installing disposableschapter 6 6-1PB
This chapter explains how to place the sensors and hematocrit/saturation cuvette
into the extracorporeal circuit.
Preparing to install sensors
You need the following items: the Terumo Cardiovascular Systems (Terumo) CDI
Shunt Sensor(s) you’re installing, Terumo CDI H/S Cuvette, and access to the bypass
circuit. For additional information, refer to disposable instructions for use.
Note: CDI Shunt Sensor can be used for either arterial or venous application.
Warning
• Once calibrated, do not remove and replace the sensor from the
cable-head prior to use. Removal and replacement could affect the
measurement accuracy of the system.
Caution
• Care should be taken to prevent BPM cable-heads from dropping onto
any hard surface or otherwise receiving severe shock. If a drop occurs,
the cable-head should be carefully inspected for any damage to the silver-
domed thermistor contact, the optical pathways, or the cable-head housing
surfaces. If the cable-head had a sensor installed and calibrated, you
should replace the sensor and repeat the calibration.
Installing the Shunt Bypass Line and CDI
H/S Cuvette
If the Shunt Bypass Line and CDI H/S Cuvette are supplied in a single sterile pack-
age, remove them from the package and aseptically insert them into the extracorpore-
al circuit. If they are supplied as part of a tubing pack, this installation isn’t necessary.
Warning
• Aseptic technique must be used when inserting the CDI H/S Cuvette
and Shunt Bypass Line into the extracorporeal circuit to ensure that
the blood-contacting surfaces remain sterile.
• Use an arterial lter distal to the Shunt Bypass Line on the arterial side
of the circuit. This protects against introduction of air into the blood
circulation.
• The presence of air bubbles on the optical window of the CDI H/S
Cuvette can result in reduced measurement accuracy. Intermittent
bubbles, once moved from the optical window, will not affect the long-
term accuracy of the system.
• Avoid touching the optical surfaces of the CDI H/S Cuvette and the
optical CDI H/S Probe. Fingerprints on these surfaces can reduce the
accuracy of the system. If necessary, optical surfaces on the CDI H/S
Cuvette and CDI H/S Probe can be cleaned with a soft, lint free cloth.
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