Abstract: Provided herein are bone anchor devices including embodiments using adaptive materials, including shape memory materials such as shape memory alloys. Embodiments using shape memory alloys may use super-elastic properties of shape memory alloys to provide forces and deflections that actuate bone anchoring element(s) within bones. Embodiments of bone anchoring elements may be created that actuate with respect to one or more pivot point(s), with the bone anchoring elements on an opposite side of the pivot point from the actuating member composed of, for example, shape memory material. The pivot point(s) of a bone anchor device may be positioned in a central portion of the bone anchor device. The central portion of the bone anchor device may span between two pieces of bone or two separate bones (e.g., two bones of a joint) into which bone anchoring elements may be embedded and fixed.

Abstract: A dental implant includes an anchoring region (12) for anchoring in a bone, which preferably includes a thread (14) for screwing in the bone, and a fastening region (22) for attaching a supra-construction, wherein an abutment region (16) adjoins the anchoring region (12), the abutment region (16) having a guide structure with a plurality of outwardly projecting ridges (18) provided thereon, and preferably, grooves (20) being formed between the ridges (20). The guide structure of the anchoring region (12) allows a better osseointegration and counteracts peri-implant bone loss.

Abstract: The present disclosure discloses a hybrid implant system for fixing and repairing orthopedic fracture and a manufacturing method therefor. The hybrid implant system comprises an implant body having holes on both ends and a locking part configured for attaching the implant body to a broken bone through the holes. The hybrid implant system further comprises a healing assembly made from a material promoting healing of the bone. The implant body has at least one window on a side, the at least one window is aligned with a broken location of the bone, and the healing assembly is inserted into the window in a self-locking manner towards an interior of the implant body.

Abstract: A composite implant comprising an injectable matrix material which is flowable and settable, and at least one reinforcing element for integration with the injectable matrix material, the at least one reinforcing element adding sufficient strength to the injectable matrix material such that when the composite implant is disposed in a cavity in a bone, the composite implant supports the bone.

Abstract: A surgical device includes an elongate body extending from a proximal end to a distal end. The distal end of the elongate body defines a notch sized and configured to receive a reamer. A coupling assembly is supported by the elongate body and includes a reamer guide body disposed at the distal end of the elongate body. The reamer guide body configured to move between a first position and a second position in which the reaming guide body extends at least partially across the notch. A locking assembly is supported by the elongate body and is configured to releasably engage the coupling assembly to maintain the reamer guide body in the second position.

Abstract: An orthopaedic joint replacement system is shown and described. The system includes a number of prosthetic components configured to be implanted into a patient's knee. The system also includes a number of surgical instruments configured for use in preparing the bones of the patient's knee to receive the implants. A method or technique for using the surgical instruments to prepare the bones is also disclosed.

Abstract: The instrumentation makes it possible to implant in a long bone, such as the humerus, the femur or the tibia, an implant, such as an osteosynthesis nail or a prosthetic rod, defining a longitudinal axis and including, in alignment along the longitudinal axis, two opposite terminal parts and a running part that separates the two terminal parts from one another. The instrumentation comprises a targeting ancillary tool that is adapted to target one and/or the other of the terminal parts of the implant, if applicable percutaneously, along at least one targeting axis that is transverse, or even perpendicular, to the longitudinal axis. The targeting ancillary tool is designed to be fastened laterally to the running part of the implant so as to position the targeting ancillary tool and the implant relative to one another in a predetermined configuration.

Abstract: Anchoring devices and methods for affixing an implanted lead of a neurostimulation system at a target location in a patient are provided herein. Such anchoring devices includes a helical body having a plurality of tines extending laterally outward from the lead when deployed that engage tissue to inhibit axial movement of the implanted lead. The plurality of tines are biased towards the laterally extended deployed configuration and fold inward towards the lead to a delivery configuration to facilitate delivery of the lead through a sheath. The tines may be angled in a proximal direction or in both proximal and distal directions and may include various features to assist in visualization and delivery of the lead. The anchor may be formed according to various methods, including laser cutting of a tubular section along with heat or reflow to set the material with the anchor in the deployed configuration and injection molding.

