de Romanis

Italian surgeon who devised the Marian operation (apparatus major) around 1520 contested

Dates: No dates given in the film's sources
Chapters: VI. The Stone-Cutters

Contested

His first name is given as Joannes by Riches and as Franciscus, of Cremona, by the EAU History Office; a brief for the film had Giovanni. The film uses the surname only.

Sources

Riches 1967, The history of lithotomy and lithotrity (Arnott Demonstration, RCS) Secondary
EAU History Office: The Marian method, the apparatus major Museum or society

What the film says

Devised a new approach around 1520, with a grooved staff passed into the bladder to guide the knife.

Watch 27:26 in the film VI. The Stone-Cutters

On the timeline

c. 1520: De Romanis devises the Marian operation, with a grooved staff to guide the instruments. timeline

Sources

Riches 1967, The history of lithotomy and lithotrity (Arnott Demonstration, RCS) Secondary
EAU History Office: The Marian method, the apparatus major Museum or society