Total mitral heterologous bioprosthesis to be used in mitral tri

Details Total mitral heterologous bioprosthesis to be used in mitral tri Total mitral heterologous bioprosthesis to be used in mitral tri

1997-05-14

1999-06-08

Milano, Michael J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Heart valve

Having rigid or semirigid pivoting occluder

A61F 224

Patent

active

059101695

ABSTRACT:
The present invention relates to a heterologous total stentless mitral valve prosthesis for the use in mitral and tricuspid position which provides for better hemodynamic performance. This mitral valve prosthesis addresses the specific needs of flow and contractility, thereby prolonging durability. The heterologous total stentless mitral heart valve prosthesis of this present invention comprises one sewing ring, leaflets, and subvalvar apparatus having new chordal insertions which are fixed between two heterologous pericardial patches. This heart valve prosthesis is obtained from heterologous mammals, such as swine, ovine, bovine, and moreover, the pericardial patches used may also be of synthetic material. The heart valve prosthesis presents specific design benefits from its anatomical and functional characteristics permitting attachment of the chordae to the patient's papillary muscles and attachment of its sewing rim to the mitral annulus of the patient thereby providing for better hemodynamic performance and avoiding disfunction and dilatation.

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patent: 4960424 (1990-10-01), Grooters
patent: 5156621 (1992-10-01), Navia et al.
patent: 5415667 (1995-05-01), Frater

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