Asahi Kasei Medical Co., Ltd.

Asahi Medical Co., Ltd.

Shin-ichiroh Oka

Tomohisa Yokomizo

Yoshimasa Matsuura

Takao Nishimura

A flexible blood filter allowing smooth flow of a liquid and being excellent in separation resistance, pressure resistance and centrifugation resistance. The blood processing filter, comprising a first filter element for removing aggregates from blood, a second filter element for removing leukocytes provided in the downstream of the first filter element, and the third filter element having gas permeability of 3 to 40 cc/cm/sec per thickness of 1 cm provided between the second filter element and the outlet port side container.

Blood processing filter

A flexible blood filter allowing smooth flow of a liquid and being excellent in separation resistance, pressure resistance and centrifugation resistance. The blood processing filter, includes a first filter element for removing aggregates from blood, a second filter element for removing leukocytes provided in the downstream of the first filter element, and a third filter element having gas permeability of 3 to 40 cc/cm2/sec per thickness of 1 cm provided between the second filter element and the outlet port. The filter contains a seal zone at a peripheral section which contains five layers including a layer of molten material and layers of molten material mixed with filter element material.

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Oita, Japan

Shin-ichiroh Oka