Single needle apparatus

Details Single needle apparatus Single needle apparatus

1985-08-05

1987-02-17

Truluck, Dalton L.

Surgery

Blood drawn and replaced or treated and returned to body

604118, 128DIG13, A61M 103

Patent

active

046437142

ABSTRACT:
Automatically monitoring the volume of blood removed from a patient during the arterial phase of a control cycle of single venipuncture needle apparatus, and switching from the arterial phase to the venous phase when a predetermined stroke volume has been achieved.

REFERENCES:
patent: Re29346 (1977-08-01), Kopp
patent: 3830234 (1974-08-01), Kopp
patent: 4063554 (1977-12-01), Willock et al.
patent: 4231366 (1980-11-01), Schael
patent: 4464164 (1984-08-01), Troutner et al.
patent: 4490134 (1984-12-01), Troutner
patent: 4514295 (1985-04-01), Mathieu et al.
patent: 4552552 (1985-11-01), Polaschegg et al.

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