Glossary of Terms

Bidirectional

Bidirectional communication means that there is two-way communication from the Interrliner to the HOST (sample requests and results) and from the HOST to the Interrliner (confirmation or denial of sample requests).

Citrate mode

Citrate mode is used for pre-diluted samples collected in tubes with sodium citrate anticoagulant-diluent. The samples are not diluted on the Interrliner during aspiration.
The concentration of sodium citrate within the diluent solution in the tube should be 3.2%. This is not to be confused with the required dilution rate of blood and diluent.
For example, in a citrate tube with a total draw volume of 1.6 ml (= 5 volumes), the amount of pre-filled diluent must be 0.32 ml (= 1 volume). If this information is not provided by the tube manufacturer, it should be checked by the customer.

EDTA mode

EDTA mode is used for undiluted samples collected in tubes with EDTA anticoagulant. The samples are automatically diluted on the Interrliner during aspiration.
The usual amount of EDTA in sample tubes is 1.8 mg per 1 ml blood. 1 ml of blood weighs ca. 1060 mg and the concentration of EDTA is therefore 0.17% and well within the requirements for the EDTA mode on this instrument.

ESR

ESR is short for Erythrocyte Sedimentation Rate. It is the amount of sedimentation (setting) of erythrocytes (red blood cells) in a blood column during a specified time.

Hazy

A sedimentation is reported to be "hazy", when the boundary between blood plasma and erythrocytes can not be defined clearly.

Host

In this manual, the term HOST is used to indicate the computer system and associated software (LIMS) that provides the sample management for the laboratory.

IVD

IVD is short for In Vitro Diagnostic. This kind of diagnostic is performed on biological samples in a test tube, or more generally in a controlled environment outside a living organism. In vitro means in glass in Latin.

MRN

MRN is short for Master Registration Number. It is used as an identification number for any manual for Mechatronics products.

MSDS

MSDS is short for Material Safety Data Sheet. In this type of MSDS all kind of important data can be found on reagents.

Temperature correction

The sedimentation of blood cells is a temperature dependent process. To achieve comparable results, temperature correction should always be used. The ESR results are then corrected to the value they would have been at the standard temperature of 18.3°C.

Unidirectional

Unidirectional communication means that there is only one-way communication from the Interrliner to the HOST. Only sample results and result related messages are send.

WI

WI is short for Work Instruction and is used with an index number for a range of work instructions.