Orthopedic implants constructs include one or two rigid monolithic plates and a core that is integrally formed within an interior space within a rigid monolithic plate. An exemplary construct that includes two plates between which is a core that is interengaged with each plate, the two plates thereby forming a generally disc-like shaped construct with opposing tissue contacting surfaces. The constructs are suitable, for example for spinal interbody fusion and artificial disc applications.

The present invention provides a fused femoral stem system, including a curved short handle, a fixing mechanism and a femoral head prosthesis, one end of the curved short handle is provided with a conical connector, the conical connector is cooperatively connected with a conical connecting hole of the femoral head prosthesis, the other end of the curved short handle is inserted from the osteotomy surface of the femoral neck and stretches to the position of a medullary cavity below a small trochanter, and the curved short handle is connected and fixed with a large trochanter through the fixing mechanism. The present invention has the beneficial effects that, after the growing-in osseointegration with the sclerotin surrounding the proximal bone bed of the host after the surgery of the whole system, the mechanical influence on the retained femoral neck and the sclerotin in the vicinity of the large and small trochanters is substantially similar to the biomechanical state prior to the surgery.

The three-dimensional lattice structures disclosed herein have applications including use in medical implants. Some examples of the lattice structure are structural in that they can be used to provide structural support or mechanical spacing. In some examples, the lattice can be configured as a scaffold to support bone or tissue growth. Some examples can use a repeating modified rhombic dodecahedron or radial dodeca-rhombus unit cell. The lattice structures are also capable of providing a lattice structure with anisotropic properties to better suit the lattice for its intended purpose.

Implant assemblies, systems, and methods for replacing a knee joint may include a method of revising a knee joint prosthesis implanted in a knee of a patient to provide increased stability to the knee joint prosthesis by replacing a first tibial insert with a second tibial insert that provides more constraint that the first tibial insert. A knee joint prosthesis system and kit are also provided that may include a tibial baseplate component, a femoral component, and a tibial insert that is selectively interchangeable with other tibial inserts to provide varying levels of constraint and stability to the knee joint prosthesis.

Implant assemblies, systems, kits, and methods for replacing a knee joint may include a universal femoral trial component for preparing and trialing a femoral bone of a patient to receive a plurality of different femoral implant types. The universal femoral trial component may be configured to receive any of a plurality of femoral bone preparation attachments and any of a plurality of femoral trial attachments in order to facilitate the preparation and trialing of the femoral bone to receive the plurality of different femoral implant types.

The present invention relates generally to a prosthetic spinal disc for replacing a damaged disc between two vertebrae of a spine. The present invention also relates to a method for implanting a prosthetic spinal disc via anterior or anterior lateral implantation. Other surgical approaches for implanting the prosthetic disc may also be used.

A fixation device for a knee replacement. The fixation device includes a stem configured to be fixedly attached to one of a tibial component of the knee replacement and a femoral component of the knee replacement. The stem has a continuously tapered outer surface and has a distal end that is distal to said one of the tibial component and the femoral component. A tapered projection is positioned on the continuously tapered outer surface and is tapered in the same direction as the continuously tapered outer surface. The stem and the tapered projection are configured so that the continuously tapered outer surface and the tapered projection engage a patient's bone when the stem is inserted into a bone canal within the patient's bone. In addition, the continuously tapered outer surface of the stem at the distal end of the stem and the tapered projection are configured to mechanically fix the knee replacement to the patient's bone by being wedged within the bone canal.

A set of surgical components for use in a joint arthroplasty to reconstruct a head of a joint is provided. The set of surgical components can include a head member having a first articulating surface opposite a first fixation surface. The first fixation surface can define a first portion that extends outwardly from the first fixation surface. The set of surgical components can include a base member having a fixation peg with three generally triangular fins and a second fixation surface defined as a recess within a top surface of the fixation peg. The first portion of the head member can be received within the recess of the base member to couple the head member to the base member.

A medical product (100), preferably for use in treating, in particular filling and/or closing a bone cavity, wherein the product (100) comprises a plurality of interconnected members (110), wherein each member (110) has a peripheral boundary (120) and the boundaries (120) of adjacent members (110) engage with one another. Also, a method for producing the medical product (100) and a medical kit that comprises the medical product (100) and a securing element for securing the product (100) in a bone cavity and to a method for filling a bone cavity.

Methods for altering the natural history of degenerative disc disease and osteoarthritis of the spine are proposed. The methods focus on the prevention, or delayed onset or progression of, subchondral defects such as bone marrow edema or bone marrow lesion, and subchondral treatment to prevent the progression of osteoarthritis or degenerative disc disease in the spine and thereby treat pain.