TEE Transducers
HD11 XE Getting Started
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The knobs can be controlled by a detent brake that holds the tip position without
locking it in place. This allows the tip to straighten if it meets additional resistance.
• When the detent brake actuator is turned counterclockwise, (as shown) both
knobs are in the freewheeling mode.
• When the detent brake actuator is centered, the small knob (medial/lateral
movement) is in the detent mode.
• When the actuator is turned clockwise, both knobs are in the detent mode.
During insertion, engage medial/lateral detent to limit movement
1
or use free-
wheeling mode (no deflection and no brake resistance)
2
to prevent patient injury.
CAUTION
When repositioning or withdrawing a TEE transducer, put the controls in free-
wheeling mode. If the transducer is left in the patient for an extended period,
unplug the transducer from the system to reduce the possibility of leakage cur-
rent or ESU interaction. Also make sure the transducer is in freewheeling mode.
Rotating the OmniPlane Array
You can rotate the OmniPlane array to achieve a 360-degree view of the heart.
Use the array rotation buttons on the transducer handle, as follows:
• To increase rotation, press the array rotation button that is distal to the sys-
tem.
• To decrease rotation, press the button that is proximal to the system. Rota-
tion stops when you release either button.
An icon shows the current degree of rotation. Depending on image orientation,
the icon appears in the upper or lower right side of the display. Because the cen-
ter of the array is the pivot point, you can achieve a 360-degree view, as shown in
Figure 10-5.
1. Radwin, Martin et al. “Transesophageal Echocardiography: Intubation Techniques.” Philips Appli-
cation Note 5091-2804E, 1992.
2. Urbanowitz, John H. et al. “Transesophageal Echocardiography and its Potential for Esoph-
ageal Damage.” Anesthesiology, Vol. 72, No. 1, 1990.
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