ES292639U - Valid health prótesis, perfected (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Cardiac valvular prosthesis, perfected, of the type of those constituted by an annular body whose axial emptying is obturable by an oscillating lentil around two hinges and acting as a butterfly valve, being able to move angularly between a closed position in which said lentil supports by its edges in two stepped and inverted recesses, practice in which said lentil contacts with body stops made in the annular body and another position of maximum openings, collateral to the pivot hinges, the articulation axis being displaced in asymmetric shape, characterized in that said pivot hinges are formed by means of oblique flanges as a unión between the ends and even edges of the reverse steps of the annular body and each rectangular recesses made in the lentil, at the ends corresponding to the axis of articulation thereof ; it being provided that the parallel side walls of each recess are affected by oblique recesses of seat adjusted to the slope of the oblique flange of the annular body, both in the closed position, as in the maximum opening in which the lentil in turn supports on the stops of the annular body located on the same side of the articulation axis; with the particularity that the surface of the lentil on which the opening blood pressure originates, is concave. (Machine-translation by Google Translate, not legally binding)