PubMed · 1271597
The embedded broken-off needle.
Abstract
A technique for removal of broken-off needles embedded in the sole of the foot is described. Posteroanterior and lateral x-ray films with a radiopaque marker at the needle entry point make it possible to calculate the position of the needle. Using the marker as a third point of reference, solid geometry is used to identify the position and angle of the needle in the space of the foot. A stab wound using a No. 11 blade is aimed on a 90 degree angle at the middle of the needle, permitting its easy removal.
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R Leidelmeyer. 1976. The embedded broken-off needle.. https://doi.org/10.1016/s0361-1124(76)80062-7
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