Importance

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Abstract

A medical article for implantation into the vascular system of a patient comprises a self expanding body shaped substantially into the form of a body (1; 2) of revolution, at least part of the surface of which is defined by wire members (3) forming cells of a generally polygonal shape. The body of revolution has a diameter increasing continuously in an axial direction of the body from one end forming an apex (4) towards the opposite end forming a base (5). In a preferred embodiment, the body (1; 2) of revolution is defined by a generatrix forming n-th order curve. The article may comprise two bodies (1; 2) of revolution joined at their apices (4). The article may be used, in particular as an intravenous filter for the capture of thrombi or in combination with an elastic blood impermeable membrane flexibly linked to the apex of the body of revolution as an occlusion device for closing a vessel lumen or defects such as ASD or PDA in vascular walls.

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First Claim