polyaxial screw while substantially simultaneously retracting tissue is shown and described. The retractor has a channel that facilitates introducing a rod into the polyaxial screw. Various embodiments are shown, including one which utilized a reducer for moving the rod in the retractor. | 12-10-2009 |
20110112582 | Spring-Loaded, Load Sharing Polyaxial Pedicle Screw Assembly and Method - A method includes positioning a load sharing mechanism in between a screw head and a bone fixator component; attaching the screw head to the bone fixator component such that the load sharing mechanism provides tensile resistance to the screw head; securing the bone fixator component in a bone; securing a locking pin in the screw head; engaging the locking pin with the bone fixator component; inserting a longitudinal member in the screw head; and inserting a blocker in the screw head. The method may further comprise positioning a longitudinal member in a slot configured in the screw head. | 05-12-2011 |
20110257687 | LOAD SHARING BONE FASTENER AND METHODS OF USE - A bone fastener includes a first section configured to support a bone construct. A second section is configured for fixation with bone and defines a longitudinal axis. An intermediate flexible section is disposed between the first section and the second section such that the first section is longitudinally aligned with the second section. The intermediate flexible section includes an inner surface that defines a cavity and an open end. | 10-20-2011 |
20120303062 | MINIMALLY INVASIVE SPINAL FIXATION SYSTEM INCLUDING VERTEBRAL ALIGNMENT FEATURES - A bone anchor coupler assembly is configured to couple a bone anchor to a spine stabilization member, and includes a coupler body and an angular adjustment member movably coupled to the coupler body. | 11-29-2012 |
20130072982 | SPINAL ASSEMBLY LOAD GAUGE - A load gauge to measure the forces that must be applied to properly position a spinal fixation assembly to one or more vertebrae. In a preferred embodiment, said load gauge is attached to a bone screw. The bone screw is in turn connected to a rod through a connector. After the bone screw is inserted into a vertebrae, the load gauge measures the force that must be applied to properly position the spinal fixation assembly vis-a-vis the vertebrae. The present invention allows surgeons to have more flexibility on how and how much the deformed spine is corrected. | 03-21-2013 |
20130131729 | SURGICAL FIXATION SYSTEM AND METHOD - A surgical fixation system comprising at least one pair of elongate members and a plurality of pedicle screws. The elongate members are installed along the length of the spine of the patient. The elongate members are coupled to vertebrae by a set of pedicle screws. | 05-23-2013 |
20140005724 | BONE SCREW COUPLING ASSEMBLY | 01-02-2014 |
20140005725 | BONE SCREW COUPLING ASSEMBLY | 01-02-2014 |
20140046374 | Staged Locking of Surgical Screw Assembly - A surgical screw assembly including: a fastener including an elongate shaft having a proximal end and a distal end and a head at the proximal end. A tulip having a an internal bearing surface is provided. A distal end of the tulip has a bore therethrough defining the internal bearing surface. Locking enhancement features are configured to cooperate with the head, such that, in an unlocked configuration, the head is movable relative to the tulip; in a provisionally locked configuration, the locking enhancement features engage the head with a first polyaxial grip strength; and in a finally locked configuration, the locking enhancement features engage the head with a second polyaxial grip strength greater than the first polyaxial grip strength. | 02-13-2014 |
20140058452 | Polyaxial Screw - The present invention generally is directed toward a spinal fixation system whereby a coupling element allows the physician to selectively lock or unlock either the connection between the coupling element and a fastener, such as to allow for repositioning of the coupling element, or the connection between the coupling element and an elongate rod. The locking or unlocking of these connections may be made independently and as desired by the physician. | 02-27-2014 |
20140088650 | Polyaxial Connector for Spinal Fixation Systems - A polyaxial connector for spinal fixation systems has a lateral connector element having a first receptacle for a polyaxial connection to a spherical head of a pedicle screw and a second receptacle for a polyaxial connection to a spherical head of tulip that is configured to receive a connection rod clamped in the tulip by a locking element. A clamping piece is mounted in longitudinally-movable manner in the connector element between the receptacles. If the locking element is tightened, a pressure ram received in the tulip exerts a clamping force on the pedicle screw head, thereby fixing the connector element to the pedicle screw. | 03-27-2014 |
20140135842 | SPINAL STABILIZATION SYSTEM - A spinal stabilization system includes a connecting rod and a bone screw. The connecting rod includes an elongate rounded section, an elongate head portion, and a neck portion connecting the elongate rounded section with the elongate head portion. The bone screw includes a head portion defining a slot, a shank extending longitudinally from the head portion, and a cap. The slot includes a leading end portion configured to receive the elongate rounded section of the connecting rod and a trailing end portion defining a planar surface. The cap is configured to enclose the planar surface of the trailing end portion of the slot and secure the connecting rod in the slot to the bone screw. | 05-15-2014 |
