6 Transesophageal Transducer
6 - 36 Instructions for Use
Preventive Measure Problem
Potential Harm to
Patient/Potential Damage
Do not use the transesophageal transducer
if a patient has esophageal varices or
masses or strictures are present.
Esophageal Varices Excessive bleeding
Do not use the transesophageal transducer
for any procedure requiring hyperextension
Improper patient position Paralysis of the vocal cord
Be aware that a patient with a loose tooth
could lose the tooth in a TEE procedure.
Improper assessment of
dental risk
Tooth loss
Use a bite guard.
No dental protection,
Dental damage, electrical damage
Follow the bite guard manufacturer's
instructions to clean, disinfect and rinse the
bite guard if you use a reusable bite guard.
Refer to the disinfectant manufacturer's
instructions for guidance on proper rinsing of
the disinfectant from the transesophageal
Disinfectant residue on the
bite guard and
transesophageal transducer
Burns in the mouth and esophagus
Never use Steam Heat or Ethylene Oxide for
disinfecting the transesophageal transducer.
Do not use any disinfectants other than
those specified.
Do not use iodine or solutions containing
iodine for cleaning or disinfecting the
transesophageal transducer.
Improper cleaning resulting
in electrical damage
Esophageal burns
Immerse the transesophageal transducer no
longer than the time required by the
manufacturer for high-level disinfection.
Never immerse transducer controls or the
system connector in liquids.
Improper disinfection,
exposing electrical workings
to liquids
Nosocomial infection, electrical damage
affecting image quality, electrical safety, or
mechanical operation
Do not force distal tip articulation. Always
use the controls to alter articulation.
Forcing the
deflection control
Stretching or breaking deflection controls
When the transesophageal transducer is not
in use, store it in the original case or
suspend it from a wall rack. Do not store the
transducer in a tight coil.
Improper storage
Damage to array elements, cuts and
abrasions to the flexible shaft