Container for liquids for use in medicine and surgery

Surgery – Container for blood or body treating material – or means used... – Bag type

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Details

604415, 206610, A61M 500

Patent

active

044963629

ABSTRACT:
A container for liquids for use in medicine and surgery is made of flexible plastics material and a container volume is defined by heat seals at each end of the container. At one end of the container there are three ports one being a filling tube and the other two being outlet or additive ports which are sealed by frangible membranes. To allow for expansion of air in the volumes outside those membranes the outer end of each of those ports open into expansion chambers defined by further heat sealed seams of the sheet or tube material forming the container. A line of weakening enables these expansion chambers to be torn off immediately before the use of the appropriate port so as to gain access to the port but so as meanwhile to have preserved the sterility of the outer surface of the membrane.

REFERENCES:
patent: 2838046 (1958-06-01), Butler
patent: 3209752 (1965-10-01), Bujan et al.
patent: 3211144 (1965-10-01), Nehring
patent: 3327709 (1967-06-01), Nehring et al.
patent: 3336924 (1967-08-01), Sarnoff et al.
patent: 3342326 (1967-09-01), Zackheim
patent: 3509879 (1970-05-01), Bathish et al.
patent: 3788374 (1974-01-01), Saijo

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