20140222079 | BONE ANCHORING DEVICE - A bone anchoring device includes a bone anchoring element having a shaft to be anchored in the bone and a head, a receiving part for receiving a rod to be connected to the bone anchoring element, and a pressure member acting onto the head to lock the position of the head relative to the receiving part, the receiving part is formed in one piece and includes an open first bore with a first bore axis, a recess shaped and sized to receive a rod having a longitudinal axis, and a second bore having a second bore axis. The second bore is in communication with the first bore and is sized to receive the head with a part of the shaft extending through the second bore. The second bore axis includes an angle of approximately 90° with a plane defined by the first bore axis and the longitudinal axis of the rod. | 08-07-2014 |
20140236235 | SAGITTAL ANGLE SCREW WITH INTEGRAL SHANK AND RECEIVER - A spinal bone screw has a receiver with upstanding arms forming a channel for receiving a longitudinal connecting member, such as a rod, the receiver being integral with a threaded shank. The receiver further includes inner surfaces in sliding engagement with an insert, the insert having a seating surface for the rod. The insert and rod being pivotable with respect to the bone screw in a single plane. | 08-21-2014 |
20140236236 | POLYAXIAL PEDICLE SCREW HAVING PROVISIONAL FASTENING MEANS - A polyaxial pedicle screw includes a screwed shaft section for anchoring the pedicle screw in a vertebra, on one axial end of which a shaft head is configured which is coupled in a rotating and/or pivoting manner as well as in a tensile-force transmitting manner to a receiving sleeve for a longitudinal support. The receiving sleeve has a fastening means for selective positional fastening of the receiving sleeve with respect to the shaft section, the fastening means at least consisting of an inlay/pin mounted in the receiving sleeve and acting on the shaft head, and a locking element acting on the inlay/pin. The inlay/pin is configured with attachment points or engagement elements, which are not covered or overlapped by the locking element, for the provisional introduction of a compressive force on the inlay/pin parallel to the locking element. | 08-21-2014 |
20140330314 | MINIMALLY INVASIVE SPINAL STABILIZATION SYSTEM - A spinal fixation assembly including a pedicle rod and pedicle screws which secure the pedicle rod to the spine. Each pedicle screw includes a head configured to receive a portion of the pedicle rod, and a threaded portion extending from a first end of the head and configured to engage a vertebra. The pedicle rod is secured to the head by a fastener. The head includes a breakaway region that defines a location in which at least a first portion of the head can be easily separated from the remainder of the head upon application of sufficient force to the first portion. | 11-06-2014 |
20150045835 | Spinal Fixing Device - The present invention relates to a spinal fixing device in which a head portion of a bone screw to be inserted into a vertebra is bound to a housing, and the housing is fixed to a spine rod. The spinal fixing device includes: the housing having a seat portion inside and having a mounting groove for mounting the spine rod; a chuck to be inserted into the seat portion, in which a peripheral portion having an elastically changeable diameter and a curved inner circumferential surface is formed along the circumference of the chuck at one side; and the bone screw having a spherical head portion to be inserted into the peripheral portion, wherein a surface having a gradually varying diameter is formed on the inner circumferential surface of the seat portion and the outer circumferential surface of the peripheral portion is convex so as to allow the end of the peripheral portion to elastically shrink through the pressure generated between the peripheral portion and the seat portion by pressurization of the chuck by the spine rod, thereby restricting the rotation of the head portion. According to the present invention including said feature, the chuck is combined so as to restrict the head portion of the bone screw and has the peripheral portion having an elastically shrinkable diameter, and thus the movement between the screw and the housing is allowed according to the intention of an operator before being fixed to the spine rod and the movement between the housing and the bone screw can be more effectively inhibited when fixed to the spine rod. | 02-12-2015 |
20150073483 | Polyaxial Screw - The present invention generally is directed toward a spinal fixation system whereby a coupling element allows the physician to selectively lock or unlock either the connection between the coupling element and a fastener, such as to allow for repositioning of the coupling element, or the connection between the coupling element and an elongate rod. The locking or unlocking of these connections may be made independently and as desired by the physician. | 03-12-2015 |
20150080958 | COMPRESSION-DISTRACTION SPINAL FIXATION SYSTEM - Compression-distraction spinal fixation systems, and methods of performing compression-distraction spinal fixation, are provided that include screw-rod constructs having a ratcheting mechanism. Bone screws of the screw-rod constructs can have a pawl that engages ratchet teeth on the rod of the screw-rod construct. The bone screw can be ratcheted along the length of the rod to apply distractive or compressive forces. | 03-19-2015 |
