A Charcot trabecular system and method is provided. The Charcot trabecular system embodies a threaded bolt-like fastener, wherein a middle portion of the shank of the systemic fastener is made of a porous material, while the remaining portions of the systemic fastener denser provides a denser material. The porous shank portion may be made of material dimensioned and adapted to pass blood and particulate bone matter therethrough. As a result, in use when connecting bones together, the denser material provides for stabilization and structural support to the associated damaged joint, while the porous shank facilitates optimal bone healing via boney ingrowth and bone ongrowth through and around the implanted systemic fastener.

A method for ameliorating joint conditions and diseases and preventing bone hypertrophy, including facilitating cartilage regrowth and preventing bone overgrowth to a damaged bone at a treatment site within a body joint to promote healing. The method comprises providing a device having a first section comprising a joint-ward end having an inner surface and an outer surface and fenestrations between the inner and outer surfaces. A second section comprises an opposing leading end and a lateral wall extending between the joint-ward end and the leading end. The leading end is penetrated into the bone to a depth to substantially position: 1) the joint-ward end in a cartilage zone; wherein the outer surface of the joint-ward end is configured to facilitate cartilage regrowth; and 2) the second section in the bone; wherein the inner surface of the joint-ward end is configured to prevent bone overgrowth into the cartilage zone within the body joint when the device is positioned at the treatment site.

A surgical implant, which in use, provides a barrier between layers of tissue such that tissue on one side of the implant does not adhere to tissue on the other side, the improvement comprising that the implant is made of suitably anatomically shaped surgically acceptable sheet material.

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.

An intervertebral implant component of an intervertebral implant includes an outer surface for engaging an adjacent vertebra and an inner surface. A keel extends from the outer surface and is designed to be disposed in a slot provided in the adjacent vertebra. This keel extends in a plane which is non-perpendicular to the outer surface; and preferably there are two of the keels extending from the outer surface which are preferably offset laterally from one another. In another embodiment, an anterior shelf is provided at an anterior end of the outer surface, and this anterior shelf extends vertically away from the inner surface in order to help prevent bone growth from the adjacent vertebra towards the inner surface. Further in accordance with disclosed embodiments, various materials, shapes and forms of construction of the component and/or keel provide various benefits.

The techniques described herein relate to a tibial prosthesis for a knee arthroplasty optionally including a baseplate and a tibial keel. The baseplate optionally including: a distal surface sized and shaped to substantially cover a proximal resected surface of a tibia; a proximal surface opposite the distal surface, the proximal surface having a lateral compartment and a medial compartment opposite the lateral compartment; a periphery extending between the distal surface and the proximal surface; a first layer of porous material forming at least a majority of the distal surface and extending to the periphery; and a second layer of non-porous or relatively less porous material having a plurality of reference features extending through the first layer, wherein the plurality of reference features form at least a portion of the distal surface; and a tibial keel extending distally from the distal surface to define a longitudinal tibial keel axis.

A method of making a spacer device or a device to be implanted in a human body that includes a containment body and is suitable for treating a bone seat or a joint seat of the human body includes a base portion and side walls that extend from the base portion and that delimit between them at least one cavity, wherein the containment body has a plurality of pores and/or at least one opening, configured to place the at least one internal cavity in communication with the outside of the containment body.

Implants for prevention of cold welding, corrosion and tissue overgrowth on surfaces between medical implant components include a first medical implant component having a first implant contact surface, a second medical implant component having a second implant contact surface positionally interfacing with the first implant contact surface of the first medical implant and a separation coating material on at least one of the first implant contact surface and the second implant contact surface. Methods for prevention of cold welding and/or corrosion between and/or tissue/bone overgrowth on implant components and methods of scaling an interface between a first implant component and a second implant component in a prosthesis system are also disclosed.

Methods for prevention of cold welding and/or corrosion between and/or tissue/bone overgrowth on implant components may include obtaining a first medical implant component having a first implant contact surface; obtaining a second medical implant component having a second implant contact surface, the second implant contact surface adapted for placement into contact with the first implant contact surface, the first implant contact surface and the second implant contact surface encompassing all points of contact between the first medical implant component and the second medical implant component; and applying a nonmetallic biocompatible separation coating material having a wax formulation on at least one of the first implant contact surface and the second implant contact surface, the nonmetallic biocompatible separation coating material separates the first implant contact surface from the second implant contact surface at all of the points of contact between the first medical implant component and the second medical implant component. Medical implant for prevention of cold welding, corrosion and tissue overgrowth on medical implant components are also disclosed.

Methods, apparatuses, systems, and implementations for inductive heating of a foreign metallic implant are disclosed. A foreign metallic implant may be heated via AMF pulses to ensure that the surface of the foreign metallic implant heats in a uniform manner. As the surface temperature of the foreign metallic implant rises, acoustic signatures may be detected by acoustic sensors that may indicate that tissue may be heating to an undesirable level approaching a boiling point. Once these acoustic signatures are detected, the AMF pulses may be shut off for a time period to allow the surface temperature of the implant to cool before applying additional AMF pulses. In this manner, the surface temperature of a foreign metallic implant may be uniformly heated to a temperature adequate to treat bacterial biofilm buildup on the surface of the foreign metallic implant without damaging surrounding tissue. The AMF pulse treatment can be combined with an antibacterial/antimicrobial treatment regimen to reduce the time and/or antibacterial dosage amount needed to remove the biofilm from the metallic implant.