Items tagged “implants”
10 results found
Article
Dynamic hip screw
Dynamic hip screws (DHS) are a femoral head-sparing orthopedic device used to treat femoral neck fractures. It is sometimes referred to as a pin and plate.
Femoral neck fractures that are undisplaced and hence have a low risk of avascular necrosis (Garden I and II fractures) can be treated with...
Article
Derotation screw
A derotational screw is an orthopedic device used for internal fixation of fractures to, unsurprisingly, limit rotation of the fracture 1.
They are applied across fractures at risk of rotation and hence avascular necrosis.
Article
Hip hemiarthroplasty
Hip hemiarthroplasty is an orthopedic procedure for the treatment of certain femoral neck fractures where the femoral head is removed and replaced. The prefix hemi (meaning half) refers to the fact that the prosthetic femoral head articulates with the native acetabulum.
Indications
Hemiarthrop...
Case
Ommaya ventricular access device and VP shunt
Published
22 Mar 2017
91% complete
X-ray
Case
Bilateral mammoplasty
Published
11 Oct 2020
91% complete
Mammography
Article
Hardware failure
Orthopedic implant or hardware failure refers to the failure of the implant to live up to its expected requirements with respect to the manufacturer's or the surgeon's allegations. This includes any complication directly related to the implant such as wear, fractures, dissociations and dislocati...
Article
Spinal instrumentation hardware
Spinal instrumentation hardware refers to various types of implants used for fixation in spinal surgery. They can be used in various combinations and include wires, clamps, screws, different plate-screw and rod-screw interfaces, intervertebral prostheses and disk replacements.
Cervical spine in...
Article
Implant malposition
Implant malposition or hardware malposition refer to inappropriately positioned implants or hardware. It can be associated with various complications related to injury of adjacent structures.
Terminology
For implants with variant positions and no complications or increased risk, the term devia...
Article
Implant migration
Implant migration or hardware migration refers to the displacement of an implant or component away from its designated position and is associated with hardware failure and loosening. Examples of implant migration include screw break out or screw back out, cage extrusion, inlay extrusion, choledo...
Case
Contraceptive implant
Published
27 Mar 2023
94% complete
X-ray
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