Pivoting frangible valve for plastic bags

Details Pivoting frangible valve for plastic bags Pivoting frangible valve for plastic bags

1984-10-09

1986-05-06

Rosenbaum, C. Fred

Surgery

Container for blood or body treating material, or means used...

Bag type

604200, 604905, A61B 1900

Patent

active

045869286

ABSTRACT:
Frangible valve for a closed plastic bag system comprising an upper member having a bore and located within a port on a plastic bag and a solid lower member extending into the bag. The lower member is attached to the upper member by at least one tether and includes a bore-sealing portion attached to the upper member via a weakened portion. In use, the bore-sealing portion is separated from the upper member by external manipulation to permit fluid flow through the bore while the bore-sealing portion remains tethered to the valve. In preferred embodiments, two tethers are included on opposite sides of the bore-sealing portion and the tethered bore-sealing portion includes means for keeping it separated from the bore in a fully open position after the bore seal has been broken.

REFERENCES:
patent: 4270534 (1981-07-01), Adams
patent: 4294247 (1981-10-01), Carter et al.
patent: 4340049 (1982-07-01), Munsch
patent: 4410026 (1983-10-01), Boggs et al.
patent: 4435179 (1984-03-01), Walker

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