Patent ID: 7566315
Filing Date: 2009-07-28
Classification: A61B,A61M

Abstract:
1. A blood component collection apparatus for separating blood from a donor so as to collect a predetermined blood component, comprising: a blood collection needle for collecting blood from a donor; a blood separator for separating said predetermined blood component from said blood collected by said blood collection needle; a blood component collecting bag for collecting said predetermined blood component separated by said blood separator, a blood line connecting said blood collection needle and an inflow port of said blood separator, said blood line being provided with a first branched portion and a second branched portion between said blood collection needle and said first branched portion, an initial flow collecting line branched from the second branched portion to collect an initial flow of said blood collected from said donor, and an anticoagulant feeding line branched from the first branched portion to feed an anticoagulant; supply means for adding said anticoagulant to said blood collected by said blood collection needle; an air containing space intermediately present between said anticoagulant and said blood in a passage of said blood line after both a priming operation is performed in which said anticoagulant is supplied from said anticoagulant feeding line toward a blood separator side of said blood line through said first branched portion by operating said supply means and an initial flow collecting operation is performed in which said initial flow of said blood is supplied to said initial flow collecting line; and an initial flow collecting bag provided in said initial flow collecting line so as to reserve said initial flow of said blood, wherein the length of a portion of said blood line between said first branched portion and said second branched portion is smaller than the length of a portion of said initial flow collecting line between said second branched portion and said initial flow collecting bag.