Abstract: A porous apparatus includes a first layer and a second layer. The second layer has a plurality of struts. At least some of the struts define a porous geometry defining a plurality of faces, at least one of the plurality of the faces at least partially confronting the first layer. Each face is bounded by intersecting struts at vertices. Less than all of the vertices of each face of the porous geometry at least partially confronting the first layer are connected by a strut to the first layer. A process of producing the at least partially porous structure includes depositing and scanning metal powder layers. At least some of the scanned metal powder layers form either one or both of a portion of a first section of the structure and a portion of a second section of the structure formed by at least the struts defining the porous geometry.

Abstract: A bone anchoring system having a flexible member with a first end and a second end opposite the first end. A fastener provided at a first end of the flexible member for retaining the flexible member within a bone. A rigid member is provided to ensure movement or pull-through of the flexible member does not occur.

Abstract: Devices and methods for enhancing the effectiveness of spinal stabilization, and particularly that of cervical spinal stabilization, are provided herein. More specifically, methods and systems are disclosed for effectively positioning occipital plates and spinal fixation assemblies within target vertebrae, while also reducing any associated patient trauma (e.g., muscle stripping, tissue damage, etc.). The systems and methods can utilize trans-lamina delivery of the spinal fixation assemblies to allow for the positioning of the fixation elements along the midline of the patient's spine.

Abstract: A distractor system may include a distractor, a first distraction screw, and a second distraction screw. The first distraction screw includes a proximal end and a distal end having threads that affix the screw to bone. First and second arms are coupled to a crossbar via respective first and second ratchets and are configured to receive respective first and second distraction screws. The first ratchet includes a switch configured to select between ratcheted movement of the first arm along the crossbar toward the second arm and ratcheted movement of the first arm along the crossbar away from the second arm.

Abstract: A prosthetic knee with an artificial ACL/PCL. The prosthetic knee includes a femoral component and a tibial component. The artificial ACL/PCL connects the femoral component and the tibial component and includes an anterior cruciate ligament portion connecting an anterior anchor point on the tibial component to a posterior anchor point on the femoral component, and a posterior cruciate ligament portion connecting a posterior anchor point on the tibial component to an anterior anchor point on the femoral component. The artificial ligament may be provided as single length of material and may be pre-assembled into an ACL/PCL module having portions that may be inserted into at least one of the femoral component or the tibial component. A system is also provided for total knee replacement that includes a selection of femoral components, tibial components, and one or more ACL/PCL modules of varying sizes.

Abstract: A method for stabilizing a cervical spine segment includes inserting a respective uncinate joint stabilizer into each uncinate joint along a medial-to-lateral direction starting from intervertebral disc space of the cervical spine segment, and securing each uncinate joint stabilizer to the respective uncinate joint. A system for stabilizing a cervical spine segment includes a pair of uncinate joint stabilizers, each (a) elongated along a lengthwise dimension and configured for placement in the respective uncinate joint with the lengthwise dimension substantially oriented along an anterior-to-posterior direction of the cervical spine segment, (b) having height configured to define spacing of the respective uncinate joint, (c) and including a tapered portion for interfacing with superior and inferior surfaces of the respective uncinate joint and to enable insertion of the uncinate joint stabilizer into the respective uncinate joint from intervertebral disc space of the cervical spine segment.

Abstract: A tubular mesh implant is provided for fracture fixation. The implant has a rest length between first and second opposite ends, and a central opening defining a rest inner diameter. The diameter of the central opening is reducible over a bone by elongation of the implant and securable to maintain fracture reduction. A method of setting a fractured bone comprises providing the tubular implant having a rest length and a central opening defining a rest inner diameter, introducing the fractured bone through the central opening in the implant, elongating the implant and reducing the inner diameter about the fractured bone, and securing the first and second ends of the implant to the fractured bone.

Abstract: A contacting or friction pad for engaging a member. The member may be a soft tissue portion to be fixed to a bone using the contacting member. A further fixation member may be used to fix the contacting pad and the member to the bone.

Abstract: A bone fastener includes a fixation portion configured to interface with boney tissue, a connection portion having a longitudinal axis and being configured to interface with an elongated support structure, and a flexible portion disposed between the fixation portion and the connection portion. The flexible portion is configured to permit flexure of the connection portion relative to the fixation portion. The flexible portion has a first set of opposed facing surfaces that mechanically limit the range of flexure in a first direction. It has a second set of opposed facing surfaces that mechanically limit the range of flexure in a second direction. The opposed facing surfaces are substantially transverse to the longitudinal axis.

