Blood component separation method and apparatus

Abstract

An apparatus and method for collecting whole blood and then separating it into components for subsequent use or storage. A self-contained bag set is used to collect the sample, which may then be placed into a device adapted to fit into a centrifuge for separation of components. Each component is then sequentially extracted according to density, with a sensor present in the device to control the operation of valves directing the collection of each component. Each component may then be separated into its own storage container.

1 . A device for sequestering components from whole blood, comprising, in combination: 
 a bag set, said bag set including a first bag and plural other bags;    a bag set holder, whereupon said first bag is contained within an interior portion of said bag set holder, and said plural other bags located at an elevation lower than said holder; and    a centrifuge having at least two diametrically opposed receiving sockets, at least one said socket dimensioned to receive said bag set holder.    
     
     
         2 . A method for separating components from whole blood, the steps including: 
 preparing a blood processing bag set having a processing bag, at least one auxiliary bag, a sampling site adjacent said processing bag, and a sampling site adjacent each said auxiliary bag;    introducing whole blood into said processing bag;    sampling the whole blood for later analysis;    centrifuging the whole blood, wherein components are separated in said processing bag;    directing each component into said at least one auxiliary bag of said blood processing bag set;    removing a sample of each component for later analysis; and    storing each said component for later use.    
     
     
         3 . A bag set, comprising, in combination: 
 a first bag having an inlet and an outlet;    plural auxiliary bags, each said auxiliary bag having at least one port for admitting or expelling contents of said auxiliary bags;    conduit means leading from said first bag to each said auxiliary bag;    valve means on said conduit means, said valve means adjustable to allow selective access between said first bag and said plural auxiliary bags.    
     
     
         4 . The bag set of  claim 3  wherein said valve means allow selective access of said plural auxiliary bags with one another.