초록 ▼

A blood bag is described which aids in maintaining the separation of blood components. This bag is constructed of a flexible plastic, has a conical top leading to an outlet line and internal septa to reduce swirling of the bag\s contents during rotor deceleration. The bag is adapted to be placed in

A blood bag is described which aids in maintaining the separation of blood components. This bag is constructed of a flexible plastic, has a conical top leading to an outlet line and internal septa to reduce swirling of the bag\s contents during rotor deceleration. The bag is adapted to be placed in a split sleeve prior to placement in the swinging bucket of a centrifuge rotor. A collar is placed over the top of the bag to aid in reducing wrinkles in the bag. Methods are described for reducing contamination of separated blood components by reducing bag wrinkles, reducing swirling of the blood fractions during rotor deceleration, and reducing mixing during expression.

대표청구항 ▼

In a sealed, flexible thermoplastic blood centrifugation container having side wall sections with laminate edge seals and a longitudinal axis, two different portions of said edge seals being generally parallel to said longitudinal axis, and a first tubular conduit means sealed between said wall sect

In a sealed, flexible thermoplastic blood centrifugation container having side wall sections with laminate edge seals and a longitudinal axis, two different portions of said edge seals being generally parallel to said longitudinal axis, and a first tubular conduit means sealed between said wall sections, communicating with the interior of said container and intersecting said longitudinal axis, the improvement wherein: said container includes a septum, defined by a first sheet of a flexible thermoplastic, having ends joined to opposite said side wall sections along laminate seals which are generally parallel to said longitudinal axis, said septum being positioned longitudinally only in the mid portion of said container in the region of said different portions with the top of said septum extending to a point just above the separation line that occurs when blood is separated into plasma on the one hand and packed cells and a buffy coat on the other.