TIL: Chainsaws originally developed for surgery

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Augie

Augie

Feeling the Heat
Nov 8, 2012
468
North Of Canada
The origin is debated, but a chainsaw-like tool was made around 1830 by the German orthopaedist Bernhard Heine. This instrument, the osteotome, had links of a chain carrying small cutting teeth with the edges set at an angle; the chain was moved around a guiding blade by turning the handle of a sprocket wheel. As the name implies, this was used to cut bone.
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