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 (101) for use when insertion a puncture device (119) such as a cannula in an anatomical structure such as a vein or artery and for maintaining said puncture device in said anatomical structure, comprising a flexible film (125) having a glue provided surface, 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 connection line (107), which, in use, is arranged close to a puncture site in a patient; and in that said film (125) being made of an ultrasound transparent material; and in that said barrier member (105) being provided with at least one slit or weakening line extending from next to said connection line to a side edge of the cover unit and being provided in said film (125); 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 (103).