Entries |
Document | Title | Date |
20080200955 | Plate and Screws for Treatment of Bone Fractures - A plate for treatment of bone fractures with reduced potential contact to bone through a combination of annular recesses surrounding the screw holes at the lower, bone facing surface of the plate and transverse grooves between the holes, allows for use of locking as well as conventional bone screws. With the transverse grooves cut into the plate from the lower side, as well as from the sides, the strength of the plate at the span between the holes is lower than at the screw holes. The plate can be bent in both planes without undue deformation of the screw holes. Protection of the holes during bending is afforded by hole plugs, which may be provided pre-installed in order to reduce surgery time. Screw hole plugs may then be left in place in the holes not used for bone screws. | 08-21-2008 |
20080234748 | Anterior vertebral plate with quick lock screw - Provided is a novel system that includes a low profile anterior vertebral body plate and quick lock screws for the fixation and stabilization of the cervical spine, the quick lock screw having an integral novel screw locking mechanism of a locking thread disposed on at least a portion of the side of the screw head, which engages an inwardly directed screw hole flange and thus attaches to the plate so as to lock the screw into the plate Also provided is a method of stabilizing cervical vertebrae using the disclosed system. | 09-25-2008 |
20090062863 | SCREW BACK-OUT PREVENTION MECHANISM - A screw back-out prevention mechanism for a bone fixation system is provided. The mechanism, when engaged, either locks or retains the screws of the bone fixation system in place thereby preventing the screws of the bone fixation system from backing out of the bone, and in turn reducing the risk of device separation or failure in the bone fixation system. | 03-05-2009 |
20090088808 | SURGICAL IMPLANT WITH AN ANTI-BACKOUT FEATURE - The present application is directed to an implant maintained within the patient by a fastener. The implant includes an aperture sized to receive the fastener. A locking member extends across the aperture in a first position. The locking member is constructed of a resilient material that is movable to a second position during insertion of the fastener. Once the fastener is inserted within the aperture below a level of the locking member, the locking member rebounds towards the first position and extends over the fastener. The locking member prevents the fastener from backing out of the implant. | 04-02-2009 |
20090287257 | CERVICAL PLATE - A cervical plate having a plurality of boreholes and one or more openings for aligning or positioning the boreholes on a vertebra. Vertices, axes and sides of the openings may be used to align the cervical plate with the midline of vertebrae and may be used to position the boreholes to ensure bone fasteners advanced through the boreholes engage cortical regions of the vertebrae. Rings positioned in the boreholes may inhibit withdrawal of the bone fasteners from the cervical plate or vertebrae after installation. | 11-19-2009 |
20090306724 | Orthopedic plates for use in clavicle repair and methods for their use - The present invention relates to a series of orthopedic plates for use in repair of a clavicle. The plate has a Y-shaped profile or an X-shaped profile which includes an elongate central trunk with a complex contour and wither one or two terminal pairs of arms that have a first arm and a second arm that form differing angles and lengths relative to the trunk portion of the plate. The arms include locking screw holes where the screws converge toward each other to provide for multiplanar fixatio but which do not impinge. | 12-10-2009 |
20100016901 | BONE SCREW RETAINING SYSTEM - A bone screw retaining system including an implant adapted to be applied the anterior human cervical spine for contacting anterior aspects of at least two cervical vertebral bodies, the implant having a plate that defines a plurality of transversely extending bores that extend along a longitudinal axis between an anterior surface and a posterior surface, each bore being configured to receive a bone screw for engaging the plate to the cervical spine. An elastically deformable spring member positioned therein a cavity of the plate such that portions of the spring member can extend into a portion of an upper region of each of the bores of a pair of opposing bores, the spring member being movable between a first relaxed, expanded position and a second, compressed position. In the first relaxed position, at least a portion of the spring member extends outwardly substantially transverse to the longitudinal axis of the bore and into the upper region of the bore and, in the second position, portions of the spring member are medially biased away from the longitudinal axis of the bore toward the outer wall of upper region of the bore, which increases the effective inner diameter of the upper region of the bore. | 01-21-2010 |
20100042161 | SURGICAL APPARATUS FOR OSTEOSYNTHESIS - A surgical apparatus for osteosynthesis, includes a plate ( | 02-18-2010 |
20100049256 | ANTERIOR CERIVCAL PLATING SYSTEM - Anterior cervical plating systems including an elongated anterior cervical plate with bone screw bores disposed near two opposite ends. The anterior cervical plate incorporates a curved plane transverse to the longitudinal axis to conform to the anterior surface of a vertebra and is also curved along the longitudinal axis to conform to the lordotic curvature between the vertebrae and may feature at least one through window in a middle bridge portion to provide an interface for a drill and tap guide assembly. Paired locking mechanisms provided on the anterior cervical plate provide rigid fixation of the bone screws to the anterior cervical plate with the heads of the bone screws flush or recessed below the upper curved surface of the anterior cervical plate. | 02-25-2010 |
20100069968 | ANTERIOR IMPLANT FOR THE SPINE - Implant for the cervical spine comprising an anterior plate ( | 03-18-2010 |
20100160973 | BONE FIXATION ASSEMBLY - A bone fixation assembly is provided and may include a fixation member defining at least one aperture. At least two locking features may be circumferentially spaced around an inner perimeter of the at least one aperture and may include a first end and a second end. The at least two locking features may each include a longitudinal axis extending substantially perpendicular to an axis extending through the at least one aperture. A fastener may include at least two discrete locking members respectively received in the at least two locking features at the first end. The at least two discrete locking members may be circumferentially spaced around an outer perimeter of the fastener, may extend from an outer surface of a head of the fastener, and may be received within the first end in an unlocked state and rotated from the first end to the second end in a locked state. | 06-24-2010 |