20150088203 | METHOD AND DEVICE FOR BONE GROWTH STIMULATION - A device for attachment to a spinal implant construct is disclosed. The device generally includes at least one pedicle screw with a housing adapted for subcutaneous implantation. The housing comprises an electrical battery and an electrically conductive attachment to conduct electrical current from the battery to the screw. Once the screw is inserted into the patient's pedicle, the housing and attachment are inserted in the patient either by minimally invasive tubing or through a minimally invasive incision. The attachment may be attached to the implant construct after the pedicle screw has been inserted into the patient's pedicle. | 03-26-2015 |
20150127053 | SURGICAL DEVICE FOR CORRECTING DEFORMATION OF THE SPINAL COLUMN - Surgical device for correcting deformation of the spinal column includes tubular elements for temporary attachment at pedicle screw heads connected by a curved implantable rod, and rods engaged through the elements to align them corresponding to the correction. Each tubular element has two independent portions coupled to outside of the heads; one end of each part having fittings coupling the portions together. The rods comprise an alignment rod and a handling rod, arranged in openings delimited by the portions to move parallel to an axis of the elements. The handling rod acting, as displaced, to simultaneously displace the curved rod, previously engaged into the openings, towards the heads. The handling rod being removed and then coupled to the outside of the elements arranged in alignment to remove the alignment rod and engage, inside each element, a member actuating a nut for fastening the curved rod in each head. | 05-07-2015 |
20150127054 | BONE SCREW OF MINIMALLY INVASIVE FIXATION DEVICE FOR LUMBAR - A bone screw of minimally invasive fixation device for lumbar comprises a positioning casing and a screw body. The positioning casing includes a rod securing base and an alignment portion, both of which are integrally formed; an annular notch is formed between them. The alignment portion has at least two pairs of rod alignment openings in a bulb-shaped or keyhole-shaped form with an upper portion larger than a lower portion. Two longitudinal notches extend from near the top across the alignment openings to the rod securing base. The screw body includes a spherical head and a screw rod; the outer diameter of the spherical head is larger than that of the screw rod. The screw body is rotatably connected to the bottom portion of the positioning casing; the spherical head of the screw body is arranged in the spherical pit of the rod securing base. | 05-07-2015 |
20150305778 | ADJUSTABLE-ANGLE SPINAL FIXATION ELEMENT - A spinal fixation device is provided having first and second elongate members that are angularly adjustable relative to one another. Each elongate member can include a connecting feature formed on a terminal end thereof, and each connecting feature can be coupled to one another to allow angular movement of the first and second elongate members. The device can also include a locking mechanism that is adapted to couple to the connecting feature on each of the first and second elongate members to lock the elongate members in a fixed position relative to one another. | 10-29-2015 |
20150327888 | METHODS FOR CONNECTING A LONGITUDINAL MEMBER TO A BONE PORTION - An apparatus ( | 11-19-2015 |
20150351817 | TETHER CLAMP AND IMPLANTATION SYSTEM - A clamp housing assembly and method for providing stabilization as a bone anchor during an operation. The assembly includes a housing, a locking element and a band. The housing defines a longitudinal axis, a center recess, and at least one slot. The housing has two opposing arms extending from a base. At least a portion of the inside surface of each arm may be threaded and at least a portion of the outside surface of each arm may be planar. The locking element is positionable within the recess in a co-axial relationship to the housing. The band is sized for travel along a predetermined path defined in part by the at least one slot in the housing. | 12-10-2015 |
20160000472 | BONE ANCHORS - A cannulated bone anchor assembly includes a bone anchor, a receiver member for receiving a spinal fixation element to be coupled to the bone anchor, and a closure mechanism to fix the spinal fixation element with respect to the receiver member. The bone anchor includes a distal shaft having a first threaded section distal to a proximal head, a second threaded section distal to and adjacent the first threaded section, and a third threaded section distal to and adjacent the second threaded section. The first threaded section having a constant major and minor diameter. The second threaded section having a tapering major and minor diameter. The third threaded section having a tapering major diameter and a constant minor diameter. | 01-07-2016 |
20160022317 | SET OF INSTRUMENTS FOR THE PERCUTANEOUS STABILIZATION OF THE SPINE WITH THE AID OF PEDICLE SCREWS AND RODS - The invention relates to an instrument set for percutaneous stabilization of the spinal column using rods ( | 01-28-2016 |
20160038188 | SPLAY CONTROL CLOSURE FOR OPEN BONE ANCHOR - Open implant closure structures include a helically wound guide and advancement flange form having splay control surfaces. Multi-start closures and closures with inner set screws have splay control contours for interlocking with cooperating flange forms of bone anchor receivers. Flange form heights, thicknesses and other geometry, such as splay control ramp angle may be varied. | 02-11-2016 |
