Daicel Corporation

Naoki Shimada

Takashi Arai

Yo Yamato

Hanako Asai

Koji Nakane

Provided is a blood filter that resists deterioration in properties as a result of electron beam sterilization treatment performed before or during use as a blood filter, has durability, dimensional stability, and chemical resistance at excellent levels, also has biocompatibility, and resists deterioration in properties even upon the electron beam sterilization treatment. The blood filter according to the present invention includes a nonwoven fabric made of PEEK fibers. Preferably, the blood filter according to the present invention has an average pore size of 3 to 280 &#x3bc;m and has a porosity of 15% to 70%; and the PEEK fibers have an average fiber diameter of 10 &#x3bc;m or less.

Blood filter

Provided is a bone fixation material that does not deteriorate in properties even by an electron beam sterilization treatment performed before or during use as a bone fixation material, has fatigue resistance, wear resistance, and dimensional stability at excellent levels, also has biocompatibility, and offers excellent osteoconnectivity. The bone fixation material according to the present invention includes a nonwoven fabric made of PEEK fibers. The bone fixation material according to the present invention preferably has an average pore size of 3 to 280 &#x3bc;m and preferably has a porosity of 15% to 70%. The PEEK fibers preferably have an average fiber diameter of 10 &#x3bc;m or less.

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Fukui, Japan

Naoki Shimada