[The development of a original multifunctional peritoneal biopsy needle]

A multifunctional peritoneal biopsy needle is introduced in this paper, which can be used for peritoneal biopsy, brush biopsy and routine, biochemical and cytological examination. The clinical applications show that it could raise markedly the diagnosis rate of ascites, and especially it has important clinic diagnosis value for tuberculous and cancer ascites, and primary peritonitis complicated by hepatocirrhosis. It is simple, safe and practical to operate this needle.