Abstract: Implants for forming a positive connection with human or animal parts include a material, such as thermoplastics and thixotropic materials, that can be liquefied by means of mechanical energy. The implants are brought into contact with the tissue part, are subjected to the action of ultrasonic energy while being pressed against the tissue part. The liquefiable material liquefies and is pressed into openings or surface asperities of the tissue part so that, once solidified, the implant is positively joined thereto. The implantation involves the use of an implantation device that includes a generator, an oscillating element, and a resonator. The generator causes the oscillating element to mechanically oscillate, and the element transmits the oscillations to the resonator. The resonator is used to press the implant against the tissue part to transmit oscillations to the implant.

Abstract: A composite fixation device is described herein which includes a first and second biodegradable material. The first and second biodegradable materials degrade at different rates thereby permitting tissue ingrowth into the device prior to degradation of the entire device.

Abstract: A method for fusing a spinal sacroiliac joint and a surgical kit. The kit includes a bone-void filler, stabilization device or implant, a guide pin, a joint locator, a set of dilation tubes, a reamer, a novel directional cannula, a novel tapping cap, a novel drill guide, a drill bit, and a novel implant positioner. The method includes the steps of locating the sacroiliac joint, retracting the soft tissue exposing the graft site, removing any bone obstructions and preparing a relatively smooth graft site horizontal to the immediate sacroiliac joint, creating a cavity in the ilium and sacrum to a predetermined depth that spans the sacroiliac joint, inserting a novel stabilization implant into the cavity, and seating the implant within the cavity at a predetermined depth.

Abstract: The various embodiments disclosed herein relate to implantable devices for the treatment of hallux valgus. More specifically, the various embodiments include devices having dynamic tensioning components or heat shrinkable components configured to urge two metatarsals together to treat a bone deformity.

Abstract: A laser device having a proximal end and a distal end spaced from the proximal end, the distal end configured to receive a fixation member to be affixed to a target surgical site. The laser device includes a laser source supported by the laser device body and capable of emitting a laser beam to the distal end, wherein the laser source is responsive to at least one input so as to selectively switch between an inactive configuration whereby the laser source does not emit the laser beam, and an active configuration whereby the laser source emits the laser beam.

Abstract: An implantation device for fixating a bone has a main body. The main body has a peripheral region and comprises a polymeric material. The peripheral region comprises the polymeric material and a plasticizer. In particular, the peripheral region may be adapted to be fixed to a bone. A method for producing the implantation device includes the steps of forming an implantation device using polymer material, and dipping at least a portion of the implantation device into a plasticizer in such a way that a peripheral region of the implantation device is plasticized.

Abstract: Silver and/or zinc ion releasing implants, systems and method of operating, inserting and activating/inactivating them are described. In some variations the implant is configured as a bone implant that includes a bone-screw or intramedullary rod like body configured to receive a treatment cartridge having a plurality of ion-releasing members configured as an anode that can controllably engage with a catheter to turn galvanic release of ions on/off as desired. These devices may be configured to release silver ions (and/or zinc ions) above a predetermined level for a predetermined period of time and may maintain a concentration of ions over a relatively large volume of tissue. The ion-releasing members may be configured to reduce or prevent implant movement.

Abstract: A surface treatment process for improving the hydrophilicity of at least part of an implantable medical device. The process comprises applying to the surface of the implantable medical device a solution of a non-ionic substance having at least one polar covalently-bonded group and drying the implantable medical device to form a hydrophilic deposition of the substance on the surface of the implantable medical device.

Abstract: Techniques are generally described related to a method and system for treating an injury with a bone screw. One example bone screw may be configured to fracture at a pre-selected frangible location so that the point of failure is not in an inaccessible location, e.g., deeply embedded below the surface of a treated bone. The bone screw may further include a material disposed over the frangible location that is designed to temporarily strengthen the screw and selected to be absorbed by the body over a period of time after installation of the screw in the bone. One example bone screw may include an unthreaded portion that is configured to facilitate removal of an embedded screw fragment from a bone in the event that the screw fails in vivo.

Abstract: A composite bone implant. In some embodiments, one or more features are provided, such as markers for passageways, axial engagement of bone screws, sliding support of bone screws and/or a cannulated channel for a guide wire.

