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Thin-walled section: tip of the catheter farthest from the device body that senses the
dynamic portion of the pressure wave. It is designed to be completely inserted into
the vessel or space where the desired pressure can be sensed. It contains
biocompatible gel at the very tip, which prevents the non-compressible fluid from
leaving the catheter and blood from clotting in the catheter tip (see Figure2).
Tip cover: removable section of silicone tubing that protects the catheter tip until it is
actually inserted into the desired vessel. Must be removed prior to catheter insertion.
Systemic blood pressure catheter: containing a radio-opaque ring encircling the
distal end of the systemic blood pressure catheter (This is the channel 2 catheter on
the
TS-
L21 PhysioTel®Digital Device.)
Left ventricular pressure catheter: containing a plastic suture collar near the tip, with
only the thin-walled section protruding beyond. The white suture collar will be
inserted until the suture groove is flush with the heart wall (see Figure 3).
It is important to be familiar with the catheter and its features. See the figure below for a
detailed diagram of each catheter.
Figure 2. The PhysioTel®Digital catheter
Figure 3. The Left Ventricular Catheter Tip With Collar
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