Overview Lithotripsy for the Treatment of Gallstones Status: Terminated Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary The purpose of this study is to determine the effectiveness and safety of using the Medstone lithotripter to treat single non-calcified gallstones from 4 to 20 mm in diameter. Phase: Phase 4 Details Lead Sponsor: Medstone InternationalTreatments: Ursodeoxycholic Acid