20160051285 | CONNECTING ROD FOR SPINAL SURGERY - An interconnecting spinal rod with a flanged end permits the surgeon to specifically locate the superior end, screw/rod position thereby minimizing the connecting rod overhang. This minimal overhang reduces interference with the adjacent facet of a vertebra in a spinal interbody fusion surgical procedure. | 02-25-2016 |
20160058476 | REVISION ASSEMBLY FOR AN ITEM OF VERTEBRAL OSTEOSYNTHESIS EQUIPMENT - This item of vertebral osteosynthesis equipment includes at least one bone anchoring member ( | 03-03-2016 |
20160066960 | Polyaxial Screw - The present invention generally is directed toward a spinal fixation system whereby a coupling element allows the physician to selectively lock or unlock either the connection between the coupling element and a fastener, such as to allow for repositioning of the coupling element, or the connection between the coupling element and an elongate rod. The locking or unlocking of these connections may be made independently and as desired by the physician. | 03-10-2016 |
20160135846 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal construct comprises a fastener attachable with sacral and/or pelvic tissue of a body. At least one connector is connected with the fastener and defines a first implant cavity and a second implant cavity. At least one lock is disposable with the implant cavities. Systems and methods are disclosed. | 05-19-2016 |
20160143665 | RECEIVING PART FOR COUPLING A BONE ANCHOR TO A ROD AND BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for coupling a bone anchor to a rod is provided,
| 05-26-2016 |
606268000 | Including washer | 4 |
20080262551 | METHOD AND ASSOCIATED INSTRUMENTATION FOR INSTALLATION OF SPINAL DYNAMIC STABILIZATION SYSTEM - 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. | 10-23-2008 |
20110245877 | Rod and plate system for incremental reduction of the spine - Apparatus for use in stabilizing and/or aligning the spinal column utilizes hooks and rods to effectively transfer load from the vertebrae to the apparatus regardless of the angle and the height of the pedicular screws. A screw cap formed of a base having a bore therethrough for receiving the head of the screw, an upright riser formed thereon that is laterally offset from the bore, and a surface for engaging the rod or plate of the stabilizer enables the apparatus to be used for stabilizing and/or aligning vertebral bodies that are out of alignment, of different shape or size, and/or pathology. The apparatus is implanted in a series of steps that are quickly and conveniently performed in the surgical stage and with minimal application of force to align the vertebral bodies, decreasing the likelihood of damaging the nerves populating the surgical stage. | 10-06-2011 |
20140088651 | ROD ATTACHMENT FOR HEAD TO HEAD CROSS CONNECTOR - Exemplary spinal fixation devices, systems, and method are provided for stabilizing vertebrae in a patient's spine. In one exemplary embodiment, methods and devices are provided for coupling one or more bone anchors, such as hooks, screws, etc., and/or one or more spinal fixation elements, such as spinal rods, cables, plates, etc. In certain exemplary embodiments, a cross connector is provided for connecting and stabilizing two bone anchors, a bone anchor and a spinal fixation element, or a bone anchor and bone. | 03-27-2014 |
20140350604 | Systems and Methods for Manipulating and/or Installing Title of Invention a Pedical Screw - A spinal screw assembly adapted to be secured to a vertebrae for providing securement across at least two vertebrae. The assembly includes a pedicle screw having a substantially spherical head portion, a threaded shaft portion, and an engagement surface in the head portion for driving said screw into the vertebrae, and a body member comprising a tower portion having an open top, a break-away section for manipulation of the screw upon implantation into the vertebrae, a base body at a proximal region of the body member and a break zone which acts as a transition between the base body and the tower portion. A resealably securable setscrew within the body member secures and fully contains the rod within said assembly. The break-away section remains completely outside a wound and is removed or broken off once the screw has been fully assembled inside the vertebrae. | 11-27-2014 |
606269000 | Including retaining ring | 13 |
20080287998 | POLYAXIAL BONE SCREW - A fastening system for bone screws used in spinal fixation systems for reshaping the spine of a patient. The bone screw has threads on one end for anchoring in the spine. The other end has a spherical head with a multi sided recess formed therein for engagement with an appropriate driving tool. The system includes a stabilizing rod, a saddle member, a cap member and a set screw with at least one bone screw having a outer diameter that exceeds the diameter of a cavity formed in the saddle, wherein placement of the bone screw is made possible by matching the threads of the set screw to the threads of the bone screw. The head of the bone screw providing proper positioning of the stabilization rod within the patient. | 11-20-2008 |
