COVER UNIT FOR USE WHEN INSERTING A PUNCTURE DEVICE IN AN ANATOMICAL STRUCTURE SUCH AS A VEIN OR AN ARTERY AND FOR MAINTAINING SAID PUNCTURE DEVICE IN THE ANATOMICAL STRUCTURE

摘要

A cover unit for use when inserting a puncture device such as a cannula in an anatomical structure such as a vein or an artery and for maintaining said puncture device in said anatomical structure, comprising a flexible film (125) having a glue provided surface (227), and a removable covering layer (109) to cover said glue provided surface and where said cover unit comprises a patient adherent member (103) and a barrier member (105) being connected along a puncture line, which , in use, is arranged close to a puncture site in a patient; and in that said film being made of an ultrasound transparent material; and in that said barrier member being provided with at least one slit or weakening line extending from next to said puncture line to a side edge of the cover unit and being provided in said film; and in that said covering layer in the barrier member is removable from the film separately from the corresponding covering layer in the patient adherent member.