Nippon Piston Ring Co., Ltd.

Saitama University

Takasumi Kubo

Yoshiki Ishikawa

Takashi Kawabata

Shunsuke Takeguchi

Hiroki Takahashi

Hiroshi Matsushima

Yuki Kimura

Shin Ishida

Masafumi Morita

Masahito Miki

Toshio Nagase

Takeshi Aizawa

A marker for use in a living body includes an indicator part to be placed in a living body for a predetermined period of time, and the indicator part is configured to indicate information on the living body or information on the indicator part by means of a difference in X-ray image. Thus, there are provided the marker for use in a living body and an instrument set for inserting the marker for use in a living body capable of identifying a predetermined site in a living body easily and accurately.

Marker for use in living body and instrument set for inserting marker for use in living body

A titanium alloy includes 15 to 27 atomic % (at %) of tantalum (Ta) and 0 to 8 at % of tin (Sn), the balance being titanium (Ti) and unavoidable impurities, when the entire 5 amount of the titanium alloy is taken as 100 at %. Therefore, the titanium alloy provided has characteristics suitable for medical device materials, biocompatible materials, etc.

Titanium alloy

There is provided an implant that is safe for the living body. An angular plate as the implant includes a bone supporting plate part and a blade part. The blade part is integrally formed with the bone supporting plate part, and extends from one end of the bone supporting plate part at a predetermined angle &#x3b1; (0&#xb0;&#x3c;&#x3b1;&#x3c;180&#xb0;) relative to the bone supporting plate part. The angular plate is formed from a titanium-tantalum-based alloy containing tin. The angular plate is preferably formed from a titanium-tantalum-based alloy containing tin in which a Young's modulus is decreased by increasing the reduction ratio thereof.

Implant and method for producing implant

A titanium alloy includes 15 to 27 atomic % (at %) of tantalum (Ta) and 0 to 8 at % of tin (Sn), the balance being titanium (Ti) and unavoidable impurities, when the entire amount of the titanium alloy is taken as 100 at %. Therefore, the titanium alloy provided has characteristics suitable for medical device materials, biocompatible materials, etc.

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Saitama, Japan

Takasumi Kubo