20100234899 | BONE PLATE AND BONE SCREW LOCKING SYSTEM - A bone plating system includes a bone screw lock that includes a circular disc with a hole which is offset from the geometric center of the disc, and a tang which extends down from the disc into a circular slot on the bone plate. | 09-16-2010 |
20100241174 | BONE SCREW RETAINING AND REMOVAL SYSTEM - A bone screw retention system is provided for a plate which defines a plurality of transversely extending bores that are configured to receive a bone screw for engaging the plate to the cervical spine. One or more retention members, having an elliptical, arcuate, straight, or other shape, can be positioned therein a cavity of the plate such that portions of the retention member(s) extend into a portion of an upper region of each bore to retain a bone screw therein. A bone screw removal device is provided, having at least one tongue member configured to selectively displace the one or more retention members to allow the bone screw to be removed from the respective bore. | 09-23-2010 |
20100249853 | DEVICE FOR THE OSTHEOSYNTHESIS OF PROXIMAL HUMERUS FRACTURES - A device for use in the treatment of proximal humerus fractures, having a substantially spoon-shaped body comprising a blade-like proximal portion provided with at least one seat, a plate-like and elongate distal portion provided with at least one seat, a central bulge, or block, including a central seat, the central bulge interposed between the proximal portion and the distal portion, a cylindrical counterbore obtained in the central bulge and communicating with the central seat, and an eccentric ring and annular seat, the eccentric ring positioned within the annular seat. | 09-30-2010 |
20100324604 | Device for Osteosynthesis - A device for osteosynthesis that includes a fixation element having at least one through hole designed to receive a pivotable bushing for a bone screw. The through hole having a central axis and a cross-section extending orthogonally to the central axis defined by two incomplete semicircles connected to each other by at least two non-circular cut outs forming grooves in the fixation element. The device also includes at least one bushing insertable in the through hole. The bushing has top and bottom surfaces, a longitudinal axis, a central bore designed to receive a bone screw, and a peripheral outside face having at least two outwardly extending protrusions defining an axis of rotation of the bushing extending through the protrusions. A cross section of the bushing orthogonal to the longitudinal axis is shaped such that the bushing is pivotable about the axis of rotation defined by the protrusions. | 12-23-2010 |
20110004254 | Magazine for receiving at least one bone screw and bone plate having such a magazine - To facilitate the insertion of bone screws into a bone plate, a magazine for receiving at least one bone screw is proposed, which comprises a device for releasably securing the magazine to a bone plate, a receiving chamber extending continuously from the upper side to the underside of the magazine, a bone screw being arranged in the receiving chamber in such a way that when the magazine is secured to the bone plate, the distal tip of the bone screw is directed at a screw-in opening in the bone plate, and the proximal end of the bone screw is accessible to a screwing-in tool from the upper side of the magazine, and a fixing device for releasably fixing the bone screw in the receiving chamber. The invention also relates to a bone plate having at least one such magazine releasably secured thereto. | 01-06-2011 |
20110029023 | SLIDE-TYPE ANTI-BACKOUT DEVICE FOR PROSTHESIS - A slide-type cervical plate includes an anti-backout device ( | 02-03-2011 |
20110029024 | FIXATION PLATE SCREW RETENTION - A screw fixation system includes a plate having opposed first and second surfaces, and a hole defined in the plate which extends between the first and second surface. A screw is included having a head and a shaft extending from the head and defining a longitudinal axis for the screw, the shaft of the screw being configured and adapted to be inserted into the hole. A retainer is circumferentially positioned around the shaft of the screw and proximate to the screw head. The retainer is configured to engage with the plate proximate the hole when the shaft of the screw has been inserted into the hole so as to resist removal of the screw from the hole and to allow removal of the screw from the hole when a preset torque is applied to the screw. | 02-03-2011 |
20110054542 | SYSTEM WITH INTEGRAL LOCKING MECHANISM - A system for affixing at least two portions of bone is provided. The system has a first end cap, a second end cap, and a linking member extending between the first end cap and the second end cap, wherein the first end cap has at least one leg configured to connect the linking member to the first end cap and configured to retain said connection. | 03-03-2011 |
20110071575 | Locking Securing Member - An implant system is disclosed. The implant system includes a securing member configured to fasten an implant to a bone. The securing member includes a drive receiving portion with at least two deflecting portions that are configured to undergo inward deflection during insertion of the securing member into a securing hole of the implant. The deflecting portions also include locking protrusions that are configured to engage locking recesses on an outer rim of the securing hole. | 03-24-2011 |
20110112584 | Osteosynthetic Implant With An Embedded Hinge Joint - An osteosynthesis implant includes at least one coupling in the form of a swivel joint. Each swivel joint includes at least one planar or annular swivel element and two connecting arms that define a pivot axis. The coupling permits rotation about each pivot axis. The implant and coupling may be formed of unitary construction, or a separate coupling may be connectable to the implant. The coupling may receive a bone fastener such as a bone screw, or may be used in applications that require the coupling to directly support portions of the body such as spinal features. | 05-12-2011 |