Abstract: Surgical anchoring systems and methods are employed for the correction of bone deformities. The anchoring system and its associated instrument may be suitable for surgical repair of hallux valgus, tarsometatarsal sprains, ankle ligament reconstruction, spring ligament repair, knee ligament reinforcement, acromioclavicular sprains, coracoclavicular sprains, elbow ligament repair, wrist and hand ligamentous stabilization or similar conditions. The anchoring system may include a fixation system for anchoring two or more sections of bone or other body parts and a system for aligning of one section relative to another section.

Abstract: Apparatus and method used to reduce the movement between vertebrae or fractured bones. The implantable device can be deformed from its shape-set configuration for ease of deployment and return to a pre-set shape upon completion of deployment. The apparatus can serve to stabilize fractured bones or as a distraction device and support structure between vertebrae. Device may be made of a material with shape memory and superelastic properties which facilitate the method of implantation. The pre-set shape of the device may include dimensions/geometries which are similar to the natural curvature of the human spine or bone without the use of hinging or connection between multiple pieces. Once deployed, the device can serve to constrain the flow of bone growth material between the inside and outside of the device.

Abstract: The present invention relates to a implant for implantation into a body of an animal, wherein the implant comprises material of inner core of drupes and/or palm tree fruits.

Abstract: In a human or animal patient, two bone portions separated by a cut or fracture are stabilized in a desired position relative to each other by bringing the two bone portions into this desired position, by pulling them against each other, by providing an opening having a mouth on a bone surface and reaching across the cut or fracture and walls in both bone portions, by inserting an implant into the opening and anchoring the implant in the walls of the opening with the aid of a material having thermoplastic properties and energy transmitted into the implant for in situ liquefaction of at least part of the material having thermoplastic properties. One exemplary application of the stabilizing procedure concerns the two tibial bone portions separated by tibial plateau leveling osteotomy in a canine patient suffering from cranial cruciate ligament damage or rupture in a stifle joint.

Abstract: Orthopedic implants include a device that is non-rigid, i.e., flexible and/or malleable, in a first form for insertion into a desired in vivo site, and then transformable into a rigid, or hardened, form for providing a load-bearing function or providing other structural and/or mechanical function after implant. The device includes a biocompatible sheath and a curable material sealed within the sheath. The curable material is provided in a first form that provides flexibility to the device and is structured to rigidize in a second form after application of a quantity of an initiating energy to the material. Related methods and kits are also provided.

Abstract: An intramedullar osteosynthetic device includes a body with an elongated shape and a flat cross-section having, in succession, from one of its ends, a first fixation zone cooperating with one of the bone parts to be immobilized, a median zone suitable for withstanding the shear and bending stresses, and a second fixation zone in the other bone part to be immobilized. Each of the fixation zones is made from a material suitable for enabling their deformation by thermal action (tepid memory) or mechanical action (superelasticity), to permit an introduction into the bone parts without pulpar approach, followed by a fixation in the bone parts, while avoiding any rotational movement, withstanding the tensile stresses, and maintaining a compressive force. At least one of the fixation zones has two tabs or fins and which are separable under the effect of the deformation.

Abstract: A bone anchoring element includes a shaft for anchoring in a bone, the shaft having a tubular body. The shaft comprises a plurality of barb elements, wherein each barb element is formed as continuous one-piece part with the tubular body. Each each barb element is moveable between a first position adjacent to the tubular body and a second position further from the tubular body than the first position. The barb elements are arranged along at least one helical line around an axis of the shaft.

Abstract: Implants for forming a positive connection with human or animal parts include a material, such as thermoplastics and thixotropic materials, that can be liquefied by means of mechanical energy. The implants are brought into contact with the tissue part, are subjected to the action of ultrasonic energy while being pressed against the tissue part. The liquefiable material liquefies and is pressed into openings or surface asperities of the tissue part so that, once solidified, the implant is positively joined thereto. The implantation involves the use of an implantation device that includes a generator, an oscillating element, and a resonator. The generator causes the oscillating element to mechanically oscillate, and the element transmits the oscillations to the resonator. The resonator is used to press the implant against the tissue part to transmit oscillations to the implant.

Abstract: An implant includes a section made of polymer, wherein at least a portion of the section has a layer of a polymerizable and/or cross-linkable material. A method for fixation of a bone plate having several plate holes using the implant includes removing a cover sheet protecting the layer of polymerizable and/or cross-linkable material, activating the layer of polymerizable and/or cross-linkable material with electromagnetic energy or with moisture, introducing the implant into one of the plate holes of the bone plate when the bone plate is positioned on a bone, pressing on an end of the implant in order to contact the activated layer of polymerizable and/or cross-linkable material with the bone underneath the bone plate, and allowing the activated and pressurized layer of polymerizable and/or cross-linkable material to polymerize and/or cross-link and to adhere to the bone.

