During World War I an ingenious German surgeon, Ernst Ferdinand Sauerbruch, developed a plastic operation to link the muscles of an amputated stump to an artificial arm so efficiently that the live muscles could operate the fingers of an artificial hand. In a new book two German refugee surgeons describe the classic Sauerbruch technique (Cineplastic Operations on Stumps of the Upper Extremity; Grune & Stratton; $3.75).
The operation: two canals are fashioned In the muscles of the arm, one in the flexors, one in the extensors. The surgeon marks out a two-inch square...
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