Caroline Eichler
GERMAN INSTRUMENT MAKER, DESIGNER AND ORTHOPEDIC TECHNICIAN
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Margarethe Caroline Eichler (born in 1808 or 1809; died 6 September 1843 in Berlin) was a German inventor, instrument maker and prostheses designer. She was the first woman in Prussia to receive a patent (for her leg prosthesis) and was also the inventor of the first practical modern hand prosthesis.