User guide
28
MAN 01/EN/01 CRONO S-PID 50 02/13
POST-OCCLUSION BOLUS
The occlusion alarm is given when the pump detects excessive back pressure
in the infusion line. This back pressure must be removed without accidentally
releasing a post-occlusion bolus, which could cause serious harm to the patient.
The volume of a CRONO S-PID 50 post-occlusion bolus, considering only the
combined volume of the pump and the-reservoir is about 1.8 ml.
• The volume of the bolus released after an occlusion can vary, depending
on the type of catheter, the infusion set and all the other components that
comprise the infusion line.
• Another element that could affect the volume of the released bolus after an
occlusion is the presence of any air in the system.
• After the occlusion alarm is given, disconnect the infusion set from the patient
to avoid a post-occlusion bolus being administered to the patient.
WARNINGS
SECTION 7
INFUSION SET OCCLUSION
The pump is designed to recognize when the administration
of a pharmaceutical has been interrupted by external means,
such as, for example, the kinking of the infusion set tube
and consequent occlusion. In these circumstances, the
pump stops the infusion: the display indicates that there is
an occlusion, accompanied by a brief acoustic signal. The
pump then continues beeping every 10 seconds. While the
system is still occluded, the drug is not administered: to
recommence the infusion, press the
button, after having
removed the cause of the occlusion.
• The cause of the occlusion is to be found along the infusion line and at the
point of injection.
• To avoid or reduce the incidence of occlusions, you are advised to use an
infusion set with anti-kinking tubes.
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