Abstract: An intramedullary rod for use with a fastener to repair a femur includes an elongate nail extending along a longitudinal axis and having a stem and a head. The head is provided with an aperture extending along an axis at an angle to the longitudinal axis for receiving the fastener. A mechanism is carried by the head for pivoting the axis of the aperture from a first angled position relative to the head to a second angled position relative to the head. A method for using the rod and fastener is provided.

Abstract: Provided herein are methods, devices and kits for reducing the risk of fracturing a bone. A device is provided comprising an implantable pad for absorbing, deflecting, and/or diffusing an exterior impact force on a bone. A device is provided for strengthening and/or reinforcing a bone at typical fracture sites prior to fracture and/or along lines of tension and compression forces. The devices may comprise a coil adapted to be implanted in the bone. The device may comprise a rod adapted to be implanted in the bone. The devices may comprise a deployable element adapted to be deployed in the bone. The device may comprise a scaffold adapted to be implanted in the bone. The device may comprise a reinforcing material and/or means for reinforcing and/or strengthening the bone at typical fracture sites prior to fracture and/or along lines of tension and compression forces.

Abstract: A disposable device for treatment of infections of human limbs, particularly limbs having long bones susceptible to stabilization by intramedullary nailing. The device comprises a tubular member (2) made of a relatively rigid and biologically compatible base material, having pores (2?) for impregnation with drugs or medicaments for infection treatment prior to or during insertion thereof in the stabilization site. An assembly for treatment of human limb infections comprising such device.

Abstract: An orthopaedic implant fixation using a surgically created bone cavity as a mold for forming an anchor from an in-situ hardenable material. An in-situ formed anchor of the present invention is especially useful for attaching an implant to osteoporotic cancellous bone. The injectable nature of the in-situ formed anchor allows implants to be adapted to minimally invasive surgical techniques. The present invention can be adapted to numerous implants or implant system components to include fasteners, pins, nails, intramedullary nails, and suture anchors. Applications include bone fracture fixation, bone fracture prevention, and soft-tissue repair.

Abstract: A foot surgery bone plate for osteosynthesis and/or fixation of foot-bone segments, with a plate-shaped bearing portion which has at least one through-opening extending from a top face of the bone plate to a bottom face of the bone plate and provided for a bone screw, which bearing portion is designed for external fixation on a first bone segment. An intramedullary portion is provided which has at least one through-opening extending from the top face of the bone plate to the bottom face of the bone plate and provided for a bone screw, which intramedullary portion is designed for introduction into a second bone segment. A system is provided comprising a bone plate and an insertion aid.

Abstract: Disclosed is an intramedullary nail and a method for embedding and extracting the same through which the problem of having difficulty to correctly determine the position of the intramedullary nail is solved, and the present invention has the following advantages: a correct and rapid determination of the position of the extracting incision, a small incision, a small hurt, a low infection rate, and a quick healing. The intramedullary nail comprises a nail main body; an end cover connected with a tip of the nail main body; a mark body; and a thread connecting the end cover with the mark body. The method for embedding intramedullary nail comprises embedding the thread and the mark body in subcutaneous soft tissues after the nail main body and the end cover are fixed in a tubular bone. And the method for extracting the intramedullary nail comprises determining a position of the mark body, and incising an extracting incision according to the position of the mark body.

Abstract: An intramedullary nail and targeting and/or nailing instrument are provided, whereby a connection end of the targeting and/or nailing instrument has an axially parallel protrusion and a connection end of the nail has an axially parallel recess in order to couple the targeting and/or nailing instrument. The coupling system couples the targeting/nailing instrument and nail in their rotational position when they contact axially and whereby a connector is also provided in order to connect the targeting and/or nailing instrument and the nail in an axially fixed but also releasable manner. The connection end of the targeting and/or nailing instrument has an end section that engages approximately in one end of the bore-hole section of the nail and the end section and bore-hole section have a deformable element for a releasable snap connection of the parts with the simultaneous contact of the axially parallel protrusion and the axially parallel recess.

Abstract: A delivery device for deploying an expandable prosthesis and method of use thereof are described. The delivery device comprises an outer catheter that is capable of retracting in a proximal direction and resheathing over the prosthesis in a distal direction. The device comprises a drive pulley that can engage a particular gear set to retract the outer catheter and expose the prosthesis. The drive pulley can also engage another gear set to resheath the outer catheter and recapture the prosthesis between the inner and the outer catheter. A directional switch enables the device to operate between the two modes.

