Hinged Knee Joint Hinge Knee Replacement

Uniform sizing of all components from legion primary to revision.

Hinged knee joint hinge knee replacement. Multiple femoral tibial stem and augment sizes. Legion hinged knee is an extension of the clinically successful legion total knee system. This type of knee replacement is used when the knee is highly unstable and the person s ligaments will not be able to support the other type of knee. The replacement can also be made with oxidized zirconium.

A hinged knee replacement is an implant system in which the three components the upper the lower and the plastic liner of the implant are joined together with a hinged mechanism. The rotating knee replacement implants not only swing back and forth like a hinge but the knee can also rotate inwards and outwards a twisting motion. Including revisions and hinge knee replacements. Typically this type of knee replacement is used when a knee is highly unstable and the patient s ligaments will not provide the support necessary for the more.

Legion primary revision and hinge share the same bone conserving femoral resections. Rotating knee replacement implants. In many conventional rotating hinge knee designs the hinge mechanism bears the majority of the compressive load until full extension is achieved. The medial compartment the inner side of the knee the lateral compartment the outer side of the knee and the patello femoral compartment underneath the kneecap.

In this case the two components of the knee joint are linked together with a hinged mechanism. A natural knee joint is composed of three compartments. S rom noiles rotating hinge knee system nrh is a clinically proven 1 hinge design for patients with severe soft tissue instability and or bone deficiency. The system allows for optimal fit and fill for a wide range of bone deficiencies with the utilization of modular wedges stem extensions and metaphyseal sleeves.

Constraint or hinged variety implants are rarely used as a first choice of surgical options. We offer market leading knee replacement implants for partial knee and total knee arthroplasty for primary and revision procedures featuring our cemented and cementless flagship tka solution the triathlon knee system. A patient s age also can be an indicator that a hinge knee may be appropriate procedure according to gehrke.