Abstract: Intramedullary nails, systems, and methods. The intramedullary nail may include a generally elongate body extending from a first, distal end to a second, proximal end. The distal end may include one or more openings configured to receive one or more bone anchors that extend transversely through the distal end intramedullary nail, and thereby configured to secure the distal end of the nail. The proximal end may also include one or more openings configured to receive one or more bone anchors that extend transversely through the proximal end of the intramedullary nail, and thereby configured to secure the proximal end of the nail. In some embodiments, the proximal end may further include a cross-locking feature, which includes a second bone anchor that interlocks with a first bone anchor, for example, for enhanced bone purchase and bony fixation.

Abstract: An implant including a first segment at a first end, a second segment at a second end, and an intermediate segment coupled to the first segment on a first end and coupled to the second segment on a second end. The first segment may include an insertion tip at the first end of the implant and a body portion adjacent to the insertion tip, the insertion tip extending out from the body portion. The second segment may include an end member at the second end of the implant and a body portion adjacent to the end member, the end member extending out from the body portion. The second segment may include a plurality of tip portions spaced about a longitudinal axis of the second segment, and the tip portions each including at least one barb formed by a taper portion and an engagement portion extending radially into the tip portion.

Abstract: Method and apparatus are disclosed for distracting tissue and particularly spinal tissue. The device and method may include insertion of at least one elongated member and an augmenting member to form a structure between the tissues to be distraction, such that a dimensional aspect of the structure is augmented upon movement of the augmenting structure.

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: An apparatus for crimping a cable, the apparatus including a crimp body, an elongate shaft, a neck coupling and interposed between the crimp body and the elongate shaft, and a central passage extending through the crimp body, neck, and elongate shaft. The cross-sectional dimension of the central passage is at least large enough to receive the cable.

Abstract: A fixing device for suture threads to be inserted into a bone tissue comprises: a first portion (11) provided with at least a first eyelet (10), slot or eye, through which at least a first suture thread (4) can be threaded; at least a second portion (12) destined to be coupled stably in a transosseus seating or hole (5) afforded in a cortical part thereof. The second portion (12) is elastically deformable in order to enable effective coupling to the seating or hole (5).

Abstract: The invention relates to an osteosynthesis device with a bone plate and with at least one bone screw, wherein the bone plate has at least one through-hole with a conical inner thread formed at least in part in the through-hole. Moreover, the bone screw has a screw shank and also a screw head with a conical thread, with the possibility of forming a connection at a variable and stable angle between bone screw and bone plate by receiving the screw head with conical outer thread in the respective through-hole of the bone plate. According to the invention, the thread in the screw head has a first portion A with a first conicity and a second portion B with a second conicity, wherein a zone of discontinuity with respect to the conicity is present between the first portion A and the second portion B.

Abstract: An alignment device for aligning an orthopedic plate with a bone attachment site includes one or more one light sources that are secured to an orthopedic plate holder with a mounting interface and in a location spaced from the orthopedic plate that is releasably secured to the distal end of the plate holder. The light sources are configured to project an illuminated indication pattern onto the plane the orthopedic plate and aligned with the primary axis of interest of the orthopedic plate, and which indication pattern extends a sufficient lateral distance away from the plate holder to allow the medical professional to align the axis of interest of the orthopedic plate with an out-of-view bone attachment site using at least one superficial anatomic landmark on the exterior of the patient and remote from the bone attachment site.

Abstract: Intramedullary nails, systems, and methods. The intramedullary nail may include a generally elongate body extending from a first, distal end to a second, proximal end. The distal end may include one or more openings configured to receive one or more bone anchors that extend transversely through the distal end intramedullary nail, and thereby configured to secure the distal end of the nail. The proximal end may also include one or more openings configured to receive one or more bone anchors that extend transversely through the proximal end of the intramedullary nail, and thereby configured to secure the proximal end of the nail.