Abstract: A bone fixation device having an elongate body, an actuateable gripper disposed on the elongated body, an actuator operably connected to the gripper to deploy the gripper from a retracted configuration to an expanded configuration, and a membrane surrounding at least a portion of the elongate body or the gripper is disclosed. Also disclosed are systems, surgical kits and methods of using a bone fixation device with a membrane cover.

Abstract: The present invention provides a technique for percutaneous intramedullary fixation. A protective outer sheath is provided for internal fixation of the proximal tibia. Additionally, a unique intramedullary plate is provided that is adapted for percutaneous insertion into the intramedullary canal of a long bone. A plate holder is also provided that may be utilized through the outer sheath to drive and position a fixation plate within the intramedullary canal.

Abstract: A canal diameter reducer is placed within the intramedullary canal alongside an intramedullary rod to stabilize the intramedullary rod and prevent toggling and/or misalignment due to shear. The canal reducer is an elongated block which may be guided into position by a guide wire and may be held in position during insertion of the rod by a suture extending through hole 31. The reducer is inserted through an entry opening formed in the end of the fractured bone. The canal reducer may be fabricated from allograft bone or xenograft bone.

Abstract: An intramedullary bone device comprises a distal outer member having at least one opening in a wall thereof, a proximal outer member for positioning in substantial axial alignment with the distal outer member, the proximal outer member having at least one opening in a wall thereof. The distal outer member and the proximal outer member each have a passage therein. The device also has a distal inner member sized to be slideably received within the passage of the distal outer member and a proximal inner member sized to be slideably received within the passage of the proximal outer member. An extender/retractor is selectively operable to selectively alter the relative longitudinal positioning between the distal inner member and the proximal inner member. The extender/retractor is able to selectively extend or retract to selectively lengthen or shorten, respectively, the device.

Abstract: An instrumented orthopaedic implant, such as an intramedullary (IM) nail, is disclosed. The implant has the capacity to provide an accurate measurement of the applied mechanical load across the implant. The implant includes sensors and associated electronic components located in recesses on the outer surface of the implant. The implant houses the sensing apparatus, the interface circuitry, the data transmitter, and the power receiver. The hermetically sealed housing is adapted for implantation in the body of a patient. The implant is used with a controller which communicates with it by telemetry, and there is an acting unit connected to the electronic components which is adapted to carry out a function based upon a condition detected by the sensors.

Abstract: An intramedullary fixation device for fractures having a core guide wire, and distal and proximal petal segments mountable on the core guide wire and being able to be moved towards each other. Each petal segment has multiple petals able to be expanded for gripping an internal wall of a medullary canal; expansion segments are also mountable on the core guide wire, each expansion segment having a tapered engagement surface for engaging with and expanding the petals of the distal and proximal petal segments. A corresponding method is also disclosed.

Abstract: An orthopedic device can include an intramedullary nail with a longitudinal bore, first and second bone fasteners with sleeves and a cannulated movable member received within the longitudinal bore. The movable member defines first and second guiding bores for receiving respectively the first and second fasteners. Each of the first and second guiding bores includes a pair of opposing deformable elongated strips. Each pair of strips can engage the sleeve of a corresponding bone fastener.

Abstract: Apparatus for treating a fracture of a bone of a subject includes an intramedullary (IM) nail, adapted to be inserted in a medullary canal of the bone of the subject, and having a proximal head that defines at least one hole therethrough. The apparatus also includes a sleeve, which includes a locking mechanism, which locking mechanism is adapted to engage the hole when the sleeve is inserted in the hole, such engagement preventing rotational and longitudinal movement between the sleeve and the hole. In an embodiment, the apparatus includes a screw, the sleeve being adapted to slidably receive the screw.

Abstract: A device for implantation in an intramedullary space of a bone via a curved insertion path, the device comprises a curved proximal portion extending along an arc substantially similar to an arc of the curved insertion path, the proximal portion including a coupling arrangement at a proximal end thereof adapted to couple to a tool for one of intramedullary implantation and explanation and a flexible distal portion extending from a distal end of the proximal portion, the distal portion extending substantially straight in an unstressed state and having flexibility sufficient to permit being along the arc of the insertion path substantially without permanent deformation.

Abstract: An elongated rod for insertion into a bowed canal of a bone such as a femoral medulla of a femur bone, wherein the canal is bowed in one plane. The rod has a longitudinal axis disposed on a first plane and one or more cutouts formed in at least a portion of a length of the rod and on opposite sides of the first plane. The rod is flexible along a second plane which is co-planar with the bowed canal plane and which is disposed on the longitudinal axis and perpendicular to the first plane.