20110144700 | RESILIENT BONE PLATE AND SCREW SYSTEM ALLOWING BI-DIRECTIONAL ASSEMBLY - Bone screws and bone plates are provided that offer the surgeon the ability to either assemble the screws to the plate, or the plate to the screws, depending on the surgeon's preference and the patient's circumstances. The bone screws and bone plates of the present invention include a combination of geometric configurations that allow the screws and plates to fit together from different assembly directions. Additionally, the bone screws and bone plates can include material resilience features to allow expansion/contraction during assembly to allow bidirectional attachment to one another. | 06-16-2011 |
20110202092 | Variable Angle Fixation Element System - A device for stabilizing portions of bone, comprises a plate to be coupled to a target portion of bone including a first hole extending therethrough from a proximal surface to a distal, bone-facing, surface thereof and a first rigid member received within the first hole, the rigid member sized relative to the first hole to be rotatable therewithin about an axis substantially perpendicular to a proximal-distal axis of the first hole, the first rigid member including a first bore extending therethrough from a proximal opening to a distal opening, the first bore being sized and shaped to receive a first bone fixation element to be inserted through the plate into the target portion of bone in combination with a first deformable member coupling the first rigid member to the plate. | 08-18-2011 |
20110213421 | Bone Fixation Plate - An apparatus for reducing the profile of a bone fixation plate while, preventing backing out of screws is disclosed. The apparatus includes at least one section of relief and sections of engagement. The plate has at least two openings though which two screws can pass through bony tissue. As the screw is tightened, it will begin to lag the plate to the bone. When the screw head interferes with the plate at the interference point, there is a slight resistance that insertion forces can overcome. When the screw is advanced further, it snaps into the sliding fit area and is allowed to move freely. The forces that cause the screw to back out from the plate are preferably not strong enough to pass the screw head back past the interference section. It may be desirable to include a set screw to help prevent backout. | 09-01-2011 |
20110218576 | Plating Concept for Distal Radial Fractures - A bone fixation plate comprises a plate body extending from a first end configured for placement over a shaft of a bone to a second end configured and dimensioned for placement over an epiphysis of the bone, an outer diameter of the plate body increasing from the first end to the second end to substantially conform to dimensions of the bone. An opening extends through the plate from a first surface which faces away from the bone when mounted thereonto to a second surface which faces the bone when in the desired orientation, the opening being positioned so that, when mounted over the bone, a fracture of the bone is visible therethrough to aid in alignment of the bone plate. First and second holes extend through the plate, each of the first and second holes being structured to lockingly engage a threaded head of a bone fixation device inserted thereinto. | 09-08-2011 |
20110224735 | ODONTOID FRACTURE DYNAMIC COMPRESSION APPARATUS AND METHOD - A cervical fixation system and method for repairing odontoid fractures includes securing an anterior plate to caudal portion of C2 body below the odontoid neck. The anterior plate houses lag screw within a posterior shaft. A cannulated fixation device crosses the fracture site with fixation into the cephalad fragment. The lag screw can be pulled caudally into the plate with a compression screw to apply a compression force across the fracture site. | 09-15-2011 |
20110224736 | PROXIMAL HUMERUS FRACTURE REPAIR PLATE AND SYSTEM - Devices and systems for repairing bone fractures and more specifically a fracture repair plate that provides for fixation of a metaphysis to the diaphysis of a long bone, for instance a fracture between the proximal humerus and the diaphysis of the humerus. The fracture repair system includes an implantable repair fracture repair plate and a bone anchor for fixing the fracture repair plate to a bone. In one embodiment, the fracture repair plate may also be adapted to serve as an anchor for a suture. The fracture repair system may also include a fracture reduction mechanism attachable to the fracture repair plate for imparting a controlled translational movement between two bone segments along a plane that lies substantially parallel to the surface of the bone to which the fracture repair plate is attached and substantially parallel to the longitudinal axis of the bone shaft. | 09-15-2011 |
20110238121 | ORTHOPAEDIC PLATE AND SCREW ASSEMBLY - Systems, devices and methods are disclosed for treating fractures and other bone maladies. The systems, devices and methods may include one or both of a stabilizing structure, such as an implant, bone plate, or other device and a fastening assembly, such as an engaging member and a compression member. The stabilizing structure in some embodiments has a proximal section with a transverse aperture and a cross-section that may be shaped to more accurately conform to the anatomical shape of cortical bone and to provide additional strength and robustness in its lateral portions, preferably without requiring significant additional material. The fastening assembly may be received to slide, in a controlled way, in the transverse aperture of the stabilizing structure. In some embodiments, the engaging member and the compression member are configured so that the compression member interacts at least indirectly with the stabilizing structure and a portion of the engaging member to enable controlled movement between the first and second bone fragments. This configuration is useful for, among other things, compressing a fracture. | 09-29-2011 |
20110238122 | IMPLANT AND BONE SCREW HAVING INTERLOCKING CAMS - The invention relates to a fixation device for bones, consisting of all implant ( | 09-29-2011 |
20110251649 | BONE SCREW - In order to improve a bone screw with a shaft defining a longitudinal axis and with a head which can be brought into engagement with a bone screw receiving means of a bone plate for the releasable connection of the bone screw to the bone plate, wherein a securing element for securing a connection between the bone screw and the bone plate is provided, wherein the bone screw can be brought from a position of engagement, in which the bone screw is held on the bone plate, into a release position, in which the bone screw can be released from the bone plate, wherein the securing element can be brought from a non-securing position, in which the bone screw can be brought into the release position, into a securing position for securing the connection between the bone screw and the bone plate, in which the bone screw takes up the position of engagement, such that a bone plate can be fixed to bone parts more easily and more securely it is suggested that the securing element be supported on the bone screw so as to be movable. | 10-13-2011 |
