COLLECTION (PATENT PENDING)
· While Cord Blood (CB) collection by using
the common Blood Collection Bag, the collection is being performed by a needle which
is inserted into the cordial vein, enabling relatively slow gravitational flow
of the CB to the bag.
· The rather fast CB Coagulation process,
as well as the relatively slow collection process, prevents substantial portion
of the CB volume from being collected. That is the cause small units, more
precisely small Stem Cells number which are suitable only for Hematological
transplanting to children (The average collection of this method is 840 Million
Stem Cells per sample, enabling transplanting only for patients who weigh up to
· While using the common Collection Bag,
it is impossible to accelerate the CB flow, in order to prevent its Coagulation
prior to collection process conclusion, as opposed to the optional method of manually
“milking” the cord, a method that causes leakage of the CB between the needle
and the Cord Tissue, due to the internal pressure within the cordial vein.
· By using the SituGen’s
active collection bag, which includes a unique manual suction pump (Patent
Pending), the pump produces vacuum within the vein itself, and the vacuum accelerates
the CB flow via the needle only, (and not outside the needle), significantly
increasing the CB volume and quantity of collected Stem Cells.
· The Active CB Bag is also a partial
element (absolute 33%) of the SituGen CB collection system,
enabling average collection of 81% more Stem Cells, compared to the collection
using the common bag.
0.2 micron air filter
(less than any bacteria or fungus), enabling the CB collector controlling the blood
flow rate, as well as extraction of all the available CB volume from the tube during
the conclusion of the collection phase, and maintaining the collection fully aseptic
A unique Blood Pump
with no-return valve for one-directional flow, enabling the vacuum within the Umbilical
Cord and the Placenta, in order to accelerate collection, and freeing blood clots
which prevent free blood flow.
The pump enables
additional collection efficiency, around 33% absolute, included in the 81%
additional quantity of the SituGen collection kit.
Explanation of the biomechanics of the Active Collection