MUTARS patella replacement cemented - Polyethylene patella prosthesis

Intended purpose

A patella resurfacing component of the MUTARS system used as part of a knee reconstruction. Primary indication for the use of the MUTARS systems is after bone resection because of a tumour. Further indications for the use of the MUTARS systems are massive bone loss such as in Morbus Gorham or for the revision arthroplasty and for the prosthetic treatment in case of fractures, pseudarthrosis and arthrosis.

Functional description

A monoblock all-poly patella resurfacing implant. It has three pegs & is used with bone cement only. Made of UHMW-PE with a stainless steel x-ray wire, it articulates around a single point with the corresponding femoral component and is axisymmetric. The surface roughness Ra is 1.6 ?m. The radius of curvature is 16 mm for the standard and 20 mm for the large. Angle between the pegs is 120°. Can be used with all MUTARS femoral components (size independent) and its use is optional.