DEVICE DESCRIPTION

Crono 50 is an ambulatory infusion pump for pain treatment on patients in hospitals or undergoing a treatment at home; it appears to be an innovative device thanks to its small size and its 50 ml réservoir.

Crono 50 is suitable for subcutaneous, intra-venous, epidural infusions allowing three different administration modalities:

• Continuous
• Bolus dose upon request (PCA)
• Combined (continuous + PCA)

The pump is provided with key-pad lock-out in order to avoid wrong or non authorised administrations of the drug.


The liquid crystal display (LCD) shows the information which are helpful both for the doctor and the patient concerning programming, functioning and diagnostics of the pump.

TECHNICAL FEATURES

· Pump size: 84,5 x 55 x 42 mm.
· Weight: 140 g (battery included).
· Battery: 123A 3V Lithium battery (lasting around 3-4 months/80-100 infusions).
· Réservoir: Dedicated with 50 ml capacity.
· Volume Administration: Programmable from 20 ml to 50 ml at 5 ml steps.
· Priming: Available only at the beginning of infusion. The maximum volume deliverable is 5 ml in 0,5 ml steps.
· Flow: Selectable from 0.05 to 35 ml/h with the following steps:
- From 0.05 to 1.00 ml/h with 0.01 ml/h steps;
- From 1.00 to 3.00 ml/h with 0.02 ml/h steps;
- From 3.00 to 5.00 ml/h with 0.05 ml/h steps;
- From 5.00 to 10.00 ml/h with 0.10 ml/h steps;
- From 10.00 to 35.00 ml/h with 1.00 ml/h steps;
- It is possible to exclude the flow function.
· Bolus dose: Selectable from 0.10 to 5.00 ml with the following steps:
- From 0.10 to 1.00 ml with 0.02 ml steps;
- From 1.00 to 5.00 ml with 0.5 ml steps;
- It is possible to exclude the bolus dose function.
· Minimum interval between bolus doses: Selectable from 5' to 24 hours at the following steps:
-From 5' to 1 hour at 5' steps
-From 1 h to 10 h at 30' steps
-From 10 h to 24 h at 1 h steps
-It is possible to exclude the function to allow the delivery of bolus doses without limits.
· Number of daily bolus doses: Selectable from 1 to 24 bolus doses in 24 hours
-It is possible to exclude the function to allow the delivery of bolus doses without limits.
· Memorization: The selected values are automatically inserted into a memory which can store them even when the device is left without battery.
· Accuracy: +/- 3%.
· Available occlusion pressure: 2,2 bar +/-0,5.
· Motor: DC coreless motor microprocessor controlled, equipped with optical encoder.
· Safety circuits:
To monitor the correct working of the device intervening in case of anomalies with acoustic warnings and error messages.
· Anti free-flow system: To avoid a non controlled flow inside the delivery set due to the action of the force of gravity.
· Equipment: Fabric holder, elastic belt, collar strap, two batteries, battery tool, user guide.
· Warranty: lasting two years from manufacture defects.

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