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Apparatus and method for patients from a single donor or a restricted group of donors

  • US 4,994,039 A
  • Filed: 02/06/1987
  • Issued: 02/19/1991
  • Est. Priority Date: 11/15/1985
  • Status: Expired due to Fees
First Claim
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1. A donor exposure limiting apparatus for providing multiple transfusions of blood to premature infants comprising:

  • a sterile, deformable primary reservoir having an inlet for admitting a first predetermined quantity of blood being substantially less than an adult-size donation of about 450 ml to about 550 ml from the donor into said primary reservoir;

    collecting means for collecting said first predetermined quantity of blood from the donor and for conducting the blood to said inlet;

    sterilely sealable outlets for releasing blood from said primary reservoir;

    selectively releasable closures for preventing the release of blood from said reservoir through said outlets;

    a plurality of sterile, deformable satellite administering reservoirs for receiving a second predetermined quantity of blood substantially corresponding to the infusion requirements of the premature infant from said primary reservoir and providing said second quantity to the infant, each of said satellite reservoirs having inlet means for selectively receiving said second predetermined quantity of blood from said primary reservoir, each of said satellite reservoirs having graduations thereon for visually indicating said second quantity received by said satellite reservoirs and outlet means for administering said second predetermined quantity of blood therefrom to the infant, at least one of said satellite reservoirs having top outlet means for releasing blood plasma, bottom outlet means for releasing red blood cells and a central portion between said top and bottom outlet means for containing white blood cells, whereby the blood plasma and the red blood cells are separable from the white blood cells in said at least one satellite reservoirsaid primary reservoir having a capacity of about 150 ml and each of said satellite reservoirs having a capacity of about 40 ml, said first predetermined quantity being about 150 ml and said second preselected quantity being from about 10 ml to about 30 ml.

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