Abstract: Described is a femur fracture fixation device for treating a fractured, proximal end portion of a femur. The femur fracture fixation device comprises: an intramedullary nail; an extramedullary plate, including a main body portion for attachment to a lateral surface of the femur, and a posterior support portion extending from the main body portion for attachment to a posterior surface of the greater trochanter region of the femur; and a bone fastener, configured for insertion through an opening of the main body portion of the extramedullary plate, through an opening of the intramedullary nail, and into the head portion of the femur.

Abstract: A fastener device includes an anchor body that defines a through hole. The anchor body further includes an inner surface that defines a least a portion of the through hole. The fastener includes a head, a threaded shaft that extends out with respect to the head in a distal direction, and a neck between the head and threaded shaft. The head includes an outer surface configured to articulate along the inner surface when the fastener head is inserted in the through hole. At least a portion of the outer surface is convex and defines a portion of a sphere that defines a first diameter. The neck defines a second diameter and the fastener defines a ratio of the first diameter to the second diameter in a range between about 2 to 1 and about 3 to 1.

Abstract: Described herein is an anti-skid surgical instrument for use in preparing holes in bone tissue. The disclosed surgical instrument provides the ability to prepare a precise hole in bone tissue during surgery (e.g., spinal surgeries and pedicle screw placement, intramedullary screw placement). The disclosed surgical instrument accomplishes precise hole placement regardless of whether the angle between the drill axis and surface of the bone tissue is perpendicular. The disclosed technology includes a flat drilling surface which is perpendicular to the surface of the body of the surgical instrument. This reduces the likelihood of the surgical instrument skidding on the surface of the bone tissue and thereby increases the precision of the hole.

Abstract: A hybrid radiolucent screw having radiopaque components and radiolucent components, which collaboratively define a tip of the screw and a head of the screw. In this manner, distortion is minimized during fluoroscopy or radiography of the screw while visualization of the screw and surrounding area is enhanced.

Abstract: A bone plate system for use with fasteners for fixation of a fractured bone, including a bone plate having an elongate shaft for placement against the bone. The bone plate further has at least one threaded hole for receiving at least one fastener, with each hole having a central axis. The plate further has a bone contacting first surface, an opposite second surface, a thickness extending in a dimension between said first and second surfaces; and at least one tubular drill guide cap. The drill guide cap is engageable with a first hole of at least one threaded hole, the cap having a threaded exterior, an internal bore, a proximal end, and a distal end.

Abstract: A method and apparatus for changing a configuration of a bone. The method includes the steps of: fixing a first part of a bone plate to the bone at a first location; securing a guide assembly in an operative position in relationship to the bone; engaging a bone part moving assembly with the bone at a second bone location spaced from the first bone location; cutting the bone to define first and second bone sections and so that the bone part moving assembly engages the second bone section and the first bone location is on the first bone section; relatively repositioning the first and second bone sections into a desired relationship and thereby causing a part of the bone part moving assembly to move guidingly, together with the second bone section, in a controlled path; and fixing the first and second bone sections in the desired relationship.

Abstract: A tool for delivery and/or compaction of bone graft material includes a cannula with an inner lumen extending along a longitudinal axis from a hopper end of the cannula to a delivery tip of the cannula. A hopper with an internal volume for storing bone graft material is connected to the hopper end of the cannula with the internal volume of the hopper in communication with the inner lumen of the cannula for delivery of bone graft material from the hopper to the delivery tip of the cannula. An output shaft within the inner lumen extends along the longitudinal axis. The output shaft includes a helical screw thread extending radially outward from the output shaft toward an inner surface of the cannula. An actuator is connected to the hopper and to the output shaft to drive the output shaft rotationally relative to the hopper and to the cannula.

Abstract: A bone plate having at least one variable angle locking hole is described. The variable angle locking hole allows a bone anchor having a threaded head to be driven into underlying bone while oriented at an angle with respect to a central hole axis of the hole that is within a range of angles at which the head is configured to threadedly mate with the at least one thread of the bone plate. Accordingly, the bone anchor can be driven into the underlying bone until the threaded head threadedly purchases with the bone plate inside the variable angle locking hole.

Abstract: An expandable access port includes a port body transitionable between expanded and collapsed configurations. The expandable access port also includes a plug with a first portion secured to the port body and a second portion flexibly coupled to the first portion by an arm. The first portion has an orifice and the second portion has a post insertable into the orifice. A tube is attached to an inflation port on the first portion of the plug. The tube is attachable to a source of inflation fluid and in fluid communication with a chamber of the port body. A lumen extends through the port body and is configured to slidably receive the post or a surgical instrument therethrough. The lumen forms a fluid-tight boundary when the port body is in the expanded configuration.

Abstract: Implants and instruments for providing an ideal trajectory for the insertion of instruments and screws during implantation of an interbody implant in a spinal surgery are disclosed.

