(b)(4).As the cassette was not returned and the lot number was unknown, a device analysis could not be completed.However, the home patient (hp) reported that a supply bag fell and disconnected which is a known cause of the alarm.Use error and proper user instructions are addressed in ¿the homechoice and homechoice pro apd systems patient at-home guide¿ which is shipped with every homechoice device.It instructs the user to place solution bags on a flat stable surface.Furthermore, it warns that falling bags can result in a disconnection which can lead to contamination.Should additional relevant information become available, a supplemental report will be submitted.
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