Abstract: The apparatus, systems and methods disclosed herein generally relate to the surgical repair or alteration of bone. More particularly, certain of the disclosed apparatus, systems and methods of the present disclosure relate to the use of a directionally-reinforced composite material to emulate anisotropic structural characteristics of an original anatomic trabecular structure. The directionally-reinforced composite material may generally include a scaffold set in a composite matrix, wherein the scaffold determines the anisotropic structural characteristics of the materials. In some of the embodiments, a scaffold may include at least a first plurality of struts which are generally aligned in a first direction and a second plurality of struts aligned in a second direction.

Abstract: An intramedullary device includes an intramedullary nail extending along a longitudinal axis from a proximal end to a distal end, the nail including a channel extending longitudinally therethrough and an opening extending laterally through a wall thereof proximate the distal end, the channel including a ramped surface along a distal portion thereof opposite the opening. The device further includes a wire extending along a longitudinal axis from a proximal end to a distal end, the wire sized and shaped to be inserted into the channel of the nail such that the distal end engages the ramped surface to extend through the opening.

Abstract: A versatile intramedullary nail is constructed in two cooperating and optionally interlocking pieces, with a further optional annular restoration hub. The two cooperating pieces, when interlocked, approximate a long shaft, generally tubular in cross-section, with a recessed area on the male piece adapted to receive the annular restoration hub. The female piece is adapted to receive the flange of the male piece coaxially, and—unless a locking screw or bolt is inserted through the flange—the two pieces can rotate axially. Alternatively, the nail can be constructed of a single solid piece.

Abstract: A temporary fracture stabilization device includes a first intramedullary fixation rod, a second intramedullary fixation rod, a first extramedullary connector, a second extramedullary connector and a fastener. A field kit for temporary fracture stabilization is also disclosed.

Abstract: A method of monitoring a bone fracture in an individual. The method comprises the steps of: measuring a first parameter indicative of the load on said bone fracture; measuring a second parameter indicative of the activity level of said individual; obtaining a plurality of values for said first and second parameters; correlating said values to determine a measure of bone fracture condition; monitoring a change in said correlation over time; and determining a measure of the change in bone fracture condition over time. A bone fixation system implements this method of monitoring a bone fracture in an individual. The method and system provide a more accurate and reliable measure of bone fracture condition and of the progression of healing of the bone fracture.

Abstract: A novel interlocking intramedullary rod assembly which allows the surgeon to (i) secure a first bone fragment of a fractured bone (e.g., a distal bone fragment) to the interlocking intramedullary rod assembly in a fixed position, (ii) secure a second bone fragment of the fractured bone (e.g., a proximal bone fragment) to the interlocking intramedullary rod assembly in an adjustable manner, and (iii) thereafter selectively pivot the second bone fragment (e.g., the proximal bone fragment) relative to the first bone fragment (e.g., the distal bone fragment) so as to secure the two bone fragments in position relative to one another with the desired orientation.

Abstract: The present invention comprises devices, systems, and methods for elongating bone using an extension implant having a first end and a second end. The first end of the extension implant is inserted into an opening in the live bone and the second end of the extension implant is combined with an enlarged implant. A plurality of channels extend through the components to serve as conduits for delivering fluids and physiological signals which induce bone formation. Some embodiments include a subcutaneous cage assembly for helping to support the implant as the bone heals around it.

Abstract: A fixation device is disclosed including an elongate body extending from a distal end to a proximal end. The distal end defines a blind hole having a diameter and extending to a depth from a distal tip. The diameter of the blind hole is sufficient to receive a k-wire therein.

Abstract: Implants for the fusion or fixation of two bone segments are described. For example, the implants can be used for the fusion or fixation of the sacroiliac joint. The implants can have a matrix structure, have a rectilinear cross-sectional area, and have a curvature.

Abstract: A surgical screw configured to expand and prevent or minimize bone growth inside of the surgical screw is provided. Accordingly, the surgical screw is configured to increase the purchase of the surgical screw with respect to the bone, but also to be withdrawn from the bone without damaging the bone as a result of bone ingrowth. The surgical screw includes a center post with an inner bore and an outer sleeve concentric to the center post. An outer surface of the outer sleeve includes a thread to engage bone. The outer sleeve includes a cut pattern defining an expandable region configurable between a first state with a first radius measured from a longitudinal axis of the surgical screw to the outer surface and a second state having a second radius measured from the longitudinal axis to the outer surface.

