A comparative surface analysis of explanted hip joint prostheses made of different biomedical alloys
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The hip is one of the most injured joint in the body with ageing. Osteoarthritis and degenerative diseases often lead to the necessity of a total hip arthroplasty in order to reduce pain and increase mobility. The advantage of cementless implants resides i ...
Mobile-bearing total knee arthroplasty has potential advantages over fixed- bearing prostheses that may lead to an improvement of the range of motion and inferior long-term polyethylene wear. However, the potential disadvantages include the dislocation of ...
In this work, a low-firing thick-film materials system allowing fabrication of piezoresistive sensors on surgical alloys is presented in detail, with application to a force-sensing surgical instrument. The system comprises a series of individual thick-film ...
The primary stability of cementless femoral components is crucial for the long-term success of total hip arthroplasty. The mechanisms which influence this stability are not yet well understood. However, mechanical environment in peri-implant tissue is know ...
In this work, a low-firing thick-film materials system allowing fabrication of piezoresistive sensors on surgical alloys is presented in detail, with application to a force-sensing surgical instrument. The system comprises a series of individual thick-film ...
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Total ankle replacement remains a less satisfactory solution compared to other joint replacements. The goal of this study was to develop and validate a finite element model of total ankle replacement, for future testing of hypotheses related to clinical is ...
Knee and hip joint replacement implants involve a sliding contact between the femoral component and the tibial or acetabular component immersed in body fluids, thus making the metallic parts susceptible to tribocorrosion. Micro-motions occur at points of f ...
The ankle is a complex joint of the human body which is most often affected by trauma. Osteoarthritis is a joint disease that can require surgical intervention and when it affects the ankle there are two options to achieve pain relief. For years ankle fusi ...
The initial stability of cementless femoral components is crucial for the long-term success of total hip arthroplasty. This has been reported in animal and clinical studies. Until now, the stability was evaluated by the measurement of relative micromotion ...
The probe has support cylinder (214) that is slidingly provided in distal portion of internal lumen. Several shafts coupled to support cylinder and arranged to be selectively extended from distal end of elongated shaft. Several conductive traces provided o ...