20110295324 | TABBED COMPRESSION PLATE AND METHOD OF USE - An orthopedic fixation system includes a compression plate member, a lag screw member, and a plurality of threaded screw members for applying compression across a fracture site. The compression plate member has a generally planar body, an upper surface, and bone contacting surface. The planar body includes a plurality of through-apertures and a hinged tab member having an elongated through aperture, which is adapted to receive the lag screw member and cause the tab member to recess towards a bone divot formed in the underlying bone. The compression plate member is also adapted to receive the plurality of screw members within the through-apertures for fixably and threadably coupling the compression plate member across a fracture site. The lag screw member applies a direct compressive force across the fracture site through the deformable tab that is recessed in the bone divot. | 12-01-2011 |
20110307019 | System for Treating Bone Fractures - According to one example embodiment, a radius fixation plate includes a body portion configured to conform to a radius bone between a first extensor compartment and a second extensor compartment and dimensioned such that the body portion does not violate the first extensor compartment or the second extensor compartment. A first fixation device is configured to traverse through a first opening of the body portion and engage at least part of a radial styloid of the radius bone. | 12-15-2011 |
20110319942 | FLEXIBLE PLATE FIXATION OF BONE FRACTURES - Embodiments provide methods, apparatuses, and systems for fixation of a fractured bone. In various embodiments, the systems and plates may provide elastic suspension of the receiving holes relative to the osteosynthesis plate. This elastic suspension may promote load distribution between the screws that connect a bone segment to the plate, thereby reducing stress risers and load shielding effect. In addition, stress at the screw holes, and within the construct as a whole, is reduced by incorporation of these elastic elements in the plate. Additionally, in some embodiments, for instance if fracture healing by callus formation is desired, elastic suspension of the receiving holes relative to the osteosynthesis plate may enable small, controlled amounts of relative motion between bone fragments connected by the plate, which may promote fracture healing by callus formation. | 12-29-2011 |
20120029576 | Bone Fixation Device - A bone fixation device having a plastically deformable bone fixation body with at least one screw receiving aperture extending therethrough. The shape of the aperture being defined by a side wall with the side wall comprising a first threaded portion, a second smooth walled portion extending from the first threaded portion and a third smooth walled portion extending from the second smooth walled portion. The aperture having a step change in cross section between the second and third smooth walled portions defining a lip for abutment with the head of the screw. | 02-02-2012 |
20120095513 | RETAINING MECHANISM - A retaining mechanism for use in affixing a stratum to bone is disclosed. The retaining mechanism comprises a stratum, a shoulder element and a retaining element. The stratum comprises a first surface, a second surface, and at least one hole extending between the first surface and the second surface, wherein the second surface is configured to engage at least a portion of the bone. The shoulder element is configured to engage the stratum and configured to at least partially overlap the at least one hole. The retaining element is configured to engage the stratum and configured to at least partially overlap the shoulder element such that the shoulder element helps prevent inadvertent backing out of a fastener after the fastener has been fully inserted into the at least one hole. | 04-19-2012 |
20120136396 | POLYAXIAL FASTENER SYSTEMS AND METHODS - Systems for reducing a fracture in a bone, comprising a bone plate and a polyaxial fastener. In some examples the head of the polyaxial fastener has a deformable portion. As a fastener is inserted into an opening of a bone plate, threads located within the opening deform the deformable portion to secure the fastener in place at a desired angle within the opening. The head of the fastener also includes a bottom portion that bears against a portion of the opening to move the bone plate relative to the underlying tissue. A securing member or other structure may be included at the interface of the head and the deformable portion to secure the deformable portion to the head. At least one flute may be included on the deformable portion that provides a lead-in for the threads within the opening to cut into the deformable portion. | 05-31-2012 |
20120150235 | METHOD AND APPARATUS FOR ATTACHING SOFT TISSUE TO BONE - A repair system comprising at least one anchor, screw, or plate comprising a body and a suture capture element formed in the body for attaching at least one suture to the anchor, screw, or plate. The suture capture element being configured so as to permit the suture to be snared by the suture-capture element after the anchor, screw, or plate has been attached to bone. | 06-14-2012 |
20120150236 | BONE REPAIR SYSTEMS - Bone treatment plate assemblies, methods of fabrication, and methods of use. Such assemblies comprise spring structures assembled to bone treatment plates. The spring structure comprises elongate bands, and springs between the bands, urging the bands against structure of the plate. Spring width is less than spring height and/or one or more protuberances extending from the band or bands cooperate with one or more detents in the plate thereby to arrest longitudinal movement of the spring structure with respect to the plate. | 06-14-2012 |
