1) Medical equipment 
The lithotrite was an early medical device, invented by Jean Civiale, which was used to perform transurethral lithotripsy, the first known minimally invasive surgery, to crush stones inside the bladder without having to open the abdomen (lithotomy). To remove a calculus the instrument was inserted through the urethra and holes bored in the stone. ...
• Alt. of Lithotritor
<instrument> A mechanical instrument used to crush a urinary calculus in lithotripsy. ... Origin: Litho-+ L. Tero, pp. Tritus, to rub ... (24 Mar 2004) ... 
(lith´o-trīt) an instrument for crushing calculi; called also lithoclast.
Type: Term Pronunciation: lith′ō-trīt Definitions: 1. A mechanical instrument used to crush a urinary calculus in lithotripsy. Synonyms: lithoclast
lithotrite An instrument for crushing stone in the bladder into minute particles which can be passed through the urethra.