20120330363 | FASTENER ASSEMBLY THAT FASTENS TO POLYAXIAL PEDICLE SCREW - A fastener assembly including an existing polyaxial pedicle screw that has been previously installed in a spinal structure, the polyaxial pedicle screw including a polyaxial head to which a prosthetic member is secured, a fastening portion fastened to the polyaxial head over the prosthetic member, and a connector element that extends from the fastening portion, the connector element being connected to another spinal structure. | 12-27-2012 |
20130150893 | CAPLESS MULTIAXIAL SCREW AND SPINAL FIXATION ASSEMBLY AND METHOD - A spinal fixation assembly and capless multi-axial screw system and method are shown. The assembly comprises a receiver having a rotary lock which in one embodiment includes a plurality of channels which urge and lock the elongated member to the screw using a bayonet type connection. | 06-13-2013 |
20130253588 | POSTERIOR INCREMENTAL SPINAL FIXATION SYSTEM - 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. | 09-26-2013 |
20140243899 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for receiving a rod for coupling the rod to a bone anchoring element includes a receiving part body including: a rod receiving portion with 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 an exterior surface with a curved portion; and a locking ring around the head receiving portion, wherein the locking ring has an interior surface with a curved portion for engagement with the curved portion of the exterior surface of the head receiving portion for locking a position of the head relative to the head receiving portion. | 08-28-2014 |
20140350605 | SPINAL IMPLANT LOCKING MEMBER WITH IMPROVED GUIDANCE, TACTILE AND VISUAL FEEDBACK - An implant having a receiver that is adapted to receive a polyaxial screw in the bore and either an internal or external cap. The cap can be an external or internal cap and the implant further has at least one locking aid in the form of at least one of a tactile feedback, a visual feedback or an enhanced fixation between the cap and a rod that is received in the receiver. | 11-27-2014 |
20150012042 | ORTHOPEDIC IMPLANTATION DEVICE - An orthopedic implantation device that includes tulip element, a coupling wedge and a locking assembly, and a kit and method of use thereof are described herein. The coupling wedge is located in the bottom of the tulip element. The tulip element includes transverse slots for receiving the rod therein until the rod sits on the coupling wedge. The locking assembly includes a locking cap adapted to be received completely within the tulip element, and having flanges and tabs that cooperate with corresponding grooves in the tulip element. The locking assembly includes a cap set screw adapted to be received within a thru hole in the locking cap element. | 01-08-2015 |
20150080959 | Osseous anchoring implant with a polyaxial head and method for installing the implant - An osseous anchoring implant, various embodiments of which comprise an osseous anchor and a head bearing fixation structure capable of receiving and fixing at least one bar, the head of the implant being traversed by at least one duct, which receives the bar through a lateral aperture, and by a threaded channel, whose axis is not parallel to the axis of the duct, which receives a fixation screw of the bar, the implant being characterized in that it comprises fixation structure of the head on the part of the implant which extends from the osseous anchor, these fixation structures allowing, prior to blocking and fixing, at least a determined mobility of the head around at least one axis not parallel to the axis of symmetry of the osseous anchor. The fixation screw of the bar may comprise a ball and socket at its base. | 03-19-2015 |
20150313646 | POLYAXIAL BONE ANCHORING DEVICE - A polyaxial bone anchoring device includes a bone anchoring element having a shank and a head, a head receiving part having a first end, an open second end, and a hollow interior portion for receiving the head therein, a locking ring configured to be mounted around the head receiving part and having a rod receiving portion, a cap configured to be connected to the head receiving part, the cap having a central axis and two opposite legs extending in a direction of the central axis, and a locking element configured to extend from the cap to lock relative positions of the bone anchoring element and an inserted rod relative to the head receiving part, wherein the cap is rotatable relative to the head receiving part between a first position in which the cap is movable and a second position in which the legs engage the head receiving part. | 11-05-2015 |
20160051288 | COMPOSITE MATERIAL SPINAL IMPLANT - A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material. | 02-25-2016 |
20160051289 | SCREW RETENTION CAP FOR USE IN SPINE SURGERY - A retaining cap includes circular projections positioned on the outside of a circumferential surface of a main body of the cap. The projections define a diameter for the cap that is larger than the diameter of the main body of the cap. The retaining cap is joined with the tulip in an assembly by positioning the cap coaxially with the tulip body. The cap is then slid into tulip body with the projections aligned with respective half circle entry slots of tulip body. The cap is the rotated axially to a degree that the tulip's diameter is reduced to cause interference between the retaining cap projections and the tulip. The retaining cap can be rotated past the interfering diameter and into a home position created by cross holes in the tulip body where the cap can be removed from the tulip. | 02-25-2016 |
