Heart valve prosthesis - comprises distributor mitral valve which can be fixed to heart wall with aid of plastic patches

Abstract

Abstract The heart valve prosthesis (1) is for replacement of the mitral valve or tricuspidal valve, and comprises a mitral valve (2) of a homologous or heterologous distribution, whereby the heart valve is fixed along the annular valve tissue with non-resorbable seam material in a seam ring (3). On the posterior velum (2b) in the central section (6) or nearer the commissures a ripple is formed and the resection ends are adapted with single knot seams. Over the papillary muscle heads (5) a plastic patch (8) is sewn, which represents an aid in the implantation for fixing to the heart wall. As reinforcement for the natural velum fibres a plastic fibre (10) is fixed to the seam ring (3). The plastic used is pref. PTFE. USE/ADVANTAGE - A mitral valve as a heart valve prosthesis. It can be transplanted as a complete mitral valve with its components (anterior and posterior velums, mitral ring, chordae tendineae, fibrous parts of the papillary muscle).

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