Flow rate control device having priming mechanism

Details Flow rate control device having priming mechanism Flow rate control device having priming mechanism

1997-05-23

1999-08-03

Hepperle, Stephen M.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

417478, 604247, A61M 514

Patent

active

059311932

ABSTRACT:
A flow rate control device which does not constitute an obstruction when it is connected to a liquid medicine continuous injector, which is not influenced by the body temperature of a patient and which can perform a priming operation of the liquid medicine continuous injector in a short period of time is disclosed. The control device is provided with a reservoir, a flow rate control tube and a release valve, which are preferably incorporated in a housing. The housing is provided with a through hole such that the reservoir can be pressed by a pressing means, and is also provided with a liquid medicine inlet and a liquid medicine outlet for the reservoir. A check valve is preferably provided in the liquid medicine inlet and the flow rate control tube and the release valve are provided in the liquid medicine outlet. The flow rate control tube and the release valve are provided coaxially with each other or in parallel with each other.

REFERENCES:
patent: 1352306 (1920-09-01), Mott
patent: 3739794 (1973-06-01), Lindgren
patent: 4245636 (1981-01-01), Sparks et al.
patent: 4741733 (1988-05-01), Winchell
patent: 4904239 (1990-02-01), Winchell et al.
patent: 5316452 (1994-05-01), Bogen et al.
patent: 5556258 (1996-09-01), Lange et al.

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