Stryker SmartPump Rx, Инструкция по эксплуатации

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General Use Procedure 31
Real-time Pressure Management and Alarms
The SmartPump maintains real-time cuff pressure within its normal operating
parameters relative to the set target pressure automatically. Pressure variances are
typically detected and corrected to the target pressure instantaneously, within
two/tenths of a second.
Its pressure adjustment responses are sequenced to deliver optimal, progressive
pressure compensation without causing overpressure fluctuations, unnecessary -
frequent pressure adjustments or triggering false, transient pressure alarms. This
enhances overall cuff pressure maintenance, while addressing the unique pressure
dynamics associated with various size cuffs and their relatively low inflatable
volumes.
After initial cuff inflation, the SmartPump compensates for minor changes in cuff
pressure above or below the set target pressure automatically. Cuff pressure
changes, within normal operating parameters and pressure compensation
thresholds, may be caused by:
(a) Limb extension and contraction,
(b) Initial cuff conformity and tissue compression
(c) A leaking/damaged reusable cuff, leaking cuff O-ring, loose Luer connector,
or fill line leak.
Intraoperative limb manipulation may cause the cuff to induce a momentarily, minor
high and/or low-pressure fluctuation that the system detects and corrects
automatically.
A momentary decrease in limb volume, associated with extension motions may
cause the pneumatic system to sense low pressure, as the cuff’s compressible
target has become briefly ‘smaller.’ This type of minor, low-pressure activity is
corrected precisely by the SmartPump’s internal pressure reservoirs.
Momentary increases in pressure within the pneumatic circuit may also occur due to
external compression of the cuff during limb contraction, which temporarily causes
the limb to assume a ‘larger’ compressible volume. This type of momentary high-
pressure is managed automatically and adjusted to target pressure instantaneously.