Abstract: The present invention relates to a medical device for freeing an implant from the bone of a patient to which the implant adheres to and to an implant for insertion into a bone of a patient, designed such that the implant is more homogenously heatable or coolable in a controlled way. Also provided is a method of removing an implant from a bone of a patient and a computer readable storage medium having recorded thereon a database structure.

Abstract: The invention relates to an interlocking nail (10) for fixation of transverse and short spiral fractures of, long bone, particularly shaft of the femur, tibia and humerus, having Graft extrusion space/slot (101) for holding stem cells graft and 4 or 5 holes for putting interlocking bolts from lateral to medial direction. Constant compression achieved (irrespective of weight bearing cycle) at the fracture site by tightening of the Endo-Compression Screws (108, 109 and 110) results in stimulation of stem cells and reduction in bone gap, thus enhances bone healing and union manifolds.

Abstract: The present invention relates to a structure having a variable diameter, the structure including: a bolt which extends in a longitudinal direction; a body which is disposed at one side of the bolt so as to surround the bolt; a core which is disposed in the longitudinal direction of the bolt; a plurality of extensions which is radially disposed outside the core; and a plurality of outer shells which surrounds the extensions so as to correspond to the extensions, in which the extensions are expanded outward or contracted in a direction toward a center thereof by the core in accordance with a rotation direction of the bolt, such that a diameter of an outer circumferential surface of the extensions is changed.

Abstract: A fixing means (1) for fixation of bone fragments at bone fractures comprises a sleeve (2) and at least one pin (9) which is provided in said sleeve and a front end portion (10) of which can be driven out and retracted through a side opening (8) in the sleeve such that said end portion can be brought to engage bone material in one of the bone fragments and retracted out of the bone material. For facilitating said driving and retraction, the pin (9) comprises a fixing member (9a) with said front end portion (10) and a driving and retraction member (9b) which is rotatably connected to the fixing member.

Abstract: A system is provided for inserting and securing, through a suprapatellar region of a leg, a nail into a medullary canal of a bone. The system can include a flexible sleeve configured to be partially inserted in the leg. The flexible sleeve can define a leading end and a trailing end spaced apart from the leading end along a first axis. The flexible sleeve can define a first cannulation that extends along the first axis between the leading and trailing ends. The first cannulation can be sized to receive therethrough at least the intramedullary nail. The system can further include a retaining member configured support at least a portion of the flexible sleeve. The retaining member can be configured to position the flexible sleeve through the suprapatellar region of the leg such that the flexible sleeve leading end is aligned with the proximal end of the bone. The intramedullary nail can be insertable through the flexible sleeve and into the medullary canal.

Abstract: A bone screw for pelvic bone fixation, the bone screw comprising an elongate body having a first end which is threaded for engaging at least one bone in the pelvic region, a second end comprising a screw head, and at least one opening across the length of the elongate body for adjustably receiving a fastening means to limit movement of the bone screw away from the engaged bone in use, wherein the at least one opening is shaped such that the position of the fastening means relative to the elongate body of the bone screw can be adjusted. A system for bone fixation in the pelvic region includes the bone screw and the fastening means.

Abstract: Devices and methods for altering the spacing and motion at the facet joints of the vertebral column are provided. One embodiment of the invention comprises a prosthesis with surfaces configured to articulate with the facets of the facet joint. A retaining member for anchoring the prosthesis within the facet joint is optionally included. Methods for surgically and less invasively implanting the prosthesis and securing the prosthesis to the articular processes or surrounding soft tissue are also provided.

Abstract: An article comprises a unitary plate configured to conform to a foot of a patient. The plate has a dorsal portion shaped to conform to a dorsal surface of a medial column of the foot and a plantar-medial portion shaped to conform to a medial surface of a first metatarsal of the foot and extend to a plantar surface of the first metatarsal. The plantar-medial portion is integrally attached to the dorsal portion. The plate has a plurality of apertures for receiving screws. The apertures include: a plurality of first apertures through the dorsal portion, adapted to receive a respective one or more first screws to be inserted into a dorsal surface of a talus of the foot, and at least one second aperture adapted to receive a second screw inserted through a plantar end of the plantar-medial portion into a first metatarsal of the foot.

