This lsr was returned to lmas and it passed all inspections and functional tests and meets all specifications.An over pressure condition could be created if oxygen was connected to the lsr and it had the old style of lsr intake valve (pre 2003); no external lsr reservoir valve was connected; and the 23 mm od lsr intake port then blocked/occluded.This over pressure condition could be relieved by delivering one, or more, lsr ventilations or opening/venting the bag/airway conduit.The lsr dfu recommends using the lsr reservoir valve and oxygen reservoir to deliver higher oxygen concentrations.The lsr oxygen reservoir will not connect to the lsr without the reservoir valve.With the lsr reservoir valve connected this condition could not have occurred.The current lsr configuration (since 2003) is not susceptible to this unusual user error.Unusual occurrence.We have little detail of user's equipment configurations during this event.
|