Urodynamic Catheters & Transducers Nexam Pro User Manual
71
3.6.5
Flushing and Zeroing Water Catheters
Water catheters and DT-XX pressure transducers need to be flushed and
zeroed before starting the investigation.
Figure 3.17
Flush and zero with syringe
The procedure is as follows:
▪
Catheters and transducers have been prepared as described in the
previous subparagraphs; the transducer holder is at symphysis pubis level.
▪
Connect the syringes filled with sterile water to the pressure transducers as
displayed in Figure 3.17 (optionally, the LABORIE flush set can be used).
▪
Push the blue flushing devices and flush the pressure transducers and
catheter lumens to expel all air bubbles.
▪
Release the flushing devices to stop flushing.
▪
Inspect the pressure transducers, catheter lumens and flow-reducer
visually for air bubbles. If necessary, you will need to flush them again.
▪
Turn all stopcock handles counterclockwise, the text
“OFF” pointed to the
catheter side.
▪
Press the
Zero
all
button to zero-balance all pressures to atmospheric
pressure.
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