The Centra W Cell Washer from Thermo Fisher Scientific is used for contamination-free blood-cell washing, or spinning any typical sample for up to 999 seconds.

According to Thermo Fisher Scientific, the anti-globulin procedure requires up to six drops of blood from the patient. 

“The unit will accommodate either twelve 12 x 75 mm tubes, or twelve 10 x 75 mm tubes,” according to Thermo Fisher Scientific.

“It is registered as a device in accordance with FDA regulations governing the distribution and use of such products. The unit incorporates a power entry module which permits you to select operation with 100, 120, 220, 230 or 240 VAC, 50Hz or 60 Hz power. The unit contains a microprocessor-controlled centrifuge and a peristaltic pump for dispensing saline solution”

The motor design features permanetly-sealed self-lubricating ball bearings with a motor shaft that projects through the center of the guard bowl. The motor shaft includes a solenoid plunger and a rotor. 

Tube agitation steps help to thoroughly mix the blood sample with antiglobulin reagents, as well as form dense red-cell buttons.

Applications include Rh testing, ABO compatibility, and Coombs procedure (direct antiglobulin test).

Steps are easy to monitor, and pause if necessary, using the digital LED display, push-button control pad. Alerts tell users when cycles are complete, or reagent levels are low.

Only saline is pumped in through tubes and used to wash the blood.

The Centra W Cell Washer has a decanting system that prevents cross-contamination of samples, plus ensures a dry RBC button.

The centrifuge is maintenance-free and is made of non-corroding, damage-resistant polypropylene with brushless motor.