20120197307 | BONE PLATE HAVING COMBINATION LOCKING AND COMPRESSION SCREW HOLES - A bone plate including a combination locking and compression screw hole having a top opening and a bottom opening, the top opening being generally circular and including a widthwise dimension and a lengthwise dimension normal to the widthwise dimension, where an interior wall of the bone plate extends between the top opening and the bottom opening, where at least a portion of the interior wall proximate the top opening is threaded, and where at least one of the widthwise dimension and the lengthwise dimension is decreased between the top opening to the bottom opening, while the other of the widthwise dimension and the lengthwise dimension does not substantially decrease between the top opening and the bottom opening. The instant disclosure also includes a method of forming a bone plate comprising: (a) fabricating a bone plate to include a first through hole, where at least one of a width and a length of the hole changes along a depth of the hole; (b) plunge milling an interior surface of the bone plate demarcating the first through hole to remove at least a portion of the bone plate to increase at least one of the width and the length of the through hole; and (c) threading at least a portion of the first through hole. | 08-02-2012 |
20120197308 | BONE FIXATION SYSTEM - The invention provides embodiments of a bone fixation system having a bone plate and a specialized screws system. The bone plate includes one or more bi-directional combination holes that can accommodate two bone screws in the same hole, the screws being oriented in non-parallel direction. In accommodating two screws in the same hole, one of the screws has a by-pass head. | 08-02-2012 |
20120232596 | MULTI-ADJUSTABLE PLATE FOR OSTEOTOMY - The invention relates to a mechanical device intended for correcting a malformation of the bones of the body. The device is continuously adjustable, making the surgeon's work easier and reducing surgery time, thus reducing the risk of infection and, above all, guaranteeing the desired precision for surgery. The device comprises a top plate ( | 09-13-2012 |
20120253407 | BONE FIXTURE ASSEMBLY - An assembly for rigid bone fixation includes a plate and a screw. The screw can be rotated freely within the plate in a non-locking configuration to secure the plate against the bone. A locking mechanism is engaged to prevent the screw from moving relative the plate. In one embodiment, the plate includes a threaded portion and a non-threaded portion. The screw head rotates within the non-threaded portion to tighten the screw and pull the plate against the bone. The locking mechanism can include a moveable nut that rotates within the threaded portion of the plate to lock the screw and plate in a locking mode. The locking mechanism can include a second screw to actuate and expansion portion of screw inserted into the bone. The assembly can be used for rigid fixation of bones that experience cyclic loads, such as the sternum and mandible. Methods of rigid bone fixation are also described. | 10-04-2012 |
20120259371 | DEVICE FOR OSTEOSYSNTHESIS - A bone plate system includes (a) Bone Plate having a bottom surface for contacting bone, an upper surface and at least one through hole extending from the bottom surface to the upper surface, the through hole having a central axis and a cross-section that extends orthogonally to the central axis and is one of at least partially polygonal, at least partially prismatic, and at least partially elliptical; (b) Bushing within the through hole, Bushing including a central bore designed to receive a bone fixation element, a cross-section of Bushing orthogonal to the longitudinal axis of Bushing is shaped substantially the same as the cross-section of the through hole so that Bushing is secured against rotation about its longitudinal axis; and (c) at least one Bone Fixation Element having a portion for anchoring within bone, Bone Fixation Element configured and dimensioned for insertion into the central bore of Bushing. | 10-11-2012 |
20120265254 | TIBIAL PLATEAU LEVELING OSTEOTOMY PLATE - An improved tibial plateau leveling osteotomy plate is disclosed. The plate is contoured in its proximal head portion to more closely resemble the structure of the tibial bone segment that is cut and rotated during the procedure. The plate also preferably has screw holes in the proximal head portion that are machined through the pre-contoured proximal head portion and are designed to angle the screw in a targeted screw path with respect to the osteotomy. | 10-18-2012 |
20120277803 | BONE PLATE & METHOD FOR MANUFACTURING - A method of manufacturing an orthopedic plate is disclosed. The method comprises the following steps: providing a stratum comprising a first surface for engaging bone and a second surface opposing said first surface, wherein the stratum comprises a fastener hole for receiving a fastener, wherein the fastener has a head and a shaft; providing a retaining element comprising a head and a shaft; creating a retaining hole for receiving the retaining element, wherein the retaining element extends through at least the second surface; placing the retaining element into the retaining hole to reach a fully-inserted position; cutting a portion of the head of the retaining element such that the head of the fastener can be inserted through the fastener hole and pass by the head of the retaining element to reach a fully-inserted position of the fastener. Also, an orthopedic plate made using the disclosed method is disclosed. | 11-01-2012 |
20120323283 | BONE FIXTURE ASSEMBLY - An assembly for rigid bone fixation includes a plate and a screw. The screw can be rotated freely within the plate in a non-locking configuration to secure the plate against the bone. A locking mechanism is engaged to prevent the screw from moving relative the plate. In one embodiment, the plate includes a threaded portion and a non-threaded portion. The screw head rotates within the non-threaded portion to tighten the screw and pull the plate against the bone. The locking mechanism can include a moveable nut that rotates within the threaded portion of the plate to lock the screw and plate in a locking mode. The assembly can be used for rigid fixation of bones that experience cyclic loads, such as the sternum and mandible. Methods of rigid bone fixation are also described. | 12-20-2012 |
20120323284 | VARIABLE ANGLE LOCKING IMPLANT - A variable angle locking implant includes a bone plate having a lower surface, an upper surface, and at least one opening extending from the lower surface to the upper surface along an axis. The opening has a plurality of fins oriented along a plane. The axis is non-perpendicular to a tangent of a projection of the lower surface across the opening, the tangent defined at the intersection between the axis and the projected lower surface, and/or the plane is non-parallel to the tangent. The implant includes at least one fastener, and the plurality of fins are deflectable relative to a head portion of the fastener such that the fastener can be inserted and retained at any one of a plurality of angles. | 12-20-2012 |
