Plasma- or serum-collecting device

Details Plasma- or serum-collecting device Plasma- or serum-collecting device

2006-04-11

2006-04-11

Walker, W. L. (Department: 1723)

Liquid purification or separation

Filter

Vacuumized filtrate receiver

C210S488000, C210S489000, C210S505000, C210S645000, C210S483000, C210S496000, C210S497010, C210S503000, C210S510100, C210S321870, C422S105000, C422S105000

Reexamination Certificate

active

07025212

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.

REFERENCES:
patent: 5290443 (1994-03-01), Norton
patent: 6699388 (2004-03-01), Iwamoto et al.
patent: WO 9958172 (1999-11-01), None

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