Scireq flexivent, User Manual, Page: 25 / 86

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1.4.8 APPLYING PEEP
Positive end expiratory pressure, or PEEP, is applied to subjects being mechanically ventilated
to prevent airway closure. One method for applying PEEP is to submerge expiratory tubing into
a column or beaker of water; this method is used in earlier generation
flexiVent instruments. To
adjust the PEEP applied using a water column, the level to which the tubing is submerged is
adjusted. In the
flexiVent
FX, the valves within the module are specifically selected to allow for
computer-controlled PEEP, thereby eliminating the need to use the historical water column
method. The level of PEEP applied may be adjusted in the ventilation pattern dialogue in the
software and may be easily adjusted.
1.4.9 INTEGRATING OTHER ACCESSORIES
The flexiVent FX is highly configurable and may be integrated with other devices, including UNIT
transducers, SCIREQ product extensions geared toward particular measurements (e.g. SCIREQ
NPFE hardware extension), and third party devices (e.g. Micro-CT scanner for gated image
acquisition). The integration may require customized adapters and/or data files for full
functionality. For questions regarding integration with a particular accessory, contact SCIREQ
Technical Support or refer to user instructions provided with your additional hardware. Please
note that only accessories approved and recommended by SCIREQ Technical support should be
used in conjunction with the
flexiVent FX.