Nipro Corporation

Takashi Arai

Susumu Kobayashi

Yuji Kuwahara

Naoaki Yasumura

Tomohiro Uchimura

Yukinori Ebara

Kazuhisa Ishihara

Shin-ichi Kawamura

Sunsuke Kikumoto

A blood reservoir () including a venous blood filter () and a cardiotomy filter (). The cardiotomy blood filter includes a first cardiotomy blood filter member () and a second cardiotomy blood filter member (). The filter member () is equipped with a first filter portion () and a second filter portion (). The first filter portion () forms the wall portion and the second filter portion () forms the bottom portion. Specifications of the first filter portion () and the second filter portion () are different. A guide member () of the blood storage tank () is made of a foam material. The blood from which bubbles have been removed is guided while permeating the guide member (). Consequently, the guide member () can lead the blood from which bubbles are removed to a predetermined position at a suitable liquid impact speed.

Blood reservoir

Blood reservoir with oxygenator

Growing community of inventors

Osaka, Japan

Takashi Arai