(b)(4).Fisher & paykel healthcare (f&p) have requested for the return of the subject sleepstyle for evaluation.We will provide a follow-up report upon completion of our investigation.Our user instructions that accompany the f&p sleepstyle state the following: - "do not use if the device, power cord or accessories are damaged, deformed, or cracked." - "do not pull on the power cord as it may become damaged." - "turn the device off at the power supply, then remove the power cord from the rear of the device.".
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(b)(4).Method: the complaint sleepstyle cpap was received at fisher & paykel healthcare (f&p) in new zealand where it was visually inspected.Results: visual inspection of the sleepstyle cpap confirmed that the power socket had dislodged from its position.There were no exposed wires and the electric pins were intact and not damaged.The customer also reported that the subject device had been dropped.There was no reported patient use at the time of event.Conclusion: f&p could not determine a definitive root cause for the reported event.However, based on our knowledge of the product and investigation, possible contributing causes include excessive force applied to the device when it was dropped and a change in material strength due to material processing in the supplied power plug socket.Due to previous design changes, f&p no longer sources the plug sockets for the sleepstyle cpaps from the same supplier as the complaint sleepstyle cpap.Our user instructions that accompany the f&p sleepstyle state the following: "do not use if the device, power cord or accessories are damaged, deformed, or cracked." do not pull on the power cord as it may become damaged." "turn the device off at the power supply, then remove the power cord from the rear of the device." there have been no other similar failures from the lot number of the complaint sleepstyle cpap (lot: 2100929995).
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