The hospital reported they only have a few very old resuscitators that are used about 2-3 times per year.Based upon photos of the actual dis-assembled lsr involved in this event: this 2003 vintage lsr intake valve design was affected by a feb 2004 recall (2003-r-04, us fda z-517-4, market correction) where the intake valve and assembly (inner part w/ umbrella valve) was replaced by the current intake valve's inner part which uses a flat circular "ring" membrane intake valve.When expanding a stored collapsed lsr silicon bag with this old style inner part it was possible to contact and dislodge the umbrella intake valve - this is not possible on the current lsr inner part and membrane intake valve.This user was requested to dispose of all of their out-of-date lsr intake inner parts and replace then with current lsr intake valves.
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