Abstract: Orthopaedic devices are disclosed. The devices include a part that is made of extracellular matrix material that has been hardened. One method of hardening the extracellular matrix is to comminute naturally occurring extracellular matrix and dry the comminuted material. The hardened extracellular matrix material can be machined to form a variety of orthopaedic devices.

Abstract: The invention provides medical devices comprising high-strength alloys which degrade over time in the body of a human or animal, at controlled degradation rates, without generating emboli. In one embodiment the alloy is formed into a bone fixation device such as an anchor, screw, plate, support or rod. In another embodiment the alloy is formed into a tissue fastening device such as staple. In yet another embodiment, the alloy is formed into a dental implant or a stent.

Abstract: A method of attaching an implant to a bone, the implant comprising a hydrated polymer comprising a lubricious hydrated surface and an attachment surface comprising accessible chemical functional groups. The method includes the steps of treating the implant or the bone with an isocyanate-containing compound; placing the attachment surface in apposition to the bone; and allowing the isocyanate-containing compound to cure to bond the implant to the bone. The invention also includes a medical implant having a hydrated polymer comprising an attachment surface comprising a thermoplastic material, the hydrated polymer having an interpenetrating polymer network with at least two polymers, the hydrated polymer having a low coefficient of friction on at least one surface.

Abstract: Disclosed is a bone fixation device of the type useful for connecting two or more bones or bone fragments together or connecting soft tissue or tendon to bone. The device comprises an elongate body having a distal anchor thereon. An axially moveable proximal anchor is carried by the proximal end of the fixation device, to accommodate different bone dimensions and permit appropriate tensioning of the fixation device. A sleeve can surround at least a portion of the bone fixation device to promote bone in-growth with or at the bone joint or fracture to facilitate fusion of the bone segment.

Abstract: Apparatus and methods of fixating bone include repairing or remodeling a hard tissue defect with a composite bone structure. The composite bone structure includes at least two hard tissues or bones and a scaffold material fixed together by an adhesive component. The apparatus and methods include positioning the hard tissues/bones, conforming the scaffold material to at least a portion of a surface of the hard tissues/bones, contacting the adhesive component with the hard tissues/bones and the scaffold material, and changing the material state of the adhesive component to another material state at which the adhesive component fixes together the hard tissues/bones and the scaffold material, thereby forming a composite bone structure having a desired rigidity.

Abstract: A pedicle anchor device is provided and is equipped for being used like a pedicle screw, i.e. for being implanted in the vertebra from dorsal direction (but generally at an angle to the sagittal plane, slightly inward towards the sagittal plane) through the pedicle so that a distal portion of the device protrudes into the vertebral body. The pedicle anchor device includes a pedicle anchor device body with a head portion, a shaft portion and a longitudinal bore that extends from a proximal end of the pedicle anchor device body and has a hole or a plurality of holes from the longitudinal bore outward, for example radially outward.

Abstract: A device for correction of bone and/or soft tissue disorders and methods for obtaining the device, the device comprising an elongated wire entirely made of a shape-memory alloy and thermally treated and mechanically deformed to have at least one portion exhibiting a shape memory characteristic and a desired shape, and at least one remaining portion without exhibiting the shape memory characteristic.

Abstract: A fixation device, comprises an elongated element extending along a central axis, having a total length L and including a proximal section formed of a material that is substantially non-absorbent for electromagnetic radiation within a preselected wavelength range and a distal section formed of a material that is substantially non-absorbent for electromagnetic radiation within the preselected wavelength range in combination with a middle section axially arranged between the proximal and distal sections, the middle section formed of a material that is substantially absorbent for electromagnetic radiation in the preselected wavelength range.

Abstract: 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.

Abstract: A fixation device comprises a biodegradable inner core extending along a longitudinal axis from a distal tip to a proximal end in combination with a sleeve surrounding the core along a portion of a length thereof and comprising a thermoplastic polymer formed of a material which softens and expands into surrounding bone tissue when activated by an energy source.

Abstract: A method of replacing an ACL with a graft. The method provides for the drilling bone tunnels in a femur and a tibia. A replacement graft is provided having first and second ends. A biodegradable composite screw is provided. The screw is made from a biodegradable polymer and a bioceramic or a bioglass. At least one end of the graft is secured in a bone tunnel using the biodegradable composite screw.