20130013002 | ORTHOPEDIC IMPLANT WITH LOCKING ELEMENT - An orthopedic implant with a locking element for locking a bone screw in a bone screw receiving hole of the implant. | 01-10-2013 |
20130023940 | Locking Confirmation Mechanism For a Bone Screw and Plate Assembly - Novel bone screw and plate assemblies including locking confirmation mechanisms are provided. In certain cases, a locking confirmation mechanism is operably attached to the plate, and comprises a toggling arm having an upper portion, a mid-portion and a lower portion. When a bone screw is positioned in a plate in an unlocked configuration, the locking confirmation mechanism assumes a first position. When the bone screw is positioned in the plate in a locked configuration, this causes the locking confirmation mechanism to pivot and assume a second position. The locking confirmation mechanism thus provides a convenient visual and/or tactile means to assess when the screw is in a locked configuration. | 01-24-2013 |
20130060289 | BONE SCREW RETAINING SYSTEM WITH PINNED RETAINER - A bone screw retention system is provided for a plate which defines a plurality of transversely extending bores that are configured to receive a bone screw for engaging the plate to the cervical spine. The retention member has a body and two legs extending therefrom the body. The legs are moveable from a first position to a second position, thereby enabling or preventing movement of a bone screw therein the bores. | 03-07-2013 |
20130096633 | Orthopedic Anchor Assembly - An orthopedic assembly is described that comprises an orthopedic device, an anchor, and a locking mechanism. The orthopedic device can be a plate member having an aperture that is configured to receive the anchor. The anchor can include a head, neck and shank portion. The head portion can include a plurality of arms separated by grooves that are capable of splaying. The assembly is configured such that when the locking mechanism is inserted into the head portion, this causes expansion of the arms of the head. This expansion locks and secures the anchor to the orthopedic device. Various instruments are provided that can deliver the locking mechanism to the anchor, and can provide impact to lock functionality. | 04-18-2013 |
20130138156 | OSTEOSYNTHESIS DEVICE - The osteosynthesis device includes a plate for pressing against a bone and at least one threaded rod for holding the plate on the bone, the rod presenting a first thread for anchoring the rod in a bone and a second thread for co-operating with a tapped thread formed in the plate, the device being characterized in that the thread root of the second thread defines a body of cylindrical shape and in that the thread crest of the second thread defines a truncated cone. | 05-30-2013 |
20130158608 | PLATE AND CANNULATED TRANSFIXATION SCREW SYSTEM FOR HUMAN IMPLANT - A system for securing first and second bones together across a joint includes a fixation plate comprising a body having a longitudinal axis and first and second ends. A locking screw hole is disposed proximate to the first end. One or more attachment screw holes are disposed in the body. The system includes a screw comprising an elongate hollow body having openings at first and second ends and having a tip at the first end and a head at the second end. | 06-20-2013 |
20130165981 | Bone Plate System for Osteosynthesis - A bone plate system for osteosynthesis comprises a bone plate, a swivel screw, a clamping screw, a swivel hole formed in the bone plate as a through hole for receiving the swivel screw polyaxially, and a clamping hole, which is associated with the swivel hole and is formed in the bone plate as a further through hole for receiving the clamping screw. When the swivel screw and the clamping screw are screwed in, they are fixed with angular stability in multiple dimensions, as the screw heads of the swivel screw and of the clamping screw are secured by one another and by the bone plate against relative movement. The swivel screw and the clamping screw are each designed as a bone screw. | 06-27-2013 |
20130184766 | Securing Fasteners - A polyaxial fastener is secured within an implant with a retaining ring. The ring is assembled onto a circumferential groove formed in the fastener head. The groove and ring are positionable, when the fastener is installed into an implant, at a wide portion of the mating polyaxial aperture in the implant. The ring is compressible into the groove to form a narrowed diameter, which is passable into a narrow diameter of the aperture, near an entrance to the aperture. The ring is released to expand and increase an overall diameter of the head and ring assembly, thereby rending the assembly too wide to pass by the narrow entrance to the aperture, thereby securing the assembly within the implant. | 07-18-2013 |
20130204306 | BONE PLATE SCREW-BLOCKING SYSTEMS AND METHODS - A bone plate screw-blocking system and method that comprises a plate with at least two bone screw receiving holes, blocking elements, bone screws, and a tool capable of simultaneously actuating at least two blocking elements. The plate includes an upper surface and a lower surface with bone screw receiving holes that extend through both surfaces of the plate. The bone screws couple the plate to the bone via the bone screw receiving holes. The blocking elements are movably positioned proximate each bone screw receiving hole. In an initial unblocked position, the blocking elements do not cover the bone screw receiving holes. Upon movement into final blocked positions, the blocking elements cover at least a portion of the bone screw receiving holes and preferably extend over at least a portion of the bone screw during use. | 08-08-2013 |
20130211462 | DRILL GUIDE WITH ANCHORING MEMBER - The present invention relates to a surgical drill guide having an anchoring mechanism for locking the drill guide to a bone plate. The anchoring mechanism is adapted to be received through an opening of a bone plate and rotated to lock the drill guide to the bone plate. The anchoring mechanism can be rotated by a driver, which has a distal end key that fits into a corresponding socket of on the proximal portion of the anchoring mechanism. The present invention also relates to a kit including a bone plate, a driver, and the drill guide and a method for using the kit to perform surgery. | 08-15-2013 |
20140025123 | METHOD AND DEVICE FOR CORRECTING BONE DEFORMITIES - The present invention is a method and device for the correction and reduction of bone deformities, such as metatarsus primus adductus, using a plate body with winged buttresses and dorsal loop. The method and device can be affixed to a bone without any drilling or violating of the bone and can use a tethering technique which does not require drilling into the second metatarsal, nor does it require the placement of a prominent suture knot/button device medially along the first metatarsal. | 01-23-2014 |
