Books > Medicine > Clinical & internal medicine > Musculoskeletal medicine
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3D Applications in Hip Surgery (Paperback)
Loot Price: R4,503
Discovery Miles 45 030
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3D Applications in Hip Surgery (Paperback)
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Recent studies demonstrated the utility of advanced imaging
techniques including 3D CT collision modelling, MRI 3D
reconstruction and 3D fluoroscopy in hip surgery. Collision
modelling including software based on a CT scan and 3D fluoroscopy
are able to predict the specific zone of femoral-acetabular
impingement and are useful tools to plan the bone resection in
preserving hip surgery. Furthermore, they may be helpful for the
evaluation of acetabular coverage in hip dysplasia and may predict
the amount of correction needed during a periacetabular
reorientation osteotomy. On the other hand, CT based prototyping
and the custom 3D-printed implants have emerged as new options to
address severe bone loss or compromised anatomy. Although, there is
little published literature so far, the interest for this
technology in hip arthroplasty is growing. Patient and
defect-specific implants are designed from CT images and then may
be printed via a 3D model or may generate into a one-piece product.
Those solutions may be helpful in primary arthroplasty: first, they
may be used in a complex case where a standard implant may not be
easy to be performed because of the alteration of the bone
structure; eventually, they may be used in oncologic cases where a
great amount of bone should be resected. Custom implants find
indications also in revision arthroplasty, where the bone loss is
important. In fact, the resulting precision-fit of the implant to
the remaining patients bonestock minimizes the need for more bone
resection to fit an off-the-shelf product. Locking screw
configurations may be planned preoperatively to obtain the most
efficient purchase in the existing bone. Furthermore, by combining
angiography from the planning CT, locking screw trajectory can be
planned so as to maximize a fixation whilst minimizing vascular
risk.
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