Abstract: A sliding fastening for a plastics material part having at least one thin wall that is to be slidably fastened to a support via its thin wall, the part including in said thin wall an elongate opening having two longitudinal edges that are substantially parallel at least over a portion of their length, the fastening comprising a spacer that is separate from the part, that is thicker than the thickness of the thin wall, and that is suitable for sliding in the opening between the two longitudinal edges thereof, a cover completely covering the spacer, being larger than the opening so as to be incapable of passing through it in order to hold the thin wall in register with the thickness of the spacer, and a base for securing to the support. In the fastening the spacer and the base are united by frangible links.

Abstract: The invention concerns a medicinal composition comprising, in therapeutically efficient amounts, hypertonic sodium chloride, at least a molecule directly or indirectly providing a relaxing effect on the vascular smooth muscles, and at least a molecule capable of supplying an exogenous phosphate input.