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In vertebrate anatomy, the hip, or coxa [1] (pl.: coxae) in medical terminology, refers to either an anatomical region or a joint on the outer (lateral) side of the pelvis.. The hip region is located lateral and anterior to the gluteal region, inferior to the iliac crest, and lateral to the obturator foramen, with muscle tendons and soft tissues overlying the greater trochanter of the femur. [2]
Once the collapsed replacement valve is in place it is expanded, pushing the old valve's leaflets out of the way. [45] Guidelines suggest TAVR for most patients aged 75 years and older, and surgical aortic valve replacement for most younger patients. [46] Ultimately, the choice of treatment is based on many factors. [47] [46]
Traditional powder metallurgy methods are also more material efficient, yet acquiring fully dense products can be a common issue. [ 35 ] With the emergence of solid freeform fabrication ( 3D printing ) the possibility to produce custom-designed biomedical implants (e.g. hip joints) has been realized.
Sir John Charnley, CBE, FRS [1] (29 August 1911 – 5 August 1982) was an English orthopaedic surgeon.He pioneered the hip replacement operation, [4] which is now one of the most common operations both in the UK and elsewhere in the world, and created the "Wrightington centre for hip surgery".
Hip resurfacing has been developed as a surgical alternative to total hip replacement (THR). The procedure consists of placing a cap (usually made of cobalt-chrome metal), which is hollow and shaped like a mushroom, over the head of the femur while a matching metal cup (similar to what is used with a THR) is placed in the acetabulum (pelvis socket), replacing the articulating surfaces of the ...
A variety of tools are used to cut raw material. The most common cutting method is shearing. Special band saws for cutting metal have hardened blades and feed mechanisms for even cutting. Abrasive cut-off saws, also known as chop saws, are similar to miter saws but have a steel-cutting abrasive disks.
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