(3) Small curved knife with a dull, round tip, to widen narrow wounds on the stomach or the breast, but useful elsewhere as well. (4) Straight knife with button tip. (5) Another such knife, curved. Lorenz Heister (1673-1758), Chirurgie, in welcher alles, was zur Wund-Artzney gehöret, nach der neuesten und besten Art, gründlich abgehandelt .. werde (Nürnberg: Bey Johann Hoffmanns seel. Erben, 1731), 102, Tab. IV, 3-5. NML Medical Museum, T 176