Abstract: A bone fixation device made of polysaccharide particles or microspheres fused into a solid structure is provided herein. The bone fixation device may be in the form of an orthopedic screw, orthopedic pin, or orthopedic plate. Methods of making the bone fixation devices described herein are provided as are methods of treating patients in need of bone repair or replacement by implanting a bone fixation device described herein in the patient at a site of bone damage, ligament damage, or bone deformity.

Abstract: A shape-transforming implant device for joining and holding in place a severed sternum. The device includes a bridge portion, two or more legs extending from the bridge portion, shoulder portions, and feet portions. The bridge portions have a thickness that is sized such that it can be cut with a pin cutter. The two or more legs extend from the bridge portion at a first angle when the bridge and the two or more legs are at a first temperature. The shoulder portions are defined by a first angle between the bridge portion and the two or more legs and define a transition from the bridge portion to the two or more legs. The feet portions are at an end of the two or more legs that is opposite from the shoulder portions. Each of the feet portions include an inwardly angled portion that extends toward the remaining feet portions.

Abstract: A composite fixation device is described herein which includes a first and second biodegradable material. The first and second biodegradable materials degrade at different rates thereby permitting tissue ingrowth into the device prior to degradation of the entire device.

Abstract: A surgical fixing device for the fixing of adjacent bone parts is provided. A first engaging element is provided for engaging the underside of the two bone parts and a second engaging element is provided for engaging the upper side of the bone parts. A tensioning device connects the two engaging elements to each other through an interspace between the bone parts and permanently fixes the two engaging elements with respect to each other in a tensioned manner when they engage the underside and the upper side of the bone parts. To make it easier to apply the fixing device, at least one elastic tensioning element is provided which displaces a supporting surface applied to the upper side of the bone parts toward the first engaging element, so that the supporting surface and the first engaging element can be moved away from each other against the force of the elastic tensioning element.

Abstract: A dynamic spinal stabilization apparatus comprises a stabilization device such as a rod or a plate. Elongated bores, interfaces, or terminations packed with elastic material provides relative movement between the devices to allow spinal flexion and extension. Initially, relative movement may be constrained by a degradable materials, such as a resorbable material, to allow and screws to fuse to the associated bone.

Abstract: Disclosed is a fastener that can be mounted to a bone of a patient and can foreshorten and swell of a desired period of time. The fastener can include a head portion and a body portion extending from the head portion. At least one of the head portion and the body portion has a first width that changes to a second width greater than the first width and collectively the head portion and the body portion have a first length that changes to a second length shorter than the first length upon the head portion and the body portion being exposed to a temperature below a glass transition temperature of a polymeric material forming the head portion and the body portion.

Abstract: A medical device that is at least partially formed of a novel metal alloy, which novel metal alloy improves the physical properties of the medical device.

Abstract: Provided herein are implantable medical devices comprising a biodegradable multiblock copolymer comprising at least three blocks; wherein the at least three blocks includes at least one inner block and two end blocks; further wherein each of the at least one inner block comprises monomers selected from the group consisting of e-caprolactone, r-butylactone, trimethylene carbonate, caprolactone derivatives, P-Dioxanone, and combinations thereof; and further wherein each of the end blocks comprises monomers selected from the group consisting of l-lactide, D-lactide, glycolide, L,D-lactide, and combinations thereof.

Abstract: A porous PEEK implant system which may provide tissue ingrowth throughout the body of the implant. The implant may comprise a solid or porous PEEK core. The porous PEEK implants may be of general shape and size but provide the structure necessary to carry out the function of the implant. The porous PEEK implant pores may be seeded with agents to encourage tissue ingrowth as well as other agents such as antibiotics, anesthetics, analgesics and the like.

Abstract: A nerve stimulating bone screw is disclosed and can include a shaft that can have a continuous thread formed thereon and a distal end. A head can be attached to the shaft. Also, the nerve stimulating bone screw can include a first conductor that can extend through the shaft. The first conductor can be insulated and can provide a signal at the distal end of the shaft. The signal can be configured to provide nerve stimulation at the distal end of the shaft of the nerve stimulating bone screw.

Abstract: A medical implant system is described for inhibiting infection associated with a joint prosthesis implant. An inventive system includes an implant body made of a biocompatible material which has a metal component disposed on an external surface of the implant body. A current is allowed to flow to the metal component, stimulating release of metal ions toxic to microbes, such as bacteria, protozoa, fungi, and viruses. One detailed system is completely surgically implantable in the patient such that no part of the system is external to the patient while the system is in use. In addition, externally controlled devices are provided which allow for modulation of implanted components.