What is "barbotage"

n. Repeated injection and aspiration of fluid, used in such instances as the injection of spinal anesthetic, to break up and remove calcification (e.g., in a joint), and for obtaining fluid cytology (e.g., from the bladder or urethra).

Barbotage is a medical procedure that involves the repeated injection and aspiration of a fluid. Examples of barbotage include a technique of injecting spinal anesthesia, obtaining cytology (such as from the bladder or urethra), and removing calcification from joints.