In medicine, a fistula is an abnormal connection between an organ, vessel, or intestine and another structure, may be with skin. Fistulas are usually caused by injury or surgery, but they can also result from an infection or inflammation. Fistulas are generally a disease condition, but they may be surgically created for therapeutic reasons.

When not used by medical professionals, the term is often used to refer to a urogenital fistula.

Needle stick injuries and the transmission of hepatitis and HIV can occur during the removal and disposal of the needle1-4. Thanks to the moveable and lockable function of the Plume SP+ needle, the risk of needle stick injuries and thereby the transmission of infectious diseases is considerably reduced.