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US 6,659,288 B2Granted
Plasma- or serum-collecting device
AssigneeFuji Photo Film Co., Ltd.
InventorsYoshikazu Amano, Toshihiro Mori
Life of this patent
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Abstract
A plasma- or serum-collecting device with simple structure and easy to handle is provided. The device comprises a vacuum blood-drawing tube accommodating a blood-filtering unit, wherein the vacuum tube contains a space above the blood-filtering unit to preserve blood to be filtered and a partition wall under the blood-filtering unit to keep a backspace at reduced pressure, and the blood-filtering unit contains a communicating needle to break the partition wall at the bottom.
Claims2
A plasma- or serum-collecting device comprising a vacuum blood-drawing tube accommodating a blood-filtering unit, wherein
- the vacuum blood-drawing tube contains a space above the blood-filtering unit to preserve blood to be filtered and a partition wall under the blood-filtering unit to keep a backspace at reduced pressure;
- the blood-filtering unit contains a communicating needle to break the partition wall.
Dependencies are inferred from the claim text.