CareFusion Alaris Imed Gemini PC1
CareFusion · Model Alaris Imed Gemini PC1
A single channel volumetric infusion pump and controller. The Imed Gemini PC-1 is a single-channel, linear peristaltic volumetric infusion device with ultrasonic air detection, which can be operated either as a controller or as a positive-pressure pump. Secondary (piggyback) medications can be automatically infused at rates and volumes independent of the primary infusion parameters, with automatic changeover to the primary at the conclusion of the secondary infusion. The PC-1 also has a 20-step program feature, called the VersaTaper mode, which allows stepped program of sequential rates and volumes for TPN or antibiotic infusion. The pump can be configured as a Micropump (rates from 0.1-99.9 ml/hr.) or as a Macro pump (1-999 ml/hr). An RS-232 port is included and allows the pump to serve either as the control or slave unit for computer monitoring.
Key tips
- ·Free-flow protection must be verified on every PM - a failed anti-free-flow clamp is a direct overdose risk.
- ·Test occlusion alarms in both directions - failing to alarm when it should is more dangerous than a false alarm.
- ·Battery run-time complaints are the most common real-world nuisance call - a full charge/discharge cycle test catches most of them.
Typical Failure Modes
Compiled for this model from its own documentation and established engineering knowledge for this equipment class - not from a verified service record. Confirm against the manufacturer's service manual.
Failure / error message stops delivery
HighSymptoms: The pump alarms and displays an error message / code and stops.
Root cause: A subsystem fault indexed in the service manual - motor / drive, a sensor, set-detection, or a board.
Occlusion alarm / pressure fault
MediumSymptoms: Repeated occlusion alarms, delivery stops, or an occlusion is missed.
Root cause: Kinked or clamped line, a closed roller clamp, a positional patient tube, pressure-sensor drift, or an improperly loaded set.
Air-in-line alarm
MediumSymptoms: Frequent air-in-line alarms, delivery stops.
Root cause: Air in the set, an improperly loaded set, or an ultrasonic air-detector fault.
Flow-rate accuracy drift
MediumSymptoms: Delivered volume outside tolerance on the annual test, especially at low rates.
Root cause: Worn pumping mechanism / plunger drive.
Battery will not hold charge
MediumSymptoms: Short run time, low-battery early after a full charge.
Root cause: Aged battery pack.
Door / plunger / sensor mechanical wear
LowSymptoms: Set will not load, door will not latch, plunger grip poor.
Root cause: Worn door latch, plunger jaws, or anti-free-flow mechanism.
Serviceable Parts & Consumables
Serviceable items for this model, compiled from its documentation and engineering knowledge for this equipment class. Service class and relative cost are estimates, not manufacturer figures; no part numbers are given. Confirm intervals and pricing against the manufacturer.
Battery pack
Class Periodic replacementRel. cost $$R&R Fairly easy
Pumping mechanism / rotor / plunger drive
Class Major service partRel. cost $$$R&R Difficult
Pressure / air-detector sensor assembly
Class Major service partRel. cost $$R&R Moderate
Door / latch / anti-free-flow assembly
Class Major service partRel. cost $$R&R Moderate
Drive motor / gearbox
Class Major service partRel. cost $$$R&R Difficult
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Battery pack | Periodic replacement | $$ | Fairly easy |
| Pumping mechanism / rotor / plunger drive | Major service part | $$$ | Difficult |
| Pressure / air-detector sensor assembly | Major service part | $$ | Moderate |
| Door / latch / anti-free-flow assembly | Major service part | $$ | Moderate |
| Drive motor / gearbox | Major service part | $$$ | Difficult |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
- ·Occlusion pressure and flow-rate accuracy verification
- ·Battery conditioning cycle
- ·Door latch and air-in-line sensor inspection
- ·Post-drop functional check before return to service
- ·Annual PM per manufacturer schedule
Troubleshooting Approach
A starting sequence for this model, compiled from its documentation and engineering knowledge for this equipment class. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Error message or code
- Note the exact error message / code.
- Look it up in the pump's technical service manual troubleshooting section.
- Use the biomed diagnostics / utilities to test the affected subsystem.
- Follow the manual's parts-replacement procedure.
- Run the scheduled-maintenance test set (including flow accuracy) after any repair.
Symptom: Occlusion or delivery problem
- Check the line for kinks, clamps and a closed roller clamp; check the patient site.
- Reload the set correctly, clearing all air.
- Confirm an approved set for this pump.
- Run the pressure / air-detector (or rotor) test in diagnostics.
- Replace the set; refer the pump if a sensor / mechanism fault is indicated.
Technical Specs
- KVO Rate
- 1 ml/h
- Weight
- 11.3 lbs
- Infusion Pump Type
- General-Purpose
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Patient care floors
- ICU
- OR
- Oncology / infusion centers
- Home health (portable pumps)
Documents & Manuals
Safety & Recalls
Synced live from the FDA openFDA API.
- RECALL
Complaints where users were unable to prime the administration set.
Related calculators
From BioLab, for work done with this kind of equipment.
Troubleshoot this device with Bio
Describe a symptom or error code. Bio answers from this device's own documented error codes, failure modes, parts, and guides.
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