ECG - 9620L PDF

Embed Size px x x x x Conventions Used in this Manual and Instrument Dangers, Warnings, Cautions and Notes Explanations of the Symbols in this Manual and Instrument Section 1 General

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Periodic Replacement Schedule Cleaning and Lubrication Cleaning and Greasing Schedules Maintenance Check Sheet Warnings and Cautions Required Tools Cable Connection Removing the Upper Casing Removing the Magazine and Recording Paper Removing the Battery Pack Removing the Thermal Head and Motor Assy Removing the Thermal Head SIO Connector Use only Nihon Kohden approved products with this device. Use of non-approved products or in a non-approved manner may affect the performance specifications of the device.

This includes, but is not limited to, batteries, recording paper, pens, extension cables, electrode leads, input boxes and AC power. Please read these precautions thoroughly before attempting to operate the instrument. To safely and effectively use the instrument, its operation must be fully understood. When installing or storing the instrument, take the following precautions: 1 Avoid moisture or contact with water, dust, extreme atmospheric pressure, excessive humidity and temperatures, poorly ventilated areas, and saline or sulphuric air.

Avoid vibration and mechanical shock, even during transport. Before Operation 1 Check that the instrument is in perfect operating order. During Operation 1 Both the instrument and the patient must receive continual, careful attention. To Shutdown After Use 1 Turn power off with all controls returned to their original positions. The instrument must receive expert, professional attention for maintenance and repairs. When the instrument is not functioning properly, it should be clearly marked to avoid operation while it is out of order.

The instrument must not be altered or modified in any way. Maintenance and Inspection: 1 The instrument and parts must undergo regular maintenance inspection at least every 6 months. When the instrument is used with a defibrillator, make sure that the instrument is protected against defibrillator discharge.

However, consumable materials such as recording paper, ink, stylus and battery are excluded from the warranty. NKC will not recognize any other warranty, either implied or in writing. In addition, service, technical modification or any other product change performed by someone other than NKC or its authorized agents without prior consent of NKC may be cause for voiding this warranty.

Defective products or parts must be returned to NKC or its authorized agents, along with an explanation of the failure. Shipping costs must be pre-paid. This warranty does not apply to products that have been modified, disassembled, reinstalled or repaired without Nihon Kohden approval or which have been subjected to neglect or accident, damage due to accident, fire, lightning, vandalism, water or other casualty, improper installation or application, or on which the original identification marks have been removed.

The following describes some common interference sources and remedial actions: 1. If this is not possible, use a different power supply. If the above suggested remedial actions do not solve the problem, consult your Nihon Kohden Corporation subsidiary or distributor for additional suggestions. The CE mark is a protected conformity mark of the European Community.

CAUTION A caution alerts the user to possible injury or problems with the instrument associated with its use or misuse such as instrument malfunction, instrument failure, damage to the instrument, or damage to other property. NOTE A note provides specific information, in the form of recommendations, prerequirements, alternative methods or supplemental information. The System test, Adjustment and Setting section in this service manual describes the maintenance that should be performed by qualified service personnel.

This is because service personnel need to understand the operation of the instrument in order to effectively use the information in the service manual. Service Manual ECG 1. There is the possibility that the outside surface of the instrument, such as the operation keys, could be contaminated by contagious germs, so disinfect and clean the instrument before servicing it. When servicing the instrument, wear rubber gloves to protect yourself from infection. There is the possibility that when the lithium battery is broken, a solvent inside the lithium battery could flow out or a toxic substance inside it could come out.

If the solvent or toxic substance touches your skin or gets into your eye or mouth, immediately wash it with a lot of water and see a physician. Liquid ingress The instrument is not waterproof, so do not install the instrument where water or liquid can get into or fall on the instrument. If liquid accidentally gets into the instrument or the instrument accidentally drops into liquid, disassemble the instrument, clean it with clean water and dry it completely. If there is something wrong with the instrument, contact your Nihon Kohden representative for repair.