20160074075 | COMPOSITE MATERIAL SPINAL IMPLANT - A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material. | 03-17-2016 |
20160249955 | ORTHOPEDIC FIXATION DEVICES AND METHODS OF INSTALLATION THEREOF | 09-01-2016 |
606270000 | Including set screw | 25 |
20100016898 | APPARATUS FOR CONNECTING A LONGITUDINAL MEMBER TO A BONE PORTION - An apparatus is provided for connecting a longitudinal member to a bone portion. The apparatus includes a fastener engageable with a bone portion, a housing having a first passage configured to receive a longitudinal member and a second passage configured to receive the fastener. The fastener extends through an opening in the housing into the second passage and is movable relative to the housing. The longitudinal axis of the fastener is positionable in any one of a plurality of angular positions relative to a longitudinal axis of the second passage. The apparatus also includes a clamping member configured to be received in threaded engagement within the housing. The clamping member has a first end configured such that when a longitudinal member is positioned in the first passage in the housing, the first end of the clamping member engages the longitudinal member at an angle not orthogonal to an axis along which the clamping member is advanced. | 01-21-2010 |
20100318133 | DEVICE TO PROTECT ADJACENT STAGES OF A SPINAL SEGMENT - The device for protecting adjacent stages Vc of a spinal segment Sr of a vertebral column previously instrumented by an osteosynthesis device ( | 12-16-2010 |
20120150233 | Modular Pedicle Screw System - A modular anchoring device including a threaded shank for anchoring within a vertebra, an intermediate element and a head portion configured to receive and secure a rigid or non-rigid stabilization rod. The threaded shank, the intermediate element and the head portion of the anchoring device are cannulated to permit percutaneous implantation of the device. The intermediate portion is designed to be removable from the threaded shank portion subsequent to implantation of the anchoring device to enable substitution of another intermediate element having different dynamic characteristics. | 06-14-2012 |
20120203281 | SEMI-RIGID SCREW ASSEMBLY - A semi-rigid head for a bone screw comprising includes a first rigid portion, a second rigid portion, and a semi-rigid portion. The first rigid portion is configured to receive a fixation rod. The second rigid portion is configured for coupling with a bone screw. The semi-rigid portion links the first rigid portion with the second rigid portion. | 08-09-2012 |
20120283780 | ROD ATTACHMENT FOR HEAD TO HEAD CROSS CONNECTOR - Exemplary spinal fixation devices, systems, and method are provided for stabilizing vertebrae in a patient's spine. In one exemplary embodiment, methods and devices are provided for coupling one or more bone anchors, such as hooks, screws, etc., and/or one or more spinal fixation elements, such as spinal rods, cables, plates, etc. In certain exemplary embodiments, a cross connector is provided for connecting and stabilizing two bone anchors, a bone anchor and a spinal fixation element, or a bone anchor and bone. | 11-08-2012 |
20120303063 | Bone Screw Assembly - Spine stabilization systems are disclosed. One spine stabilization system includes a bone screw assembly including a coupling member and a screw member received therein. The coupling member includes a pair of extension elements that form a pair of slots. The slots include bottom angled surfaces. An angled wedge member having a substantially horizontal bottom surface and an angled top surface is delivered on top of the screw member within the coupling member. A rod member can be delivered down the coupling member such that it rests on the slots and on top of the angled wedge member. A locking assembly comprising a cap member and set screw can be delivered down the coupling member to secure the rod member to the coupling member. The rod member and locking assembly components can be delivered through a single incision and at a same or similar angle as the screw member during surgery. | 11-29-2012 |
20120303064 | PEDICLE SCREWS AND METHODS OF USING THE SAME - Pedicle screws that can include a pedicle screw body, housing, plurality of clamps, rod, and set screw are disclosed herein. The clamps may be positioned side by side inside the lower portion of the housing. When the rod and set screw are provided in the housing, the set screw applies a force on the rod and the rod engages the plurality of clamps, causing the clamps to frictionally engage a head of the pedicle screw between the clamps. | 11-29-2012 |
20140012320 | ROD ATTACHMENT FOR HEAD TO HEAD CROSS CONNECTOR - Exemplary spinal fixation devices, systems, and method are provided for stabilizing vertebrae in a patient's spine. In one exemplary embodiment, methods and devices are provided for coupling one or more bone anchors, such as hooks, screws, etc., and/or one or more spinal fixation elements, such as spinal rods, cables, plates, etc. In certain exemplary embodiments, a cross connector is provided for connecting and stabilizing two bone anchors, a bone anchor and a spinal fixation element, or a bone anchor and bone. | 01-09-2014 |
20140018858 | Device, Kit and Method for Correction of Spinal Deformity - A device, kit and method for the correction of spinal deformity using an anterior approach. The device comprises a screw-head platform ( | 01-16-2014 |
