On this page
Asset Type
Manufacturer
Model
What This Guide Helps With
Troubleshooting helium leak alarms, poor balloon augmentation, low assist pressure, or reduced IABP performance from external causes.
Step-by-Step Troubleshooting
Ensure Patient Safety First
Confirm the patient is clinically stable and not dependent on an unresolved IABP fault during troubleshooting.
If helium leak alarms, poor augmentation, or inconsistent assist occurs during active therapy, notify clinical staff immediately and have them assess the patient and therapy need.
Expected outcome: Patient support is maintained safely before equipment checks begin.
If the patient cannot safely remain on the suspect pump, transfer therapy to another verified IABP system per clinical protocol and remove the affected unit from use.
Confirm the Reported Issue
Review the reported symptom on the Datascope CS100 / CS100i:
- Helium leak alarm
- Loss of helium pressure
- Poor augmentation
- Low diastolic augmentation
- Weak assist waveform
- Repeated fill or gas-related alarms
- Balloon not inflating consistently
Expected outcome: The exact complaint is verified before parts are swapped or the device is removed.
Check the Helium Cylinder Supply
Verify that the helium cylinder is installed, open, seated correctly, and has adequate pressure.
Confirm the cylinder is the correct type for the pump and is not empty or near empty.
Expected outcome: The pump has a valid helium source available.
If the cylinder is empty or low, replace it with a full approved cylinder, retest operation, and stop if the issue is resolved.
Inspect the Helium Cylinder Connection
Check the cylinder connection for looseness, cross-threading, damaged sealing surfaces, or signs that the cylinder is not fully seated.
Listen for audible gas leakage at the cylinder connection area.
Expected outcome: No hissing, loose fitting, or visible connection problem is found.
If tightening or reseating the cylinder resolves the alarm or poor augmentation, document the correction and perform normal operational checks before returning the pump to service.
Inspect the Balloon Catheter Tubing Path
Trace the IAB catheter tubing from the patient connection to the pump connection without disturbing patient care.
Look for kinks, crushed tubing, loose connections, partially disconnected fittings, moisture, blood, or damaged tubing.
Expected outcome: The tubing path is clear, intact, and fully connected.
If a kinked or loose external connection is found and corrected by qualified clinical staff, verify that augmentation returns to expected performance.
Check the Catheter Connection at the Pump
Confirm the catheter tubing is connected securely to the pump’s pneumatic connection.
Check for incomplete engagement, damaged connector threads, loose fittings, or contamination at the connection point.
Expected outcome: The catheter connection is secure and free of obvious damage.
If the connection was loose and reseating resolves the leak alarm or weak augmentation, stop and document the finding.
Verify Balloon Size and Setup Information
Confirm that the balloon size and setup selections match the patient’s IAB catheter and clinical configuration.
Incorrect setup information may affect inflation behavior and augmentation quality.
Expected outcome: Pump setup matches the catheter and therapy configuration.
If setup was incorrect, have qualified staff correct the setting, reassess augmentation, and document the correction.
Review Trigger Source and Timing
Poor augmentation may be caused by timing or trigger instability rather than a helium leak.
Verify that ECG or arterial pressure triggering is stable and that inflation and deflation timing are clinically appropriate.
Expected outcome: Triggering is stable and IAB inflation occurs at the proper point in the cardiac cycle.
If augmentation improves after clinical timing or trigger correction, the issue was not primarily a helium supply fault.
Check for Patient or Physiologic Causes
Confirm with clinical staff whether poor augmentation may be related to patient condition rather than pump failure.
Low blood pressure, arrhythmias, tachycardia, poor arterial waveform quality, catheter position concerns, or low vascular compliance may reduce augmentation.
Expected outcome: Equipment-related causes are separated from patient-related causes.
If the pump operates normally but augmentation remains poor, clinical evaluation of catheter position and patient condition is required.
Inspect for External Damage or Contamination
Inspect the pump exterior, pneumatic connection area, helium compartment, and catheter connection points for signs of impact, fluid intrusion, residue, or damaged fittings.
Expected outcome: No external damage or contamination is present.
If fluid intrusion, damaged connectors, or impact damage is found, remove the pump from service.
Power Cycle Only When Safe and Appropriate
If the pump is not connected to an active patient and clinical staff approve, restart the device and observe whether the helium leak or gas-related alarm returns during startup or test operation.
Expected outcome: The device completes startup without recurring helium or pneumatic faults.
If the alarm returns with no patient connected and a verified helium supply installed, suspect an internal pneumatic or gas system fault.
Test with Known Good External Components When Available
On the bench or when not connected to a patient, test the pump using known good external accessories, cylinder, and approved test setup.
Do not perform internal pneumatic disassembly during basic troubleshooting.
Expected outcome: The pump either operates normally with known good external components or repeats the fault.
If the fault follows the external component, replace that component. If the fault stays with the pump, escalate for repair.
If the Problem Persists
If helium supply, cylinder connection, catheter connection, tubing path, setup, trigger quality, and obvious external issues have been ruled out, the issue is likely internal to the pneumatic, helium management, valve, sensor, or control system.
The Datascope CS100 / CS100i should be:
- Removed from service
- Labeled Out of Service
- Sent for repair or bench evaluation
Do not continue troubleshooting at the bedside once common external causes have been ruled out. Knowing when to stop is proper troubleshooting, especially with a life-support device.
Clinical Use Tip
Do not troubleshoot a helium leak or poor augmentation condition on an active patient unless patient safety is protected first. If therapy is unstable, move the patient to another verified IABP or alternate support plan before continuing equipment evaluation.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Clinical staff reported a Datascope CS100i IABP was alarming for helium leak and providing weak augmentation during use."
Cause
What was observed during troubleshooting.
Example:
"Inspection found the helium cylinder was near empty and the cylinder connection required reseating before stable pressure was restored."
Resolution
What action was taken.
Example:
"Replaced the helium cylinder, reseated the connection, verified stable operation, and returned the pump to service after functional checks."
Helpful Details to Include (If Known)
- Outlet tested if power concerns were also reported
- Helium cylinder pressure/status
- Cylinder replaced or reseated
- Catheter tubing checked for kinks or loose fittings
- Pump connection inspected
- Alarm wording observed
- Assist ratio and trigger source at time of complaint
- ECG or arterial pressure trigger stability
- Augmentation waveform behavior
- Any audible hissing or gas smell
- External damage, fluid intrusion, or contamination
- Whether issue occurred on patient or during bench test
- Final device status
Final Thought
Helium leak and poor augmentation complaints should be handled carefully because they may affect therapy delivery. Start with patient safety, then verify the helium supply, external connections, tubing path, setup, trigger stability, and obvious damage. If those checks do not identify the cause, remove the pump from service and escalate for repair. Clear CCR documentation protects the patient, the technician, and the service history.
That is successful troubleshooting.