[The Menghini needle: a simple apparatus in creating additional sideports in percutaneous internal biliary drainage catheters (author's transl)].

Configuration of commercially available percutaneous biliary drainage catheters is standardized. In many cases, additional proximal sideports are requested in order to assure correct internal bile flow. The Menghini needle has been proven useful in creating additional sideports in percutaneous internal biliary drainage catheters.