Kyushu University

Other

Nakashima Medical Co., Ltd.

Okayama University

Kanji Tsuru

Kunio Ishikawa

Yuki Sugiura

Yasuharu Nakashima

Akira Tsuchiya

Satoshi Hayakawa

Akiyoshi Osaka

Koichi Kuramoto

Keizo Ohta

Atsushi Sugino

Kenji Doi

Noriko Tanaka

Keiko Koyano

Tetsuya Shozui

A medical polymer material in which a phosphate group having a C&#x2014;O&#x2014;P chemical bond including elemental C in a main chain of a structural formula is present on a surface of a polymer material substantially free of phosphate and hydroxy groups except for ends in the structural formula.

Medical polymer material having excellent bone-bonding property

A medical use honeycomb structure having a plurality of through-holes extending in one direction, wherein an outer peripheral section of the medical use honeycomb structure has a through-hole groove formed by incomplete side walls of the through-hole, and a through-hole inlet adjacent to the through-hole groove.

Medical use honeycomb structure

To provide a method for producing a calcium carbonate block for medical use which is useful as a bone substitute or a bone substitute raw material needed in medical care, which is a method for producing a calcium carbonate block that satisfies the following desired properties: 1) the calcium carbonate block has excellent mechanical strength; 2) the calcium carbonate block can be produced by a simplified production method; 3) the calcium carbonate block contains no impurity; and 4) the calcium carbonate block has high reactivity. A method for producing a calcium carbonate block, comprising a step of shaping a water-containing calcium hydroxide block and a carbonation step of immersing the calcium hydroxide block in a carbonate ion-containing aqueous solution.

Method for producing calcium carbonate block

By forming a bone-compatible implant wherein a groove or hole has been formed in the surface of a base material made of titanium metal or a titanium alloy at its joint with a bone tissue and the groove or hole has on the inner surface thereof an oxide film formed by heating in an oxygen-containing atmosphere, apatite is allowed to deposit on the inner surface of the groove or hole easily. Thus, an implant is provided which can be attached to a bone within a relatively short period of time even without resorting to bone cement.

Bone-compatible implant and method of producing the same

A biocompatible implant for medical use having a layer of titanium or titanium alloys on its surface. The implant is electrochemically treated by using it for an anode in an electrolyte solution containing calcium ions so as to produce a layer of hydrated oxides or hydrated oxide gels, or is subject to an anodic treatment. Subsequently the implant is subject to another electrochemical surface treatment where the implant is employed as a cathode so as to yield a layer that involves or is adsorbed with calcium ions, thus forming on the implant a hydrated gel layer that has an excellent ability of forming apatite.

Biocompatible titanium implant for medical use

Growing community of inventors

Fukuoka, Japan

Kanji Tsuru