Abstract: An implantable intramedullary fixation structure adapted to be received in the intramedullary canal of a long bone is disclosed comprising a plurality of elongated segments. Each segment has a first end and a complementarily-shaped second end such that the first end of a segment cooperatively engages the second end of an adjacent segment. The segments define a guide aperture so as to be receivable over a guide for positioning in the intramedullary canal.

Abstract: An intramedullary nail configured for use in a bone, the nail including at least one bore configured to receive a bone screw. The bore includes at least one member configured to engage the threads of the screw to prevent axial motion of the screw within the bore after application. The member may be integrally formed in the bore or may be a separate member added to the bore. The member may have a variety of cross sectional shapes, such as a rectangular shape, circular shape or a triangular shape.

Abstract: 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.

Abstract: A targeting device used in the insertion of an intramedullary nail into a bone. The targeting device includes a guide barrel having a frame portion formed of a non-radiolucent material. The guide barrel also includes a radiolucent material molded over the frame. In addition, the frame includes openings configured to allow a surgeon to view a relatively greater area around the guide barrel in an image of the assembly during surgery.

Abstract: A femoral hip stem explant system has an alignment body which is attached to two locations of a femoral bone and has several lockable collet type adjustment features to set the shaft of a reamer or end mill exactly in coincidence with the femoral bone cavity axis. The shaft of the end mill or reamer is supported by a sleeve member, which is inserted into a drill guide central aperture. The drill guide aperture is adjusted first and locked to be in line with the femoral bone cavity. Each of the sleeve members has the same mating outer diameter, which fits into the drill guide central aperture. Accordingly, the sleeve members can be interchanged into the drill guide aperture with shafts of differently sized reamers or end mills.

Abstract: The present invention provides a bone fixation device for implantation into the intramedullary canal of a bone. The bone fixation device may include a support structure and a thermo-chemically activated matrix. The support structure may be radially expandable and contractible, and sufficiently flexible to be inserted into the intramedullary canal through an opening which is not parallel to the intramedullary canal. The matrix may attain a first thermo-chemical state via the addition of energy, and a second thermo-chemical state via the dissipation of energy. While in the first thermo-chemical state, the matrix is deformable and can conform to a shape matching the contours of the intramedullary canal of the bone. As the matrix attains the second thermo-chemical state, it may crystallize and becomes relatively hardened. An implant deformation apparatus may be used to expand the device within the intramedullary canal. The device may include a series of nested telescoping components.

Abstract: The present invention provides an implantable device, a portion of which is formed of a material which is a combination of copolymers PCLM-12 and SMC-7, and nucleating agent A-6. The implantable device may be an intramedullary bone fixation device. The implantable device may have a body with a composite portion including a thermo-chemically activated matrix formed from the copolymer material, and a support structure formed from a second material. The body may be deformable at a first thermo-chemical state and hardened at a second thermo-chemical state. The implantable device may be heated to reach the deformable first thermo-chemical state, deformed, inserted into the intramedullary canal of a fractured bone, and cooled to reach the hardened second thermo-chemical state, providing rigid support during healing of the fractures.

Abstract: The present invention provides a bone fixation device for implantation into the intramedullary canal of a bone. The bone fixation device may have a composite portion including a support structure and a thermo-chemically activated matrix, and may have a non-composite portion. The support structure may be radially expandable and contractible, and sufficiently flexible to be inserted into the intramedullary canal through an opening not parallel to the intramedullary canal. The matrix may attain a first thermo-chemical state via the addition of energy, and a second thermo-chemical state via the dissipation of energy. While in the first thermo-chemical state, the matrix is substantially deformable and can conform to a shape matching the contours of the intramedullary canal of the bone. As the matrix attains the second thermo-chemical state, it may crystallize and becomes substantially hardened. An implant deformation apparatus may be used to expand the device within the intramedullary canal.

Abstract: A hip fracture device providing distance limited dynamization, load controlled dynamization and combinations of both dynamization methods by varying components. The hip fracture device includes a plate having a head portion and a shaft portion. A barrel projects from the head portion of the plate and a screw is inserted in the barrel. A friction pin is slidably connected with the screw, and an end cap is fixed to the head portion of the plate. The friction pin is fixedly connected with the end cap. The screw slides over the friction pin and toward the end cap when a load is applied on the fracture device. The load required for further sliding of the screw over the friction pin increases incrementally as the screw slides towards the end cap.

