Blood sampling apparatus

Details Blood sampling apparatus Blood sampling apparatus

1993-06-22

1994-12-20

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

128760, 128765, 7386371, 7386384, 7386413, 7386416, 422100, 604 27, 604 38, 604 73, G01N 110

Patent

active

053744012

ABSTRACT:
A blood sampling apparatus includes a housing (1) closed off by a rotatable cover (4), which in turn seals off the housing completely with a seal (7). The cover has a threaded sleeve (9), which cooperates with a piston rod for axial displacement of a piston (2). The housing cover has an opening closed off by a sterile filter (11). When the piston (2) is displaced, this piston rod always remains completely inside the housing (1), so that no bacteria, other kinds of germs or any other kind of contamination can penetrate the housing from the outside (FIG. 1).

REFERENCES:
patent: 2851036 (1958-09-01), Lipari
patent: 4580577 (1986-04-01), O'Brien et al.
patent: 4673386 (1987-06-01), Gordon

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