Avenir Complete Post-Market Clinical Follow-Up Study

Who can take part

• Patient is at least 20 years old or older and skeletally mature
• Advanced wear of the joint due to degenerative, post-traumatic or rheumatic diseases
• Failed previous hip surgery including; Joint reconstruction (osteotomy); Arthrodesis; Hemi-arthroplasty or total hip replacement (THR)
• Acute traumatic fracture of the femoral head or neck
• Avascular necrosis of the femoral head
• Patients capable of understanding the surgeon's explanations and following his instructions, able and willing to participate in the follow-up program and who gave consent to take part in the study

Who cannot take part

• Failed previous hip surgery including; Joint reconstruction (osteotomy); Arthrodesis; Hemi-arthroplasty or total hip replacement (THR)
• Lack of bony structures proximal or distal to the joint, so that good anchorage of the implant is unlikely or impossible
• Any concomitant diseases that can jeopardize the functioning and the success of the implant
• Any vulnerable subject:; a prisoner; mentally incompetent or unable to understand what participation in the study entails; a known alcohol or drug abuser; anticipated to be non-compliant
• Acute, chronic, local, or systemic infections
• Severe muscular, neural, or vascular diseases that endanger the limbs involved
• Advanced wear of the joint due to degenerative, post-traumatic or rheumatic diseases
• Acute, chronic, local, or systemic infections
• Severe muscular, neural, or vascular diseases that endanger the limbs involved
• Allergy to the implanted material, especially to metal (e.g. cobalt, chromium, nickel, etc.)
• Patients who have any condition that would - in the judgement of the Investigator - place him/her at undue risk or
• Patient is at least 20 years old or older and skeletally mature
• Lack of bony structures proximal or distal to the joint, so that good Inclusion criteria
• Acute traumatic fracture of the femoral head or neck
• Avascular necrosis of the femoral head
• Patients capable of understanding the surgeon's explanations and following his instructions, able and willing to participate in the follow-up program and who gave consent to take part in the study
• Total or partial absence of the muscular or ligamentous apparatus
• Local bone tumors and/or cysts
• Pregnancy
• Skeletal immaturity
• Patients unwilling or unable to give consent, or to comply with the follow-up program
• interfere with the study
• Patients with plans to relocate during the study follow-up period
• Individuals whose willingness to volunteer in a clinical investigation could be unduly influenced by the expectation, whether justified or not, of benefits associated with participation or of retaliatory response from senior members of a hierarchy in case of refusal to participate