Abstract: The present invention provides a bone fixation device for implantation into the intramedullary canal of a bone. The bone fixation device may include a support structure and a thermo-chemically activated matrix. The support structure may be radially expandable and contractible, and sufficiently flexible to be inserted into the intramedullary canal through an opening which is not parallel to the intramedullary canal. The matrix may attain a first thermo-chemical state via the addition of energy, and a second thermo-chemical state via the dissipation of energy. While in the first thermo-chemical state, the matrix is deformable and can conform to a shape matching the contours of the intramedullary canal of the bone. As the matrix attains the second thermo-chemical state, it may crystallize and becomes relatively hardened. An implant deformation apparatus may be used to expand the device within the intramedullary canal. The device may include a series of nested telescoping components.

Abstract: The present invention provides a deformable implant and a deformation apparatus. The implant has an elongated shape and may be inserted into the intramedullary canal of a fractured bone. The implant may have a support structure and thermo-chemically activated matrix material, deformable at a first state and hardened at a second state, surrounding the support structure. The deformation apparatus is shaped to be inserted co-axially into the implant, and includes a tube co-axially positioned inside a balloon, and a set of hoses connected to the tube and the balloon. A heat source, a cartridge and a pump may be connected to the apparatus to supply heat, and regulate temperature and pressure of a liquid or gas and circulate it through the balloon. Liquid or gas is introduced through the hoses into the balloon to inflate the balloon and cause the surrounding implant to expand radially, providing support to the fractured bone.

Abstract: A nail cap cannula for directing a nail cap useable with an intramedullary nail system including an intramedullary nail and a targeting guide.

Abstract: An intramedullary bone repair system and device for insertion into a bone extending along a longitudinal axis of the bone and for use with a plurality of screws. The bone repair device includes an elongate shaft and a head pivotally coupled to the proximal end of the shaft. A locking assembly is carried by the proximal end of the shaft and the head for rigidly coupling the shaft and the head together when the shaft and the head have been desirably positioned within the bone. The shaft and the head are provided with a plurality of threaded bores for receiving the plurality of screws to affix the shaft and head within the bone. A method for repair of a bone fracture using the bone repair device is also disclosed.

Abstract: Systems and methods are provided for fixation of a fractured bone with an intramedullary bone fixation device. During an implantation procedure, the fixation device may be guided by a removable guidewire which is not coupled to the fixation device. The guidewire and device may be inserted into an intramedullary canal along a pathway which is not parallel to the intramedullary canal. The fixation device may be composite, formed of a support structure and a matrix material. The matrix material may be thermo-chemically activated, transformable from a deformable first thermo-chemical state to a hardened second thermo-chemical state. The fixation device may be radially expandable to deform to the shape of the intramedullary canal, to provide support to the fractured bone.

Abstract: The present invention provides a bone fixation device for implantation into the intramedullary canal of a bone. The bone fixation device may include a support structure and a thermo-chemically activated matrix. The support structure may be radially expandable and contractible, and sufficiently flexible to be inserted into the intramedullary canal through an opening which is not parallel to the intramedullary canal. The matrix may attain a first thermo-chemical state via the addition of energy, and a second thermo-chemical state via the dissipation of energy. While in the first thermo-chemical state, the matrix is deformable and can conform to a shape matching the contours of the intramedullary canal of the bone. As the matrix attains the second thermo-chemical state, it may crystallize and becomes relatively hardened. An implant deformation apparatus may be used to expand the device within the intramedullary canal. The device may include a series of nested telescoping components.

Abstract: An intramedullary nail (10, 110, 210, 310, 410, 510, 610) suitable for insertion in a fractured elongate bone (12), of the type comprising a stem (14, 114, 214, 314, 414, 514, 614) extended between a proximal end (16, 116, 216, 416, 516, 616) and a distal end (18, 118, 218, 418, 518, 618). The nail comprises a plurality of elements (20, 120, 220, 320, 420, 520, 620) realised with at least one shape-memory material, a plurality of seats (19, 119, 219, 319, 419, 519, 619) formed in the stem (14, 114, 214, 314, 414, 514, 614) for housing the elements (20, 120, 220, 320, 420, 520, 620). The elements (20, 120, 220, 320, 420, 520, 620) are suitable to take a first shape wherein they are retractably housed in the respective seats (19, 119, 219, 319, 419, 519, 619) and a second shape wherein they project from the respective seats (19, 119, 219, 319, 419, 519, 619).

