Safety Notes

Glossary
117
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22 Glossary
Term Explanation
Transponder A RFID transponder is a wireless communication
and monitoring device that receives and auto-
matically responds to signals. The term transpon-
der is a mixture of "transmitter" and "responder."
Transponders can be active or passive.
RFID RFID (Radio Frequency Identification) is an auto-
mated identification process that makes it possi-
ble to detect objects without touching them and
to log or acquire and save data automatically.
A RFID system usually consists of a transponder
and a reading device. While the transponder
marks objects, the reading device makes it possi-
ble to read out data, which are then further pro-
cessed.
Wash function The Wash function briefly increases the pressure
and the nominal flow during the irrigation pro-
cess. The physician performing the surgery is
thus provided with a better field of sight and
improved visibility within the joint, for example.
Actual value The actual value is the measured value of a
parameter or unit.
Nominal value The nominal value is the specified or target value
to be reached or maintained.
Pressure sensor The pressure sensor measures the pressure
applied to the pressure membrane.
Pressure membrane The pressure membrane is located in the tube
retainer of a tube set and transfers the pressure
to the pressure sensor.
Day patient set The day patient set is a tube set for arthroscopy,
hysteroscopy, and urology and consists of a day
and patient tube. While the patient tube must be
replaced for each surgery, the day tube can
remain in the device for up to 24 hours.
EMC The electromagnetic compatibility describes the
ability of a device to function satisfactorily within
an electromagnetic environment without adding
unacceptable electromagnetic interferences/dis-
turbances to the environment that may cause
problems for other devices or equipment located
nearby.
ME device Medical electrical device used for therapy, moni-
toring or diagnosis of patients, equipped with no
more than one connection to a supply network
and which necessarily comes into physical or
electrical contact with the patient or which trans-
fers energy to or from the patient or which
records or captures such energy transfer to or
from the patient.
ME system Medical electrical system consisting of a combi-
nation of devices, of which at least one is classi-
fied as a medical electrical device and specified
by the manufacturer as such and which are
joined together by a functional connection or by
using a power strip.
Touchscreen A touchscreen (sometimes also spelled touch
screen) makes it possible to control a device
directly by touching its screen or display.
HF surgery High-frequency surgery uses high-frequency
alternating current conducted through the
human body to cut tissue or achieve coagulation.
Function test The function test must be carried out before each
surgery to ensure the respective device is fully
functional.
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