Coudé tip catheter
The coudé catheter has a curved tip and is derived from the French term “coudé” for “elbow.” Described by Louis Auguste Mercier in 1836
bi-coude catheter
Louis Mercier
Louis-Auguste Mercier (1811-1882) was a French urologist. Devised the coude catheter (Mercier catheter) with the tip at an angle (Mercier angle)