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Transducer is a device, used for the purpose of di-
agnosing the human body, which visually represents
the internal geometry, characteristics and dynamics of
the human body, and transmits / receives ultrasound
waves to obtain image data of the visual representa-
tion. It is also called "Scan head".
The transducer, brought into contact with the body
surface, is mainly used for such studies as ultrasound
imaging study and Doppler ultrasound study (acquisi-
tion of blood ow information).
8.1.1 Safety Precautions &
Warnings for Transducer
DANGER
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•
Do not use the transducer in places where inflam-
mable gas or high-concentration oxygen gas is gen-
erated
. Ignition, explosion, or combustion may occur.
• Do not use it for an eyeball. It is not designed to be
applied to an eyeball.
• Do not use it together with a debrillator. Doing so
may cause performance degradation or failure of
the system.
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8.1 Transducer
WARNING
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• Prevent blood, body uid, etc. from directly adher-
ing to the transducer. Adhesion of them may cause
infection.
– When blood, body fluid, etc. may adhere to the
transducer, use a transducer cover.
– Wear sterilized protective gloves before using the
transducer.
– Because the transducer cannot be sterilized, use
the sterilized transducer cover.
– If you are using transducer covers, do not use
covers that are coated with silicon oil.
– When using the transducer on a patient who is
hypersensitive to natural rubber, use a transducer
cover that does not contain natural rubber. Some
transducer covers contain natural rubber. Although
rare, natural rubber can cause allergic reactions
such itchiness, redness, rash, swelling, fever,
breathing difficulties, drop in blood pressure, and
even shock. If any of these symptoms occur, stop
using the transducer immediately, and implement
appropriate measures.
– Replace the transducer cover after each
examination.
– Be sure to comply with the prescribed conditions
for the chemical solutions. Otherwise, there is a
risk of infection due to insufficient cleaning and
disinfection.
• Do not make an impact on the transducer. Doing
so may cause an electric shock.
• Do not make a strong impact on the transducer,
push it to a hard thing forcibly, or drop it. Also do
not forcibly bend, pull, or twist its cable.
• Do not pour a liquid on its connector. Doing so may
cause an electric shock, a short-circuit, a re, or a
breakdown.
•
Do not use the transducer when it is broken or dam-
aged
. Doing so may cause an electric shock or injury.
– Before and after an examination, check that the
transducer has no abnormality, such as a scratch
and a crack.
• Do not disassemble, repair, or modify the trans-
ducer. Doing so may cause an electric shock.
– To perform repair, special techniques are required.
Contact your service representative.
• Do not expose the transducer to uids that contain
organic solvents (excluding, however, the cleaners
and disinfectants described in this manual).
Doing so may damage it. There is also a risk of
electric shock.
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