Tips for buying Insulin Pump

  1. These units are used to deliver parenteral agents from syringes or collapsible bags. Their size should be small enough so that patients would comfortably wear or carry them. During sleep they should not disturb the patient, and during daily use they should not be conspicuous.
  2. Facilities should carefully select patients to ensure successful insulin infusion therapy. The patients should be motivated and mature with a history of good compliance with insulin therapy.
  3. All pumps should be able to run for at least 72 hours without draining the reservoir or depleting the batteries. Pumps should have a flow range of <=0.5 to >=100 mL/hr and maintain a flow accuracy of 5%. Ambulatory pumps should be capable of operating in a continuous infusion mode, though it is desirable for pumps to offer additional modes.
  4. Luer-lock fittings or integral tubing, distal air filters, and air in line detectors may be used as protection methods against air embolism in ambulatory infusion and ambulatory insulin pumps that can deliver from an external reservoir.
  5. Pumps should detect an upstream occlusion and suspend infusion when downstream pressure is >=10 psi. The bolus volume released after an occlusion is cleared should be 0.5 mL.
  6. Free flow protection should be part of any ambulatory and ambulatory insulin infusion pumps. Audible alarms should sound for all conditions that might interrupt infusion, including high pressure/occlusion, low or depleted battery, reservoir-side obstruction, pump malfunction, air in line, and empty or near empty reservoir.
  7. Alarm volume should be adjustable with settings loud enough for critical alarms and soft enough for social situations. The pumps should have data logs that can store up to 200 events including volume delivered, program settings, error codes, alarms, and rate.
  8. Display screens in ambulatory insulin infusion pumps should be clear and easy to read and should indicate time, basal rate, bolus dose, and accumulated dose.
  9. All ambulatory insulin infusion pumps offered should be able to deliver basal flows of 5 to 100 U/day with a resolution of 2 U/day. The recommended ones are those with a bolus dose range of <=0.5 to >=25 U/bolus with a resolution of <=0.5 units.
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