Precautions; Overview - Daiwha Meditom DT-400S User Manual

1.1 Overview

This manual describes how to use the electrosurgical unit (Model: DT-400S/300S) manufactured
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by DAIWHA Corporation, and its technical specifications.
Repair or circuit alteration of this equipment can only be carried out by personnel authorized by
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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.
Parts or circuits which are used for this equipment can be replaced to improve the safety and
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performance of this equipment.
Read this manual carefully before using the electrosurgical unit, and understand its functions and
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how to use it for safe use.
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
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operation table during the output, it may burn or shock the contacted body part.
Since it operates on high frequency and high voltage, electromagnetic waves are generated
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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.
Set the output to the lowest level which can achieve the desired operation effect, and then
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gradually increase the output volume to the desired level.
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
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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.
If the power frequency in the hospital different from the designated range, the equipment should be
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calibrated again, too. Please refer to product label on the back for exact power usage.
Considering its cooling feature, continuous output can result in abnormal operation of the product.
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Be sure duty cycle.
A short circuit that might occur between electrodes during activating output will damage the
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product.
The Failure of the HF SURGICAL EQUIPMENT could result in unintended increase of output
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power.
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
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contacting with the patient's body
This manual is only applicable to pumps with Program Version v1.xx or above.
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1. Precautions

1. Precautions5