Cutter Laboratories, Inc.

Willis L Warner

Edward J Nelson

John L Lundblad

Peter M Fernandes

Wendell R Parker

Mark H Silverman

A plastic bag containing a platelet concentrate is disclosed wherein the viability of platelets remains at a high level even after storage at 22.degree. C. for up to five days. The bag in which the platelet concentrate is stored comprises walls of polyvinyl chloride film containing tri 2-ethylhexyl trimellitate as plasticizer together with epoxidized vegetable oils for heat stabilization of the film. The film may also contain metal soaps in preferred formulations.

Container for platelet storage

An improvement in a fluid flow valve is disclosed. The valve comprises a combination of flexible tubing joined to a tubular member having a membrane closing off the passageway in the tubular member. A pointed spike having at least three radially projecting ribs extending longitudinally is located within the tubing adjacent the membrane and is movable by external manipulation of the tubing whereby the spike ruptures the membrane and creates a passageway permitting fluid to flow freely through the tubular member and adjoining tubing.

Fluid flow valve

Composition comprising an aqueous solution of immune serum globulin and maltose, the amount of maltose being sufficient to inhibit 'shedding' of the globulin with time.

Growing community of inventors

San Rafael, CA, United States of America

Willis L Warner