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Cementless Trapeziometacarpal Joint Replacement with Metal-on-Metal Articulation.
Metacarpal Components
The CarpoFit Trapeziometacarpal Joint Replacement System consists of three modular components. The metacarpal stems are available in four sizes 5,6,7, and 8 mm. The shafts are made of forged implatan® Titanium alloy. A TriCalciumPhosphate coating provides an additional bone ingrowth facility.
Articulating components
The articulating components of casted implavit®, CoCrMo-alloy are available in 4 neck lengths and each will fit any of the 4 metacarpal stems.
PressFit-Cup
The conical press-fit cup enables an optimal primary fixation in the bone. For the secondary, bone ingrowth, stability a TCP coating is applied on these components, manufactured from implavit® CoCrMo-alloy.
Instruments
All trial components are color coded to simplify the selection of the components to be implanted after trial reduction.
The CarpoFit Trapeziometacarpal Joint Implant was developed in cooperation with Prof. Dr. med U. Joosten, orthopaedic surgeon Clinic for Traumatology Marienhospital Osnabrück Germany. | 
