From mid- + shaft.
midshaft (plural midshafts)
- The midpoint of a shaft.
2015 July 6, “Exposure to 100% Oxygen Abolishes the Impairment of Fracture Healing after Thoracic Trauma”, in PLOS ONE[1], →DOI:An axial load was applied to the top of the callus at the femoral midshaft, with a maximum force of 4 N.