Blood collection bag weight monitor

Details Blood collection bag weight monitor Blood collection bag weight monitor

1985-10-17

1987-07-07

Miller, Jr., George H.

Weighing scales

Self-positioning

Spring

177245, 128771, G01G 308, G01G 1900, B65D 8100

Patent

active

046780491

ABSTRACT:
A weight monitor includes a first part for attachment to a pedestal or other support member and a second part for suspending a blood collection bag to be filled by a flow of blood from a donor. A trough shaped spring interconnects the first and second parts and retains the second part in fixed positional relationship to the first part until the bending force imposed upon the spring by the filling blood collection bag exceeds a predetermined value at which point the spring flexes abruptly and the second part becomes positionally reoriented with respect to the first part. A clamp, associated with the fill tube of the blood collection bag, is actuated by the reorientation of the second part to terminate further flow of blood through the fill tube into the blood collection bag.

REFERENCES:
patent: 3115152 (1963-12-01), Goldberg et al.
patent: 4027735 (1977-06-01), Floyd
patent: 4378854 (1983-04-01), Rosen

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