ENDOLUMINAL CENTRING CATHETER

摘要

An endoluminal centring catheter (1) comprises an outer layer of material (2) covering a core (3) which has spaced perforations (5) each of which connects with a longitudinal duct through which a pressurised fluid may be introduced. The outer layer (2) is bonded to the core (3) except at the areas around the perforations (5). In these areas a thin layer of easily releasable material is interposed which prevents the layer (2) from bonding to the core (3). When a pressurised fluid is introduced into the ducts there is a localised blister-like distension of the outer layer (2) in the zone around the aperture (5).