Protective device for an indwelling cannula

Abstract

Protective device (4) for an indwelling cannula (1) designed for puncturing a hollow body of a patient by means of a puncture needle (30), wherein the indwelling cannula (1) has at least one catheter assembly (2) comprising a catheter housing (20) and a tubular catheter tube (24) which exits the catheter housing (20) at a tube exit point (27) of the catheter housing (20), wherein a puncture needle (30) is longitudinally displaceable within the catheter tube (24), characterized in that the protective device (4) has at least one protective projection (41) designed to shield the catheter tube (24) laterally and / or from above from the surroundings, at least in the area of ​​a puncture site (5) where the catheter tube (24) is inserted through the patient's skin into the hollow body.