Abstract: A calcaneum translation plate (1) characterized in that it comprises two end portions, i.e. a proximal anchoring portion (2) and a distal fixing portion (3), oriented in opposing directions and arranged in spaced parallel planes (P-P, P?-P?), said proximal and distal portions connecting to an intermediate portion (4) having a square general profile and comprising two perpendicular bearing surfaces, the proximal anchoring portion extending from one (5) of said surfaces and perpendicular thereto, whereas the distal fixing portion extends in the extension of the other bearing surface (6).

Abstract: A novel interlocking intramedullary rod assembly which allows the surgeon to (i) secure a first bone fragment of a fractured bone (e.g., a distal bone fragment) to the interlocking intramedullary rod assembly in a fixed position, (ii) secure a second bone fragment of the fractured bone (e.g., a proximal bone fragment) to the interlocking intramedullary rod assembly in an adjustable manner, and (iii) thereafter selectively pivot the second bone fragment (e.g., the proximal bone fragment) relative to the first bone fragment (e.g., the distal bone fragment) so as to secure the two bone fragments in position relative to one another with the desired orientation.

Abstract: A method and a device is provided for determining a rotational position of a first feature of a first bone section relative to a second feature of a second bone section, the method comprises the steps of determining a longitudinal axis of a bone and determining a plane extending perpendicular to the longitudinal axis of the bone, determining a first projected vector representing a first direction defined by a feature of the first bone section, determining a second projected vector representing a second direction defined by a feature of the second bone section, and determining an angle between the first projected vector and the second projected vector.

Abstract: An implant system for use in orthopedic surgery for fixation of bone includes an intramedullary nail and a coupling unit. The intramedullary nail has a medial side, a lateral side and a proximal portion defining a longitudinal axis. The proximal portion includes a bore defining a first axis substantially parallel to the longitudinal axis of the proximal portion and a transverse bore configured to receive a bone fastener. The coupling unit is movably arranged within the bore of the proximal portion and includes one or more bone fastener engagement members at one or both of the lateral side and the medial side of the intramedullary nail.

Abstract: A composite implant comprising an injectable matrix material which is flowable and settable, and at least one reinforcing element for integration with the injectable matrix material, the at least one reinforcing element adding sufficient strength to the injectable matrix material such that when the composite implant is disposed in a cavity in a bone, the composite implant supports the bone.

Abstract: Methods, systems and apparatuses including an assembly for changing an orientation of a first portion of a femur relative to a second portion of the femur are disclosed. The assembly can include an intramedullary nail and a jig. The intramedullary nail can be insertable into an intramedullary canal of both the first portion of the femur and the second portion of the femur. The intramedullary nail can have a first section disposed between a proximal end and a distal end thereof. The first section can have at least one surface that is angled relative to an axis of the intramedullary nail. The jig can be coupled to and rotatable about the intramedullary nail to change a rotational position of the first portion of the femur relative to the second portion of the femur.

Abstract: An intramedullary nail for use in a medullary canal of a long bone. The nail includes a body defining a longitudinal axis and an external periphery for fitting in the medullary canal of the long bone. The body has a first internal wall thereof defining a first opening through the body, defining a first opening centerline. The body has a second internal wall defining a second opening through the body, defining a second opening centerline. The first opening centerline and the second opening centerline are oblique with respect to each other. The longitudinal axis of the body and the first opening centerline form an acute angle between the longitudinal axis of the body and the first opening centerline. The longitudinal axis of the body and the second opening centerline forming an acute angle between the longitudinal axis of the body and the second opening centerline.

Abstract: An orthopedic device delivers dynamic forces to a desired remote bone region. Dynamically arranged mechanical forces are known to stimulate bone cells (the process of mechanotransduction). The device includes an implantable element configured to couple with a generally accessible and healthy bone area, from which location it's configured to transmit forces to a remote bone area in need of repair, regrowth, or regeneration. Further, the device positions and orients the implantable element where it can be readily acted on by the device's force generator. The force generator is configured to impart dynamic forces that are transmitted through the implantable element and into a desired bone mass including a remote bone area in need of repair. This device promotes fracture healing, treats osteoporotic or other poor quality bone, and promotes vertebral fusion in conjunction with a spinal fusion procedure.