20140135843 | SPINAL STABILIZATION SYSTEM - A spinal stabilization system includes a connecting rod and a bone screw. The connecting rod includes an elongate rounded section, an elongate head portion, and a neck portion connecting the elongate rounded section with the elongate head portion. The bone screw includes a head portion defining a slot, a shank extending longitudinally from the head portion, and a set screw configured to secure the connecting rod in the slot. The slot includes a leading end portion configured to receive the elongate rounded section of the connecting rod and a trailing end portion configured to threadably engage the set screw, wherein the slot is flared such that elongate rounded section of the connecting rod is pivotable about the leading end portion of the slot. | 05-15-2014 |
20140135844 | SPINAL STABILIZATION SYSTEM - A spinal stabilization system including a connecting rod and a bone screw. The connecting rod includes an elongate rounded section, an elongate head portion, and a neck portion connecting the elongate rounded section with the elongate head portion. The bone screw includes a head portion defining a slot, a shank extending longitudinally from the head portion, and a set screw configured to secure the connecting rod in the slot. The head portion includes a pair of radially opposing walls defining the slot therebetween. The head portion includes a trailing end and a leading end. The trailing end includes a guide member defining an aperture configured and dimensioned to receive the set screw therethrough. The aperture is in communication with the slot. In particular, the guide member interconnects the pair of radially opposing walls. | 05-15-2014 |
20140214084 | POLYAXIAL BONE ANCHOR WITH RECEIVER WITH SPHERIC EDGE FOR FRICTION FIT - Polyaxial bone screws include a receiver and a shank, the receiver having in inner concave surface defining a spherical void and the shank having an upper spherical portion, the shank upper portion and receiver concave surface being in moveable friction fit engagement prior to locking of the shank with respect to the receiver. The receiver includes a circular edge formed by a spheric section, the edge capturing the shank upper portion within the receiver. Bone screws may include pressure inserts, shank upper portions having separate retainer rings, receiver arms having break-off extensions, and one or two-piece closures. | 07-31-2014 |
20140222080 | STABILIZATION DEVICE FOR BONES COMPRISING A SPRING ELEMENT AND MANUFACTURING METHOD FOR SAID SPRING ELEMENT - An elastic or flexible element for use in a stabilization device for bones or vertebrae is provided. The elastic or flexible element is provided in the form of an essentially cylindrical body with a first end and a second end opposite thereto, wherein at least one of the opposite ends of the cylindrical body comprises a coaxial bore hole with an internal thread for connecting to a shaft and/or a head of a bone screw or for connecting to a rod section. The present invention further provides a bone anchoring element, e.g. a bone screw, with a shaft for the anchoring in a bone, whereby the shaft comprises an elastic or flexible section which is formed integrally with the shaft or as a separate elastic or flexible element. It is preferable for the elastic section to be implemented in the form of a helical spring. Moreover, the present invention provides a stabilization device for bones, for instance for vertebrae, said device comprising at least one bone anchoring element according to the invention, a second bone anchoring element and a rod or plate connecting the bone anchoring elements. | 08-07-2014 |
20140236237 | REDUCED SHOCK BREAKAWAY SET SCREW FOR USE WITH A SURGICAL CONSTRUCT - A reduced shock breakaway set screw for use with medical implants and constructs for the spine having improved geometry of the groove area between the upper head portion and lower threaded portion of the set screw. The groove area of the set screw has circular and noncircular portions which in at least one embodiment comprise upper and lower radii separated by a flattened groove bottom. Other embodiments have apertures running between the groove area and an internal cylindrical bore and/or ridges or ribs running across the groove area. The improved geometry serves to slow down the fracturing process during shearing thereby increasing the proportion of energy dissipated as heat from plastic deformation of the material to the amount of energy released as kinetic energy from elastic deformation, thus reducing shock to the patient and physician without changing the preset break-off torque for the set screw. | 08-21-2014 |
20140277154 | SYSTEMS AND METHODS FOR SPINAL COMPRESSION, DISTRACTION, AND FIXATION - An apparatus for coupling with a fixation rod to allow spinal compression, distraction, and fixation along an antero-lateral aspect of a spine includes an elongated plate, first and second fixation screws, and a first arm. The elongated plate includes a first aperture at a superior end and a second aperture at an inferior end. The first fixation screw is received by the first aperture and engages a first body portion of a first vertebra. The second fixation screw is received by the second aperture and engages a second body portion of a second vertebra. The first arm extends transversely from a first base portion on the elongated plate and includes a first hook to couple with a first portion of the fixation rod. | 09-18-2014 |
