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Dynamic hip screw. Dynamic hip screw (DHS) or Sliding Screw Fixation is a type of orthopaedic implant designed for fixation of certain types of hip fractures which allows controlled dynamic sliding of the femoral head component along the construct.
Condylar blade plate for condylar fractures of the femur [16] Ender's nail for fixing intertrochanteric fracture [17] Grosse-Kempf nail for tibial or femoral shaft fracture [18] Hansson pin (or LIH for Lars Ingvar Hansson), a hook-pin used for fractures of the femoral neck [19] Harrington rod for fixation of the spine [20]
In hip resurfacing surgery, accurately identifying the true centre of the femoral neck in both antero-posterior (AP) and lateral planes is crucial. [4] This reference point is essential for the precise positioning of the femoral neck. Failure to correctly position the femoral component can lead to early implant failure. [3]
The neck is flattened from before backward, contracted in the middle, and broader laterally than medially. The vertical diameter of the lateral half is increased by the obliquity of the lower edge, which slopes downward to join the body at the level of the lesser trochanter , so that it measures one-third more than the antero-posterior diameter.
To determine the level of femoral malrotation, with this method, two radiographs of the pelvis and upper legs must be made. Firstly, an anteroposterior (AP) perspective which shows the degree of difference between the femoral neck and femur, and another view where the hips and knees are both flexed to a right angle, which determines antetorsion.
Femoropopliteal bypass surgery is mainly used to treat cases of femoral artery blockage that cause more severe symptoms that restrict completion of daily tasks such as peripheral artery disease and claudication, or cases that have not responded well to other treatment options . Before surgery is considered, adjustments are made to lifestyle ...
Alternatively, an initial surgery may be performed to remove previous prosthetic material, and the new prosthesis is then inserted in a separate surgery at a later time. In such cases, especially when complicated by infection, a spacer may be used, which is a sturdy mass to provide some basic joint stability and mobility until a more permanent ...
X-ray showing the proximal portion of a fractured tibia with an intramedullary nail Proximal femur nail with locking and stabilisation screws for treatment of femur fractures of left thigh An intramedullary rod , also known as an intramedullary nail (IM nail) or inter-locking nail or Küntscher nail (without proximal or distal fixation), is a ...