Abstract: A method of implanting an intervertebral spacer may include positioning the intervertebral spacer within an intervertebral space defined by adjacent vertebral bodies. The intervertebral spacer may include a plurality of bores, and each of the plurality of bores may be configured to receive either a linear fastening element or a curvilinear fastening element. The method also may include selecting a first fastening element from a group including linear fastening elements and curvilinear fastening elements, and inserting the first fastening element into a first bore of the plurality of bores such that the first fastening element is inserted into one of the adjacent vertebral bodies to secure the intervertebral spacer within the intervertebral space.

Abstract: An intramedullary fixation device used in bone fixation and stabilization on a patient includes a longitudinally extending rigid body and a distal head disposed at a distal end of the body. The distal head includes a central core portion and a plurality of extending distal wings radially projecting from the central core portion, wherein the radially projecting distal wings are spaced asymmetrically about the central core portion. A proximal head at a proximal end of the body and sized for insertion into an intramedullary canal of a phalanx of the patient. The proximal head includes a central core portion and a plurality of proximal wings extending radially outwardly from the central core portion.

Abstract: A method of surgically preparing a proximal end of a tibia includes inserting an intramedullary orthopedic surgical instrument into a medullary canal of the tibia, securing an attachment device to the intramedullary orthopedic surgical instrument, attaching a cutting block to the attachment device, resecting the proximal end of the tibia using the cutting block to form a surgically-prepared surface, positioning a tibial base trial on the surgically-prepared surface, and inserting a keel punch through a slot defined in the tibial base trial and into the surgically-prepared surface of the tibia.

Abstract: An orthopedic device is provided. The orthopedic device can include an intramedullary implant defining a longitudinal bore along a longitudinal axis. The intramedullary implant can define at least one bore formed along an axis for receipt of a fastener. The orthopedic device can include a fixation device receivable within the longitudinal bore. The fixation device can have at least one guiding bore formed along a guiding axis transverse to the longitudinal axis. The orthopedic device can include at least one collet received within the at least one guiding bore for positioning and locking the fastener at a variable angle relative to the guiding axis of the fixation device and the axis of the intramedullary implant.

Abstract: An intramedullary fixation device used in bone fixation and stabilization on a patient includes a longitudinally extending rigid body, a distal head disposed at a distal end of the body and sized for insertion into an intramedullary canal of a phalanx of the patient, the distal head having a central core portion and a plurality of extending distal wings radially projecting from the central core portion. A proximal head at a proximal end of the body is sized for insertion into an intramedullary canal of a phalanx of the patient. It has a central core portion and a plurality of proximal wings extending radially outwardly from the central core portion.

Abstract: Fixation guide devices and methods for positioning and inserting an intramedullary nail are disclosed. The fixation guide devices include a frame with a first end and a second end, a compression device removably coupled to the first end of the frame, and the intramedullary nail secured to a nail attachment apparatus of the frame. An intramedullary nail including a body with a fastening end, a closed end, and at least two openings is also disclosed. A compression device includes a compression member, a knob, and a bolt secured in the knob and rotatably engaging the compression member is also disclosed. An alignment guide is disclosed and includes a base member, an alignment member, and a fixation guide. A method of inserting an intramedullary nail into two bones for fixation of the two bones is also disclosed.

Abstract: A device for treating fractures, comprises an intramedullary member sized and shaped for insertion along a longitudinal axis of a bone within a medullary canal thereof, the intramedullary member including an opening extending obliquely therethrough, the opening, when the intramedullary member is in a desired position within a bone, aligning with a desired axis along which an implant is to be inserted into a bone, the intramedullary member including a channel formed therewithin and opening to the opening and a locking mechanism mounted in the channel, the locking mechanism including a locking abutting structure extending into the opening in combination with an implant sized to be slidably received through the opening and inserted along the desired axis, the implant including a plurality of implant abutting structures aligned to engage the locking abutting structure preventing medial movement of the implant relative to the intramedullary member.