Abstract: A surgical nail (1), in particular, an intramedullary nail, has a central axis (2) and is formed of a material (M) having a modulus of elasticity (E). A plurality of transversal openings (5) run transversally to the central axis (2) and have a cross-sectional profile (F) and a transversal axis (6), the cross-sectional profile (F) having a maximum length (a) that runs in the direction of the central axis and a maximum width (b) that runs perpendicular to the length. A longitudinal bore (3) runs coaxially with the central axis (2) and defines a wall (4). A longitudinal insert (7) can be introduced into the region of the transversal opening (5) via the longitudinal bore (3). Said insert has a longitudinal axis (13) and consists of a material (m). The insert (7) comprises at least one longitudinal slot (25) so that said insert can be elastically compressed in a radial manner and includes a plurality of radial elevations (14) fitting inside the transversal openings (5).

Abstract: A medical device for fixing bone parts or for fixing stabilising elements to bone parts, comprising a rigid outer tube, which is provided with at least two opposed recesses on the side that is positioned in the bone, wherein a second inner tube is accommodated in said rigid outer tube, which inner tube is provided with at least two strips extending in the longitudinal direction of the inner tube on the side that is positioned in the bone, whilst means are provided for loading the inner tube in axial direction, in such a manner that a pressure force is exerted on said strips, which pressure force causes the strips to bend outwards through the aforesaid recesses.

Abstract: An intramedullary nail comprising a central axis and a transverse borehole, provided with an insert which can be introduced into the transverse borehole, said insert also containing a longitudinal slit.

Abstract: A system for percutaneous fixation and stabilization of a fracture with a spanning, expandable structural frame placed in the intramedullary canal of the bone, comprising a column of surgical fluid such as bone cement, within which the structural frame acts as a reinforcing cage, and a sheath positioned at the fracture site and at least partially surrounding the frame and fluid. The fluid may be supported by a restrictor and may be agitated with a vibrating probe to remove entrapped air. The structural frame may be self-expanding or opened by an internal force, and it may be retrievable. The frame, fluid, or sheath may contain antibiotics, pharmaceuticals, or other therapeutic compounds to be delivered to the fracture site.

Abstract: A hip screw assembly for fixation of a fractured femur is provided. The hip screw assembly includes a screw for engagement with the femur. The hip screw assembly also includes a barrel defining a cavity in the barrel. The barrel is fixedly secured to the plate. The screw including a portion thereof fitted in the cavity of the barrel. The hip screw assembly also includes a stop positionable in the barrel. The stop provides a limit on the movement of said screw in said barrel. The screw and the barrel have a first arrangement between each other in which the screw slides in the cavity of said barrel a first selectable predetermined distance and a second arrangement in which the screw slides a second selectable predetermined distance. The second distance is greater than the first distance.

Abstract: In one aspect a device is disclosed for use as a bone implant comprising, a body having a pre-implantation shape and a post-implantation shape different from the pre-implantation shape. The body is configured to change from the pre-implantation shape to the post-implantation shape in response to the body being activated. The body is configured to be inserted in a bone recess while the body is in the pre-implantation shape. In another aspect a method is disclosed comprising inserting a cable member into a recess in a bone, inserting a retention device into the recess, the retention device containing a shape memory material, and activating the shape memory material.

Abstract: The system includes an elongate intramedullary nail which is rigidly fixed under compression to the endosteal surface of a bone with unicortical locking machine screws inserted through the bone and into a plurality of longitudinally displaced threaded holes in the nail. A jig is provided for drilling holes through the bone in alignment with the screw holes in the nail. The nail and jig each include anti-rotation structure at which the nail and jig can be coupled together in a fixed alignment. A method is also provided for implanting an intramedullary nail on two sides of a bone fracture, and clamping the bone with sufficient force to immobolize the fracture by forcing the implant against an endosteal surface of the bone and applying a compressive force against the outer surface of the bone.

Abstract: The present invention relates generally to medical devices and medical methods, in particular, devices and methods useful for stabilizing fractures of long bones. In one embodiment, the present invention is a device comprising a housing having a lumen; a plunger having a proximal portion and a distal portion, where the plunger is disposed within the lumen and is movable relative to the housing; a plurality of blades, where the blades can expand radially from the axis of the housing; and a manipulator functionally connected to the plunger, wherein the manipulator is operable to: move the plunger relative to the housing; expand the blades radially from the axis of the housing; and move the blades about the axis of the plunger.

