PHYSIO-CONTROL, INC LIFEPAK(R) 20 DEFIBRILLATOR/MONITOR; DC-DEFIBRILLATOR, LOW-ENERGY, (INCLUDING PADDLES)
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Model Number 20 |
Device Problem
Failure to Charge (1085)
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Patient Problem
No Patient Involvement (2645)
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Event Date 01/30/2014 |
Event Type
malfunction
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Event Description
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Physio-control examined the customer's device and observed that the unit would not charge, in order to defibrillate, when prompted.There was no patient use associated with the reported event.
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Manufacturer Narrative
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(b)(4).Physio-control examined the customers device and verified the reported failure.Physio replaced the therapy pcb assembly, energy storage capacitor and inductive resistor assembly.After observing proper device operation through functional and performance testing the device was returned to the customer for use.Physio further evaluated the removed therapy pcb assembly and determined that the cause of the reported failure was two shorted diodes, designators cr22 and cr23.It was also observed that the energy storage capacitor measured at 192uf, when it should be at/above 196uf; however, it did not contribute to the reported failure.The removed inductive resistor assembly tested ok.
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