20150073484 | SPINAL STABILIZATION SYSTEM - The present invention is directed to a spinal implant system that incorporates unique snap, or spring loaded, features to assist the surgeon in the placement of screws, rods, hooks and transverse connectors. The poly-axial movement also uses a more direct loading lower saddle into the bone screw to improve locking of the construct. | 03-12-2015 |
20150119941 | SURGICAL CONNECTORS AND INSTRUMENTATION - Embodiments of the present invention are directed toward a system of apparatuses to correct spinal deformities along with associated surgical techniques. The apparatuses comprise passages or channels in which spinal rods of differing diameters may be secured to allow a surgeon to vary the diameter of rods used along the length of the spine. Additionally, embodiments of the present invention are directed toward instrumentation for reduction of spinal rods into spinal pedicle screws. | 04-30-2015 |
20150134005 | PEDICLE SCREWS AND METHODS OF USING THE SAME - Pedicle screws that can include a pedicle screw body, housing, plurality of clamps, rod, and set screw are disclosed herein. The clamps may be positioned side by side inside the lower portion of the housing. When the rod and set screw are provided in the housing, the set screw applies a force on the rod and the rod engages the plurality of clamps, causing the clamps to frictionally engage a head of the pedicle screw between the clamps. | 05-14-2015 |
20150142061 | Pedicle Screw Fixation System and Method for Use of Same - A pedicle screw fixation system and method for use of the same are disclosed. In one embodiment, a tulip is provided for holding a head of a pedicle screw substantially along a longitudinal axis. The tulip includes opposing first and second U-shaped receiving slots aligned along a transverse axis. A rod is received by the opposing first and second U-shaped receiving slots. A coupling collar includes a plurality of resilient fingers circumferentially disposed therearound such that a snap fit engagement with the head of the pedicle screw formed. The coupling collar includes a first deformable face operable for contact with the rod. A set screw is for adapted for driving engagement through the tulip along the longitudinal axis such that a second deformable face is positioned for contact with the rod. The first and second deformable faces conform to the shape of the rod in response to forceful engagement therewith. | 05-21-2015 |
20150289905 | SCREW ELEMENT FOR USE IN SPINAL, ORTHOPEDIC OR TRAUMA SURGERY AND A SYSTEM OF SUCH A SCREW ELEMENT AND A SCREW DRIVER ADAPTED THERETO - A screw element for use in spinal, orthopedic or trauma surgery, the screw element including a screw axis (S) and a screw thread ( | 10-15-2015 |
20160022322 | BONE ANCHORING DEVICE - A bone anchoring device includes a shank to be anchored in a bone or vertebra, a head, and a receiving part receiving the head for connecting the shank to a rod. The shank and the head are separate parts. The head has a bore with a cylindrical inner surface, a ring-shaped groove provided on the inner surface, and at least one slit extending from the inner surface to the outer surface of the head. The shank has a first portion for anchoring in the bone or vertebra and a second portion with a cylindrical outer surface adjoining a free end. A projection is provided on the cylindrical outer surface which engages with the ring-shaped groove of the head, when the cylindrical second portion of the shank is inserted in the bore of the head. | 01-28-2016 |
20160058478 | Stabilized Spinal Fixation Device - A spinal fixation device includes a device body configured for implantation in a human body and a clamp that is formed from shape memory material and attached to the device body. | 03-03-2016 |
20160066958 | Bone screw - A bone fixation system with variable z-axis translation is provided. The system includes an outer tulip coupled to a bone fastener via a screw retainer. An inner tulip is coupled to the outer tulip such that the inner tulip is longitudinally movably relative to the outer tulip. The inner tulip includes a lock that provides a seat for a connecting rod. The inner tulip together with a seated rod is permitted to translate along the z-axis inside the outer tulip when in an unlocked position. Also in the unlocked position, the bone fastener is free to angulate relative to the outer tulip. The z-axis position of the inner tulip and rod relative to the outer tulip is fixed in a locked position. Also, in the locked position, the bone fastener is locked with respect to the outer tulip. The system may be adjusted between the locked and unlocked positions by way of a set screw. | 03-10-2016 |
20160106472 | SPINAL DEFORMITY CORRECTION - A spinal alignment system can include a rod and a plurality of uniplanar screw assemblies that include a screw, a cap, and a housing. The screw and cap can be configured such that the relative angular displacement between the screw and the cap is limited to a first limit angle in a first plane and to a second limit angle in a second plane that is perpendicular to the first plane, the second limit angle being larger than the first limit angle. The housing can be coupled to the cap and configured to maintain the cap in proximity with the head of the screw. The housing can have two elongated elements forming a U-shaped saddle. The alignment system can also include a plurality of locking cap assemblies that capture the rod within the U-shaped saddle and are tightened to fixedly couple the rod to the respective uniplanar screw assemblies. | 04-21-2016 |
20170231662 | SOFT STABILIZATION ASSEMBLIES WITH OFF-SET CONNECTOR | 08-17-2017 |