Abstract: The invention relates to an insertion instrument for an endoprosthesis (1), which comprises a neck part (12) and a shaft part (10) which is to be inserted into a medullary cavity, comprising a clamping device (2) which is provided with a holding fork (25) and a thrust bearing (26), which are embodied in such a manner that the endoprosthesis (1) is held fixedly in a clamped state and is released in an unclamped state, in addition to a striker device (3). The aim of the invention is to simplify the safe and precise insertion thereof such that a guide rail (23) for a striker element is arranged in a fixed manner on the clamping device (2) and is oriented in such a manner that a path, which is determined by the guide rail, leads to an end face of the endoprosthesis (1) which is held in the clamping device (2).

Abstract: An intramedullary fixation device includes an intramedullary implant having a longitudinal bore along a longitudinal axis, a two-component compression device and a two-component locking device, both devices preassembled in the longitudinal bore. The intramedullary implant includes an elongated slot and first and second apertures transversely crossing the longitudinal axis. The compression device is movable along the longitudinal axis and defines an end opening aligned with the elongated slot of the intramedullary implant. The locking device includes first and second openings aligned along the first and second apertures of the intramedullary implant.

Abstract: A method of clavicle fracture fixation includes using a K-wire to create a pilot hole extending longitudinally through the medullary canal of the lateral and medial fragments of the fractured clavicle while the fragments are reduced, enlarging a medial portion of the pilot hole in the lateral fragment and a lateral portion of the pilot hole in the medial fragment, wherein such enlarged portions are together sized for receiving the clavicle nail, attaching the lateral end of the clavicle nail to the K-wire, manipulating the K-wire such that substantially the entire length of the clavicle nail is positioned inside of the lateral fragment, aligning the lateral and medial fragments longitudinally, and manipulating the K-wire such that approximately half of the length of the clavicle nail is positioned within the medial fragment and approximately half of the nail is positioned within the lateral fragment.

Abstract: An intramedullary implant, useful particularly for the fixation of fractures of the radius, the implant comprising a first and second end, both ends configured for entry into the intramedullary canal through an entry point on the bone, such as the fracture site, and configured for positioning within the intramedullary canal of the fractured bone, the first end positioned in the intramedullary space of a first bone fragment and the second end positioned in the intramedullary space of a second bone fragment on the opposite side of the fracture. The first end is positioned by displacing the implant in a first direction and the second end is positioned by displacing the implant in a second direction, substantially opposite to the first direction. The implant further comprises a tip configured to abut an end surface of the second fragment to provide axial support to second fragment.

Abstract: Apparatus for treating a fracture of a bone of a subject including an intramedullary (IM) elongate member insertable into a medullary canal of a first part of the bone of the subject, and having a proximal head defining at least one hole therethrough. A sleeve includes an engagement mechanism and is arranged to engage one of the at least one hole when the sleeve is within that hole. This engagement restricts rotational and longitudinal movement between the sleeve and the elongate member after the sleeve is engaged with that hole. A screw or pin is movably arranged inside the sleeve for securing a second part of the bone to the first part of the bone, i.e., the part into which the elongate member is inserted.

Abstract: The present invention relates to a nail and fastener assembly for use in providing a stable construct for optimal fixation of the hindfoot and to methods for implanting the nail and fastener assembly. One embodiment of the nail and fastener assembly provides additional fixation, for example, in the form of one or more threaded bores, to hold the fasteners in a fixed position. Another embodiment provides angled bores to allow multi-planar and multi-axial implantation of the fasteners. In some instances, the fasteners may cross one or more articulating surfaces of the foot. For example, the fastener may traverse one or more of the calcaneo-cuboid and the talo-calcaneal articulating surfaces to aid in more secure stabilization of the hindfoot.

Abstract: Systems, devices and methods are disclosed for treating fractures. The systems, devices and methods may include one or both of an implant, such as an intramedullary nail, and a fastening assembly, such as a lag screw and compression screw assembly. The implant 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 implant. In some embodiments, the engaging member and the compression device are configured so that the compression device interacts with a portion of the implant and a portion of the engaging member to enable controlled movement between the first and second bone fragments.

Abstract: A bone reduction method and apparatus includes a bone reduction tool including a shaft with a proximal end portion, a distal end portion for insertion into a fractured bone, a first rigid portion located at the distal end portion, and a first flexible portion located between the first rigid portion and the proximal end portion.