20140081337 | STERNAL PLATE TYPE STERNAL CLOSURE COMPRISING AN INTEGRAL SEVERING SITE MEMBER - The invention relates to a sternal closure for closing a cleft in a sternum, wherein in each of a first and a second securing area at least one hole is provided for receiving bone screws, the two securing areas being adapted to be screwed on each side of the cleft, wherein a severing site member joining the two securing areas and being integrally connected thereto is provided. | 03-20-2014 |
20140088653 | Bone Plate With Retainer and Stop for Screw Lock - A bone plate, having a bone screw and a rotatable lock for retaining the bone screw in place, includes a retainer element and/or a stop element. The retainer element inhibits the lock from being pushed off of the bone plate, while the stop element limits the rotational range of motion of the lock. | 03-27-2014 |
20140121711 | OSTEOSYNTHESIS DEVICE WITH PLATE AND PINS - The invention present disclosure relates to an osteosynthesis device comprising, on the one hand, a plate ( | 05-01-2014 |
20140128925 | Facet Joint Prosthesis - A facet joint prosthesis comprising an inferior prosthetic portion and a superior prosthetic portion is disclosed. Inferior prosthetic portion includes a first anchor member and a first articulating member and superior prosthetic portion includes a second anchor member and a second articulating member. The first articulating member comprises a support portion and first articulating surface and the second articulating member comprises a second articulating surface, and first and second articulating surfaces are configured and dimensioned to contact or engage one another. A flexible element is positioned between the support portion and the first articulating surface. | 05-08-2014 |
20140148860 | Expanding Blade Screw Retention System - Disclosed are devices, systems, methods and surgical techniques for the retention of bone screws used in surgical applications. Various aspects of the invention include features to retain bone screws that are placed in an elongated plate and into a bony member to create a rigid construct and stabilize the member for the purpose of fusion. When the screws are placed through the plate, the retention systems can be engaged to prevent the screws from backing out. | 05-29-2014 |
20140214092 | Bone Plate - A bone plate has a through-hole that extends from an upper side to a bone-side underside of the bone plate. A lip is formed in the through-hole, which lip projects from the lateral surface of the through-hole and extends in the circumferential direction of the through-hole. The lip extends over part of the circumference of the through-hole. In a circumferential section of at least 120° that lies opposite the lip, the lateral surface is free of a lip. Material is reshaped only to a lesser extent compared to a lip that extends over the entire circumference of the through-hole. The risk of complications occurring due to deposited particles is reduced. | 07-31-2014 |
20140243908 | RESILIENT BONE PLATE AND SCREW SYSTEM ALLOWING BI-DIRECTIONAL ASSEMBLY - Bone screws and bone plates are provided that offer the surgeon the ability to either assemble the screws to the plate, or the plate to the screws, depending on the surgeon's preference and the patient's circumstances. The bone screws and bone plates of the present invention include a combination of geometric configurations that allow the screws and plates to fit together from different assembly directions. Additionally, the bone screws and bone plates can include material resilience features to allow expansion/contraction during assembly to allow bidirectional attachment to one another. | 08-28-2014 |
20140296924 | ORTHOPEDIC PLATES FOR USE IN CLAVICLE REPAIR AND METHODS FOR THEIR USE - The present invention relates to a series of orthopedic plates for use in repair of a bone. The plate has a Y-shaped profile or an X-shaped profile which includes an elongate central trunk with a complex contour and either one or two terminal pairs of arms that have a first arm and a second arm that form differing angles and lengths relative to the trunk portion of the plate. The arms include locking screw holes where the screws converge toward each other to provide for multiplanar fixation but which do not impinge. | 10-02-2014 |
20140296925 | Orthopedic Anchor Assembly - An orthopedic assembly is described that comprises an orthopedic device, an anchor, and a locking mechanism. The orthopedic device can be a plate member having an aperture that is configured to receive the anchor. The anchor can include a head, neck and shank portion. The head portion can include a plurality of arms separated by grooves that are capable of splaying. The assembly is configured such that when the locking mechanism is inserted into the head portion, this causes expansion of the arms of the head. This expansion locks and secures the anchor to the orthopedic device. Various instruments are provided that can deliver the locking mechanism to the anchor, and can provide impact to lock functionality. | 10-02-2014 |
20140296926 | Bone Plate Having Combination Locking and Compression Screw Holes - A bone plate including a first side and a second side and configured to locate a locking screw and a compression screw. The bone plate includes a top surface and a bottom surface each extending between the first side and the second side. A plurality of holes extend from the top surface to the bottom surface include a hybrid screw hole configured to accept both a locking screw and a compression screw, a first form hole configured to accept a locking screw, and a second form hole having an elongated shape with a non-circular cross-section configured to accept a compression screw. An interior wall of the bone plate extends between a top opening and a bottom opening of the hybrid screw hole wherein the interior wall includes a threaded first portion proximate the top opening and an unthreaded second portion extending from the bottom opening. | 10-02-2014 |
20140309703 | ORTHOPEDIC PLATES FOR USE IN CLAVICLE REPAIR AND METHODS FOR THEIR USE - The present invention relates to a series of orthopedic plates for use in repair of a bone. The plate has a Y-shaped profile or an X-shaped profile which includes an elongate central trunk with a complex contour and either one or two terminal pairs of arms that have a first arm and a second arm that form differing angles and lengths relative to the trunk portion of the plate. The arms include locking screw holes where the screws converge toward each other to provide for multiplanar fixation but which do not impinge. | 10-16-2014 |
