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Total prosthetic replacement of atrioventricular valves in the dog
  1. G. Den Otter
  1. Laboratory for Experimental Surgery of the Free University at Amsterdam
  2. Department of Applied Physiology of the State University at Leyden

    Part II. Development of tilting cone mitral prosthesis

    Abstract

    The free-floating cone and cage valve, described in a previous study as being successful as a substitute for the right atrioventricular valve, does not perform well when it is inserted in the mitral ostium. A tilting cone or disc was constructed and tested in a series of 15 dogs. This prosthesis gave excellent results in 12 animals. The reasons for its failure in the remaining three is discussed. The prosthesis presented has advantages over any ball and cage valve, mainly because of its smaller volume.

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