Other

Katsuhiro Chaki

Akihiko Ichikawa

Kohichi Imura

Takashi Umezawa

A porous ceramics body for in vivo or in vitro 1use in which a number of pores are closely distributed in three dimensional directions, adjoining pores thereof being partitioned by wall portions with respective communication ports to bring said adjoining pores into communication with each other such that a series of connected spherical pores are formed therewithin, said porous ceramics body being made of a sintered calcium phosphate body, characterized in that, within said sintered calcium phosphate body, pores each having a diameter of 5 microns (&mgr;m) or more account for 80% or more of all the pores in terms of volume whereas pores having a diameter of less than 5 microns (&mgr;m) account for less than 20% of all the pores in terms of volume as subjected to a mercury porosimeter measurement.

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Hadano, Japan

Katsuhiro Chaki