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A total hip replacement (total hip arthroplasty or THA) consists of replacing both the acetabulum and the femoral head while hemiarthroplasty generally only replaces the femoral head. Hip replacement is one of the most common orthopaedic operations, though patient satisfaction varies widely.
The hip resurfacing devices are metal-on-metal articulating devices which differ from total hip replacement devices because they are more bone conserving and retain the natural geometry (so-called large ball THR devices share this trait). A THR requires that the upper portion of the femur bone be cut off to accept the stem portion of a THR device.
Total Hip Replacement: Lubinus SP II Austin Moore Bipolar Thompson Exeter Accolade Hip hemiarthroplasty: Hip resurfacing: Birmingham Total Knee Replacement: Gemini Endo-Model Sigma Attune Triathlon Scorpio Journey Legion Genesis II Vanguard VanguardXP NexGen Persona Unicompartmental knee arthroplasty: Sled Oxford Shoulder/Elbow/Ankle ...
ROBODOC is the first active robotic system that performs some of the surgical actions in a total hip arthroplasty (THA). It is programmed preoperatively using data from computer tomography (CT) scans. This allows for the surgeon to choose the optimal size and design for the replacement hip.
The application of robotic surgery is widespread in orthopedics, especially in routine interventions, like total hip replacement or pedicle screw insertion during spinal fusion.
Even if the defective device is replaced, it can leave behind dangerous, possibly deadly fragments that may not be discovered for years. DePuy identified reasons for the failure of the hip replacement system as component loosening, component malalignment, infection, fracture of the bone, dislocation, metal sensitivity and pain.