20140324108 | BONE PLATE WITH TRANSVERSAL SLOTS FOR RECEIVING A FASTENER - A bone plate is provided including a first slot oriented along a longitudinal axis and a slider longitudinally displaceable along the first slot, said slider including a second slot oriented transversely to the longitudinal axis. | 10-30-2014 |
20140371800 | BONE PLATE SCREW-BLOCKING SYSTEMS AND METHODS - A bone plate screw-blocking system and method that comprises a plate with at least two bone screw receiving holes, blocking elements, bone screws, and a tool capable of simultaneously actuating at least two blocking elements. The plate includes an upper surface and a lower surface with bone screw receiving holes that extend through both surfaces of the plate. The bone screws couple the plate to the bone via the bone screw receiving holes. The blocking elements are movably positioned proximate each bone screw receiving hole. In an initial unblocked position, the blocking elements do not cover the bone screw receiving holes. Upon movement into final blocked positions, the blocking elements cover at least a portion of the bone screw receiving holes and preferably extend over at least a portion of the bone screw during use. | 12-18-2014 |
20150025588 | FLEXIBLE PLATE FIXATION OF BONE FRACTURES - Embodiments provide methods, apparatuses, and systems for fixation of a fractured bone with a bone plate. In various embodiments, the systems and plates provide elastic suspension of the receiving holes relative to an osteosynthesis plate. This elastic suspension can promote load distribution between the screws that connect a bone segment to the plate, thereby reducing stress risers and load shielding effect. In addition, stress at the screw holes, and within the construct as a whole, is reduced by incorporation of these elastic elements in the plate. Additionally, in some embodiments where fracture healing by callus formation is desired, elastic suspension of the receiving holes relative to the osteosynthesis plate can enable small, controlled amounts of relative motion between bone fragments connected by the plate. This relative motion can promote fracture healing by callus formation. | 01-22-2015 |
20150051651 | POLYAXIAL LOCKING MECHANISM - A bone plate system comprises a bone plate including a first surface and a second surface, the bone plate including at least one threaded aperture, the threaded aperture being tapered between the first surface and the second surface. The bone plate system further comprises at least one fastener including an elongate shaft and a threaded head, the threaded head being tapered between a proximal end of the threaded head and a distal end of the threaded head, wherein a plurality of circumferentially spaced recesses are formed in the threaded head and define a plurality of threaded tabs. The at least one fastener is configured for insertion within the at least one threaded aperture at a plurality of different insertion angles while achieving a locking engagement between the threaded head and the threaded aperture. | 02-19-2015 |
20150100095 | BONE PLATES, SCREWS AND INSTRUMENTS - Systems for trauma and/or joint fusion implants and instruments include transarticular screw and intra-articular washer, polyaxial screw and plate, single- and multi-level polyaxial bone clamps, and minimally invasive adaptations. | 04-09-2015 |
20150142065 | Device for Fixing an Elongate Element in a Retaining Structure - A fixation device is used to fix an elongate element, in particular a wire, in an opening of a retaining structure, in particular of an implant plate. The fixation device has a main body. The main body is provided with a bore for receiving the elongate element. The main body is radially deformable in a clamp area, such that the diameter of the bore can be reduced. The main body has an outer contour which is designed in such a way that, when the fixation device is inserted into the opening of the retaining structure, the clamp area is deformed such that the elongate element is clamped securely in the bore. | 05-21-2015 |
20150289908 | REVISABLE ANTERIOR CERVICAL PLATING SYSTEM - An improved anterior cervical plating system and methods of cervical fusion using such a system are provided. The cervical plating system includes an interlocking mechanism that integrated into each of the plates such that any two plates may cooperatively engage through the interlocking mechanism such that a new cervical plate can be interconnected with a pre-existing plate during revision surgery without removal of the pre-existing plate. | 10-15-2015 |
20160058480 | FASTENER, SPINAL INTERBODY SYSTEM INCLUDING SAME AND METHOD - The disclosed subject matter includes a fastener, a system and methods for use and manufacture. The fastener can include a head disposed at a proximal end of the fastener, a shaft connected to the head, and at least one of the head and the shaft can include a plurality of flat surfaces. A collar can extend about the longitudinal axis of the fastener and can have a proximal-most surface spaced in a longitudinal axis direction away from a proximal-most surface of the fastener. The collar can include a plurality of petals spaced about the longitudinal axis, each of the plurality of petals including a flat surface facing a respective one of the plurality of flat surfaces of the at least one of the head and the shaft. A plate and/or a cage can be included with the fastener for use in a spinal connection, kit or repair system. | 03-03-2016 |
20160074083 | IMPLANTS FOR CREATING CONNECTIONS TO TISSUE PARTS, IN PARTICULAR TO SKELETAL PARTS, AS WELL AS DEVICE AND METHOD FOR IMPLANTATION THEREOF - A method for locating a material having thermoplastic properties in pores of bone tissue includes providing a pin having the material having thermoplastic properties and a core, wherein the material having thermoplastic properties is arranged on the circumferential surface of the core constituting an outer region of the pin. An opening is provided in the bone tissue, and the pin is positioned at least partly in the opening. The outer region of the pin is then impinged with mechanical vibration energy for a time sufficient for liquefying at least part of the material having thermoplastic properties, and, in a liquefied state, pressing it into the pores of the bone tissue surrounding the opening. The vibration energy is stopped for a time sufficient for re-solidification of the liquefied material, and then the core is removed. | 03-17-2016 |
20160151099 | BONE FIXATION DEVICE | 06-02-2016 |
20160249962 | ORTHOPEDIC ANCHOR ASSEMBLY | 09-01-2016 |