Roche CoaguChek XS System User Manual download pdf (Page 9)

Introduction

Sample type and volume

We initially compared fresh capillary whole blood and venous non-

anticoagulated samples for equivalence using the CoaguChek XS.

Fresh capillary whole blood was collected from a finger after puncture by a

lancet device. At least 10L of blood was applied to the sample application area

either by allowing the sample to drop directly onto the test area or by holding

the finger to the side of the sample application area (Figure 2).

Non-anticoagulated venous blood was collected into a syringe using 19 or 21

gauge needles with minimal stasis and the sample was then applied

immediately by dropping onto the test area.

Figure 2: Application of fingerprick blood sample

Report 06024: CoaguChek XS system

Figure 3: Image of test strip (front view)

Sample application

area

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Roche CoaguChek XS System User Manual Page 9