It was reported that in the catheter room the iab was inserted via a sheath in the patients left femoral artery.The doctor stated, that one bottle of helium was finished in one day and the consumption was too fast.The pump was exchanged off the patient.There was no reported patient death, injury or complications.Medical/surgical intervention was not required.The length of time prior to this event was 6 hours.The pump was sent to be looked at.The engineer decided to return this machine to company for detailed inspections.He connected alternating current to iabp machine.The machine showed helium pressure was 422psi.Then he turned down the helium adaptor knob, the pressure was decreased slowly.It was indicated that the machine had an internal leak.The engineer inspected reducing valve and tested again, at this time, the pressure was 420psi.When he clamped valve pipeline and turned down the knob the pressure was still decreased.The reducing valve had internal leak.He replaced it with a new reducing valve and leakage was not found.
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