1
. Precautions5
1. Precautions
1.1 Overview
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This manual describes how to use the electrosurgical unit (Model: DT-400S/300S) manufactured
by DAIWHA Corporation, and its technical specifications.
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Repair or circuit alteration of this equipment can only be carried out by personnel authorized by
DAIWHA. The warranty shall not apply to defects or damage caused by repairs or disassembly by
anyone other than personnel authorized by DAIWHA, and safety shall not be assured.
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Parts or circuits which are used for this equipment can be replaced to improve the safety and
performance of this equipment.
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Read this manual carefully before using the electrosurgical unit, and understand its functions and
how to use it for safe use.
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Contact DAIWHA if you have any questions regarding the equipment or the User Manual.
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As the medical equipment, this product can be used only trained doctors.
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When the patient contacts grounded electric conductors such as the metal part of the grounded
operation table during the output, it may burn or shock the contacted body part.
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Since it operates on high frequency and high voltage, electromagnetic waves are generated
naturally. This might affect other equipment such as distorting an ECG monitor screen in a
negative way. When HF SURGICAL EQUIPMENT and physiological monitoring equipment (for
example ECG monitor) are used simultaneously on the same PATIENT. The grounding of ECG
should be placed through neutral plate in case that the units are using the same ground earth.Any
monitoring electrodes should be placed as far as possible from the surgical electrodes (Minimum
distance 150mm). Needle monitoring electrodes are not recommended.
The lead of Radio-Frequency electrode is the shorter is the better not to make loops between other
leads. For this reason Using device that apply to EMC(Electro-magnetic Compatibility) is strongly
recommended.
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Set the output to the lowest level which can achieve the desired operation effect, and then
gradually increase the output volume to the desired level.
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Prior to use, check the equipment-whether it has a problem.
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Power voltage and frequency must be supplied in a stable manner within the designated range on
product rear side. However, the output may vary depending on power. If the wall outlet voltage in
the hospital exceed the designated range by ± 5%, the equipment should be calibrated again by
manufacturer or supplier.
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If the power frequency in the hospital different from the designated range, the equipment should be
calibrated again, too. Please refer to product label on the back for exact power usage.
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Considering its cooling feature, continuous output can result in abnormal operation of the product.
Be sure duty cycle.
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A short circuit that might occur between electrodes during activating output will damage the
product.
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The Failure of the HF SURGICAL EQUIPMENT could result in unintended increase of output
power.
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Do not reuse disposable accessories.
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All accessories has to be always keep disinfected when you use, especially metal parts which is
contacting with the patient's body
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This manual is only applicable to pumps with Program Version v1.xx or above.
Summary of Contents for Meditom DT-400S
Page 29: ...5 Connecting Accessories with the unit29 5 3 Bipolar Forceps 5 4 Foot switches ...
Page 40: ...9 Load Regulation Vpeak Graphs40 9 1 2Open Circuit Peak Voltage ...
Page 41: ...9 Load Regulation Vpeak Graphs41 9 2 Blend1 Cutting Mode 9 2 1Load Regulation DT 400S DT 300S ...
Page 42: ...9 Load Regulation Vpeak Graphs42 9 2 2Open Circuit Peak Voltage ...
Page 43: ...9 Load Regulation Vpeak Graphs43 9 3 Blend2 Cutting Mode 9 3 1Load Regulation DT 400S DT 300S ...
Page 44: ...9 Load Regulation Vpeak Graphs44 9 3 2Open Circuit Peak Voltage ...
Page 45: ...9 Load Regulation Vpeak Graphs45 9 4 Blend3 Cutting Mode 9 4 1Load Regulation DT 400S DT 300S ...
Page 46: ...9 Load Regulation Vpeak Graphs46 9 4 2Open Circuit Peak Voltage ...
Page 48: ...9 Load Regulation Vpeak Graphs48 9 5 2Open Circuit Peak Voltage ...