Characteristics :

• Standard or lateralised, collared or collarless version.
• Cemented or cementless versions, with or without support.
• CCD angle of 130°.
• A 11/13 (4°) taper which needs to be combined with SERF “SI” or “SD” heads with the same 11/13 taper.

Materials :

• Cementless stems: titanium alloy and HAP
• Cemented stems: fully polished high-nitrogen stainless steel.
• Femoral heads: “SI” made from stainless steel or “SD” made from Biolox^® delta ceramic.

• An unique instrumentation
• A wide choice of broach handles for the different approaches : posterior, posterolateral, anterior and anterolateral.

The Libra^® stem range is indicated in the following cases:

• Primary or secondary arthrosis
• Fractures of the proximal femur
• Revision of a previous surgery, including hip arthroplasty
• For revision of surgery other than hip arthroplasty, the implantation of the femoral stem must not interfere with the equipment that is not removed, if applicable
• For hip arthroplasty revision surgery, the implanted femoral stem must be compatible with the equipment that has not been removed if applicable
• Only for a cementless femoral stem implantation, these indications are appropriate according to the following classifications: type 1, 2A and 2B of the Paprosky classification.

Contraindications of the Libra^® stem range are as follows:

• Localized or systemic acute or chronic infection
• Skeletal immaturity
• Pregnant or nursing women
• Known allergy to one of the prosthesis components
• Severe muscular, neurological, or vascular deficiency affecting the concerned limb
• Bone degradation or bone loss, or poor bone quality likely to affect the stability of the implant
• Local bone tumors
• Obesity.

LIBRA Stems Surgical Technique