Environmental Safeguards Depending on the local laws in your community, it may be illegal to dispose of the lithium battery in the regular waste collection.

Check with your local officials for proper disposal procedures. Disinfection and cleaning To disinfect the outside surface of the instrument, wipe it with a nonabrasive cloth moistened with alcohol. Do not use any other disinfectants or ultraviolet rays to disinfect the instrument.

Use the specified shipment container and packing material to transport the instrument. If necessary, double pack the instrument. Also, put the instrument into the shipment container after packing so that the buffer material does not get inside the instrument. When transporting a board or unit of the instrument, be sure to put it in a conductive bag. Never use an aluminum bag to transport a board or unit.

Also, never use a styrene foam or plastic bag which generates static electricity to wrap the board or unit of the instrument.

Handling the instrument? Because the outside surface of the instrument is made of resin, the outside surface of the instrument is easily damaged. So when handling the instrument, remove clutter from around the instrument and be careful to not damage the instrument or get it dirty. Because most of the boards in the instrument are multilayer boards with surface mount electrical devices SMD , a special tool is required to remove and solder the electrical devices on it. To avoid damaging other electrical components, do not remove and solder SMD components yourself.

Measuring and Test Equipment Maintain the accuracy of the measuring and test equipment by checking and calibrating it according to the check and calibration procedures.

Do not perform electrical device or component level repair of the multilayer board or unit. We do not support component level repair outside the factory for the following reasons:?

Most of the boards are multilayer boards with surface mount electrical devices, so the mounting density of the board is too high.

A special tool or high degree of repair skill is required to repair the multilayer boards with surface mount electrical devices. Only disassemble the instrument or replace a board or unit in an environment where the instrument is protected against static electricity.

Service Parts NOTE When ordering parts or accessories from your Nihon Kohden representative, please quote the NK code number and part name which is listed in this service manual, and the name or model of the unit in which the required part is located. This will help us to promptly attend to your needs. Always use parts and accessories recommended or supplied by Nihon Kohden Corporation to assure maximum performance from your instrument.

GENERAL Patient Safety Checks Periodic maintenance procedures and diagnostic check procedures are provided in this manual to ensure that the instrument is operating in accordance with its design and production specifications. To verify that the instrument is working in a safe manner with regard to patient safety, patient safety checks should be performed on the instrument before it is first installed, periodically after installation, and after any repair is made on the instrument.

Protective earth resistance check? Earth leakage current check? Enclosure leakage current check? Patient leakage current check? Withstanding voltage check Maintenance Equipments and Tools Test equipment When repairing or calibrating the instrument, the following test equipment is required. Digital voltmeter: standard type An oscilloscope can be used instead of the digital voltmeter. Never use this cardiograph in the presence of any flammable anesthetic gas or high-concentration oxygen atmosphere.

Failure to follow this warning may cause explosion or fire. Never use this cardiograph in a high-pressure oxygen medical tank. Never use this cardiograph near an ESU. The cardiograph may malfunction due to high-frequency noise from the ESU. Before measurement, check that the return plate is correctly attached to the patient and check that the cardiograph operates correctly when using with the ESU. MRI examination? Do not install this cardiograph in an MRI examination room.

The cardiograph may not operate properly due to high-frequency magnetic noise from the MRI. When performing MRI tests, remove from the patient all electrodes which are connected to this cardiograph. Failure to follow this warning may cause serious electrical burn on the patient due to local heating caused by dielectric electromotive force. For details, refer to the instruction manual for the MRI. When performing defibrillation?

Before defibrillation, remove all electrodes and gel from the chest of the patient. Before defibrillation, all persons must keep clear of the bed and must not touch the patient or any equipment connected to the patient. Failure to follow this warning may cause serious electrical burn, shock or other injury. When the specified patient cable is connected, the cardiograph is type CF defibrillation-proof compliance.

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