Surgery

Bleeding lancet (3)

Fliet after the Latin "flebotomum" is the Aderlass-Messer with which the Bader performed the bloodletting from the Middle Ages to the 20th century.

Exhibit

The presented lancet has two different sized blades,  sunk in a case of horn [note the bites by clothes moth (Tineola bisselliella).

No manufacturer information.

Doubt arises with such objects, whether human or veterinary. That's it, probably occasionally for humans, but mostly for animals ...

cf. Gordon Dammann, Pictorial Encyclopaedia of Civil War Medical Instruments and Equipment, 1983, Volume 1, page 38.