Completing The Documentation; Scheduling A Pump Refill - Codman AS 10 Manual Del Usuario

Instructions for Use – Scheduling a Pump Refill
E. Completing the Documentation
Complete the patient passport.
Instructions for Use – 18
CODFR11091zz01svn.indd 18 CODFR11091zz01svn.indd 18

Scheduling a Pump Refill

CAUTION: At refill, the pump must contain at least 3 mL of fluid. When scheduling
the first refill, take into account the reservoir priming volume of approximately 1 mL.
The flow rate of the pump decreases rapidly as the volume in the reservoir decreases
below 3 mL. This can result in the potential loss of therapeutic effect or drug
withdrawal symptoms.
Note: The flow rate is affected by changes in altitude and/or temperature. Refer to the
diagrams in the user manual packaged with the ARCHIMEDES Pumps to determine the
significance of the change.
1.
Calculate the Refill Interval
In the equation below, the 3 mL subtracted from the reservoir capacity reflects the
amount of drug solution that must remain in the drug reservoir to ensure that the
flow rate remains constant.
Reservoir capacity – 3 mL = Refill Interval
Flow Rate
Example:
Reservoir capacity: 20 mL
Flow rate: 0.5 mL/24 h
20 mL – 3 mL
= 34 days [24 h]
0.5 mL/24 h
In this example, the patient must be scheduled to return within 34 days.
2. Schedule the refill appointment with your patient.
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