Asahi Kogaku Kogyo Kabushiki Kaisha

Pentax Corporation

Takamitsu Yoshida

Keita Abe

Yukio Taniguchi

Junichi Koyama

Shingo Shiotani

Motomasa Kato

Yoshiro Imamura

An implant designing method to be applied to a body of bone which has a bone deficient portion, wherein the bone being substantially symmetric with respect to a plane of symmetry, includes generating three-dimensional data of the bone based on a plurality of pieces of tomographic data of the bone, and estimating a shape of a bone that is to exist at the bone deficient portion using part of the three-dimensional data corresponding to a symmetrical part of the bone deficient portion.

Implant forming method

A keyhole button used as a supplement of a keyhole portion formed on a cranium is constituted to have a brim portion having front and back surfaces, and a shaft portion integrally provided on the back surface of the brim portion. The front surface of the brim portion is convexed in a first direction, and concaved in a second direction that is perpendicular to the first direction.

Keyhole button

Growing community of inventors

Saitama-ken, Japan

Takamitsu Yoshida