Purpose: The aim of this study was to estimate the ratio of complete clearance of stone after lithotripsy through Kehr-tunnel in patients with remaining stones at Binh Dan hospital in 10 years. Method: A prospective analysis. With the time of 10 years, 826 patients with recurrent or remaining stones in bile duct and must be performed lithotripsy treatment at the Department of Heaptobiliary - Binh Dan hispital. These patients were included in the research samples. Result: Average age: 46,2 +/- 8,9
the ratio of complete clearance of stones is 95,9 percent
positions in the right lobe takes lead (32,4 percent) in the reasons for remaining stones after operation, the most common complication is bleeding (4,4 percent)
and 86,6 percent of patients have no plinical changing after operation. Conclusion: Finding method to treat the bile duct stone completely was a. question being posed. Lithotripsy through Kehr-tunnel was performed after surgery to open the common bile duct which later is drained with the Kehr tube, there are 95,9 percent of patients are- pomplete clearance of stone, this is a deserving attentive result.