Blood-tube cap with coagulant additive

Details Blood-tube cap with coagulant additive Blood-tube cap with coagulant additive

1998-02-02

1999-11-02

Kim, John

Liquid purification or separation

Filter

Prefilt flow distributor or diverter

210398, 215247, 215316, 422102, B01D 6500, B01L 300

Patent

active

059753137

ABSTRACT:
A blood-tube cap has a generally tubular collar having a front end adapted to fit with a needle holder and a rear end adapted to fit with a blood tube and forming an axially extending passage between its ends, a pierceable membrane in the passage adjacent the front end, a flow-calming body in the passage rearward of the membrane, and a coating of a blood-reacting substance on the body. The passage is generally cylindrical and centered on an axis and the body is wedged in the passage. Furthermore the body is of cruciform cross section so as to leave spaces around itself through which the blood can flow, while effectively contacting the coating substance.

REFERENCES:
patent: 3322114 (1967-05-01), Portnoy
patent: 3929646 (1975-12-01), Adler
patent: 4083788 (1978-04-01), Ferrara
patent: 4492634 (1985-01-01), Villa-Real
patent: 4652429 (1987-03-01), Konrad
patent: 4664274 (1987-05-01), Konrad
patent: 5308506 (1994-05-01), McEwen et al.

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