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KMID : 0386419940070020606
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Journal of the Korean Fracture Society
1994 Volume.7 No. 2 p.606 ~ p.615
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Hooked Spring Plate : Its uses in paterior wall acetabular fracture fixation
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Abstract
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For fixation of small osteochondral fracture fragment which was difficult to fix with ordinary fixation device in comminuted acetabular posterior wall fracture, we employed a modified 3.5mm one thired tubular plate that was shaped into so-called
hooked
spring plate.
During operation, one end of a plate with two to five hole is flattened for a lenght of 1cm. The flattened end is fashioned into two spikes by trimming the end to the adjacent screw holes with a wire cutter. The resultant spikes are bent to 90
with
respect to the plate. The residual proteion of the plates is contoured with convex bow with respect to the bone. The hooks are placed either through the edge of the fragment or they are embedded into the fragment itself. Six consecutive patients
undergoing Kocher-Langenbeck approach for open reduction with internal fixation of posterior wall acetabular fracture(7/91-1.93) were reviewed.
There were five simple type and one associated type, as transverse and posterior wall. In two cases application of spring plate in isolation was done.
In four cases application of spring plate as part of a reconstruction plate assembly was done.
All six fractures progressed to union without any loss of the reduction of fixation.
In conclusion, the application of spring plate is mechanically sound, valuable for fixation of difficult small osteochondral fractures with avoidance of intaarticular penetration of metal. This method eliminates the need to employ screws in the
immediate juxta-articular portion of the plate and promotes early rehabilitation.
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