2-4 Describing the MCS+ Cabinet Components
P/N 85213-30, Manual revision: B
Pump assemblies Located on the left side of the MCS+ top deck are three pumps which use peri-
staltic movements to displace fluids through the disposable set tubing. Each
pump is designated by a color and will function at particular moments during the
apheresis procedure, as determined by the selected MCS+ protocol.
A pump assembly consists of a pump rotor, housed in a well containing the pump
motor. The outer pump housing is designed to secure the correlating pump mani-
fold of the disposable set. During installation of the disposable set, the MCS+ will
perform an autoload of the tubing onto the pumps.
Figure 2-3, MCS+ pump assemblies
Single-pump assembly: Anticoagulant (AC) pump
The AC pump, designated by the color blue, moves AC solution from the solution
bag up to the needle connector of the donor line tubing. The AC pump housing
is designed to secure the corresponding single-pump manifold of the disposable
set.
Dual-pump assembly: Blood pump and Transfer pump
The Blood pump, designated by the color red, moves fluids between the donor
and the disposable centrifuge bowl.
The Transfer pump, designated by the color white, can serve a variety of functions
during a collection procedure, depending on the selected MCS+ protocol. This
pump can be used to “transfer” fluids such as collected plasma, saline, or plate-
lets between the centrifuge bowl, collection bags or parts of disposable tubing.
These two pumps are grouped in a dual-pump housing, designed to hold the
disposable set pump manifold containing disposable set identification informa-
tion.
Dual-pump identification window
The information on the dual-pump manifold of each specific disposable will be
scanned by the optical sensors located under the identification window.
1. Single-pump housing
2. Dual-pump housing
3. Dual-pump
identification window
4. AC pump rotor
5. Transfer pump rotor
6. Blood pump rotor
1.
3.
2.
4.
5.
6.
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