This form of uterine dilator is associated with William H. Wathen (1846-1913), a physician/surgeon in Louisville, Ky., and professor of gynecology at the University of Louisville. The handles that are bent down, the blades that are short and sharply corrugated, and a threaded cross bar that extends from one handle to the other.
Ref: Charles Truax, The Mechanics of Surgery (Chicago, 1899), p. 458.
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