Abstract: The present invention relates to an apparatus and method for near-simultaneous and integrated delivery of bone graft material during the placement of surgical cages or other medical implants in a patient's spine. The integrated fusion cage and graft delivery device according to various embodiments delivers and disperses biologic material through a fusion cage to a disc space and, without withdrawal from the surgical site, may selectively detach the fusion cage for deposit to the same disc space. The integrated fusion cage and graft delivery device is formed such that a hollow tube and plunger selectively and controllably place bone graft material and a fusion cage in or adjacent to the bone graft receiving area. In one embodiment, the integrated fusion cage is an expandable integrated fusion cage. In another embodiment, the bone graft material is loaded into a breech area in the hollow tube.

Abstract: A retention system includes a first member having an inner surface defining a first thread form. The first thread form includes a first stage having a first pitch and a second stage having a second pitch that is greater than the first pitch. A second member includes a shaft and a neck. The shaft includes an outer surface defining a second thread form configured to engage the first thread form to lock the second member with the first member. The neck includes a smooth unthreaded section. Methods of use are disclosed.

Abstract: An implant including first and second end plates, each of which defines at least one anterior ramped surface and at least one posterior ramped surface. A posterior actuator is positioned between the first and second end plates and has guiding ramp surfaces which correspond with the posterior ramped surfaces. An anterior actuator is positioned between the first and second end plates and guiding ramp surfaces which correspond with the anterior ramped surfaces. An actuator assembly extends between the posterior actuator and the anterior actuator and is configured to selectively move the posterior actuator and the anterior actuator simultaneously, move posterior actuator independently of the anterior actuator, or move the anterior actuator independently of the posterior actuator.

Abstract: Expandable fusion devices, systems, and methods thereof. The expandable implant may include first and second lateral legs and link plates pivotably joined between them. The lateral legs may include upper and lower endplates configured to engage adjacent vertebrae, an actuator assembly including a rotatable actuator having a shaft and a rotatable nut, and driving ramps positioned along the shaft of the actuator. The actuator assembly may cause independent movement of one or more of the driving ramps, thereby causing an expansion in height of the upper and lower endplates of the lateral legs and passive expansion of the connected link plates.

Abstract: The present invention relates generally to implants used in medical procedures such as bone fixation or fusion. More specifically, this application relates to fenestrated implants used in bone fixation or fusion.

Abstract: A bone fusion screw comprises a hollow elongated body having a longitudinal axis extending between a proximal end and an open distal tip. The body defines an inner chamber bounded by an inner surface of the body extending between the proximal end and the distal tip. The body includes threads formed along at least a portion of the outer surface. At least one wedge-shaped tooth extends axially distally from the distal tip. The tooth comprises a cutting edge for cutting bone as the body is rotated. An intermediate fluted portion adjacent the distal tip comprises at least one flute. The flute has a first end adjacent the tooth at the distal tip for assisting removal of bone cuttings from the cutting edge and a second end intersecting the threads along the body. The body defines a plurality of apertures opening into the chamber.

Abstract: A load sharing bone plate has a plurality of directional apertures configured to effectively support and share the load with a fractured bone to promote healing. A load sharing bone plate may have a body portion that is thinner and be configured to be secured with smaller fasteners than conventional bone plates. A load sharing bone plate has a plurality of directional apertures, configured to direct a fastener is a specific orientation, such as in an oblique angle to the length and/or in an oblique angle to the width of the bone plate. A load sharing bone plate may be configured with a load sharing extension on at least one end that is configured to reduce stress concentration at the end of the bone plate. A load sharing extension may have a tapered thickness and/or width from the body portion to the extended end.

Abstract: The present invention relates generally to implants used in medical procedures such as bone fixation or fusion. More specifically, this application relates to fenestrated implants used in bone fixation or fusion.

Abstract: Systems and methods are described for treating distal radius fractures using a plating system. In an aspect, a distal radius plating system includes a volar plate body for interfacing with a volar side of a distal portion of a radius bone. The volar plate body has a volar head portion extending from the volar plate body and terminating at a distal edge, the volar head portion including a first set of apertures to receive fixation fasteners therethrough to fix to the radius bone. The distal radius plating system also includes a radial longitudinal portion extending from a radial edge of the volar plate body to interface with the radial styloid of the radius bone while the volar plate body is positioned on the volar side of the distal portion of the radius bone.

Abstract: A measuring adapter (1) for a measuring instrument for use in connection with hip prosthesis surgery is provided. The measuring adapter (1) comprises a measuring head (2) and a connector (3); the measuring head (2) comprises a front end (2a), a rear end (2b) and an upper surface (4a). The upper surface (4a) is convex. The measuring head (2), along an axial direction of the measuring adapter (1), further comprises a central through-going bore (5) adapted to receive an actuating rod (8). The measuring head (2) is adapted to expand from a relaxed state to an expanded state when the actuating rod (8) is axially displaced in the central through-going bore (5); and the measuring head (2) is divided into at least two separate sections (6). The connector (3) is hollow and slotted at one end in axial direction of the measuring head (2) into a number of legs (7), the number of legs (7) corresponding to the number of the at least two separate sections (6) of the measuring head (2).