Six lancets in a tortoiseshell case, England, 1701-1900
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A surgical instrument of various forms, commonly sharp-pointed and two-edged. The lancet is used in venesection (the act of opening a vein for bloodletting), and in opening abscesses.
Puncturing a vein in order to withdraw blood. A popular medical practice for over two thousand years. Bloodletting often involved withdrawing large quantities of blood in the belief that this would cure or prevent many illnesses and diseases. The practice has been abandoned for all but a few very specific conditions.