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Product：Nasal Billary Drainage CatheterModel：
Nasal Billary Drainage Catheter （Disposable product）
It is inserted into the bile duct through mouth and nose to conduct the radiographic diagnosis as well as the biliary drainage.
It used for biliary duct drainage through nasal passage and treatment of strictures in the ductile system.
specification: 6Fr 7Fr 8Fr
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