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HD11 XE Getting Started
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Intraoperative Transducers
Testing Leakage Current on Intraoperative Transducers
This section provides instructions for testing leakage currents on intraoperative
transducers.
NOTE
A technically qualified person should perform this procedure.
Leakage Current
Philips transducers approved for intraoperative use are labeled on the transducer
connector as type CF in accordance with the IEC 60601-1. Type CF classifica-
tion indicates that the degree of protection from electrical shock afforded by the
transducer is suitable for all patient applications including direct cardiac and intra-
operative applications.
Leakage Current Testing
Leakage current tests should be performed by a technically qualified person any
time that the transducer is dropped or if cracks or cuts are found on the trans-
ducer.
Normal leakage current testing frequency should be based on the procedures
established by the hospital for operating-room-based equipment.
NOTE
Attach the transducer to the ultrasound system and test with an appropriate
safety analyzer to ensure that IEC 60601-1 type CF leakage limits are not
exceeded.
Figure 12-3 tests the current leakage, using a Dynatech Nevada 232 Safety/ECG
Analyzer. This procedure shows one example of a current leakage test (source
and sink). The procedure for your safety analyzer may be very different.
Perform the following leakage current tests shown in Figure 12-3 and Figure 12-4.
Steps to perform the tests appear following the figures.
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