SE-1 Electrocardiograph User Manual Safety Guidance
Chapter 1 Safety Guidance
This chapter provides important safety information related to the use of the single channel
e
lectrocardiograph.
1.1 Indications for Use/Intended Use
The intended use of the single channel electrocardiographis to acquire ECG signals from adult
and pediatric patients through body surface ECG electrodes. The electrocardiograph is intended
to be used only in hospitals or healthcare facilities by doctors and trained healthcare professionals.
The cardiogram recorded by the single channel electrocardiograph can help users to analyze and
diagnose heart disease. However the ECG is offered to clinicians on an advisory basis only.
1.2 Warnings and Cautions
In order to use the electrocardiograph safely and effectively, and avoid possible dangers caused
by improper operation, please read through the user manual and be sure to be familiar with all
functions of the equipment and proper operation procedures before use.
Please pay more attention to the following warning and caution information.
Note:
1. This device is not intended for home use.
2. The pictures and interfaces in this manual are for reference only.
1.2.1 Safety Warnings
WARNING
1. The electrocardiograph is intended to be used by qualified physicians or personnel
professionally trained. They should be familiar with the contents of this user manual
before operation.
2. Only qualified service engineers can install this equipment, and only service
engineers authorized by the manufacturer can open the shell. Otherwise, safety
hazards may happen.
3. Only qualified installation or service engineers can shift the mains supply shift switch
(100V-115V~/220V-240V~) according to local mains supply specifications.
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SE-1 Electrocardiograph User Manual Safety Guidance
WARNING
4. The results given by the equipment should be examined based on the overall clinical
condition of the patient, and they can not substitute for regular checking.
5. This device is not intended for treatment.
6. EXPLOSION HAZARD - Do not use the electrocardiograph in the presence of
flammable anesthetic mixtures with oxygen or other flammable agents.
7. SHOCK HAZARD - The power receptacle must be a hospital grade grounded outlet.
Never try to adapt the three-prong plug to fit a two-slot outlet.
8. If the integrity of the external protective conductor is in doubt, the equipment should
be powered by a built-in rechargeable battery.
9. Do not use this equipment in the presence of high static electricity or high voltage
equipment which may generate sparks.
10. This equipment is not designed for direct cardiac application.
11. Only the patient cable and other accessories supplied by the manufacturer can be
used. Or else, the performance and electric shock protection cannot be guaranteed.
12. The use of patient cable and other accessories not supplied by the manufacturer may
result in increased emissions or decreased immunity of the equipment.
13. Make sure that all electrodes are connected to the patient correctly before operation.
14. Ensure that the conductive parts of electrodes and associated connectors, including
neutral electrodes, do not come in contact with earth or any other conducting objects.
15. Electrodes with defibrillator protection should be used while defibrillating. To avoid a
polarization or DC offset voltage, use non-polarizing electrodes (which will not form a
DC offset voltage when subjected to a DC current) such as silver/silver-chloride types
if there is a situation where there is a likelihood that a defibrillation procedure will be
necessary.
16. There is no danger for patients to use pacemakers. However, if a pacemaker is used,
the results given by the equipment may be invalid, or lose the clinical significance.
17. Do not touch the patient, bed, table or the equipment while using the ECG together
with a defibrillator.
18. Do not touch accessible parts of electrical equipment and the patient simultaneously.
19. In order to avoid being burnt, please keep the electrodes far away from the radio knife
while using electrosurgical equipment.
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SE-1 Electrocardiograph User Manual Safety Guidance
WARNING
20. Disposable electrodes must be used during defibrillation
21. Accessory equipment connected to the analog and digital interfaces must be certified
according to the respective IEC/EN standards (e.g. IEC/EN 60950 for data processing
equipment and IEC/EN 60601-1 for medical equipment). Furthermore all configuration
shall comply with the valid version of the standard IEC/EN 60601-1-1. Therefore
anybody, who connects additional equipment to the signal input or output connector to
configure a medical system, must make sure that it complies with the requirements of
the valid version of the system standard IEC/EN 60601-1-1. If in doubt, consult our
technical service department or your local distributor.
22. Connecting any accessory (such as external printer) or other device (such as the
computer) to this electrocardiograph makes a medical system. In that case, additional
safety measures should be taken during installation of the system, and the system
shall provide:
a) Within the patient environment, a level of safety comparable to that provided by
medical electrical equipment complying with IEC/EN 60601-1, and
b) Outside the patient environment, the level of safety appropriate for non-medical
electrical equipment complying with other IEC or ISO safety standards.
23. All the accessories connected to system must be installed outside the patient vicinity,
if they do not meet the requirement of IEC/EN 60601-1.
24. SHOCK HAZARD - Don't connect non-medical electrical equipment, which has been
supplied as a part of the system, directly to the wall outlet when the non-medical
equipment is intended to be supplied by a multiple portable socket-outlet with an
isolation transformer.
25. SHOCK HAZARD - Don't connect electrical equipment, which has not been supplied
as a part of the system, to the multiple portable socket-outlet supplying the system.
26. Do not connect any equipment or accessories that are not approved by the
manufacturer or that are not IEC/EN 60601-1 approved to the electrocardiograph. The
operation or use of non-approved equipment or accessories with the
electrocardiograph is not tested or supported, and electrocardiograph operation and
safety are not guaranteed.
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SE-1 Electrocardiograph User Manual Safety Guidance
WARNING
27. Do not use the additional multiple portable socket-outlet or extension cord in the
medical electrical system, unless it's specified as part of the system by manufacturer.
And the multiple portable socket-outlets provided with the system shall only be used
for supplying power to equipment which is intended to form part of the system.
28. The summation of leakage current should never exceed leakage current limits while
several other units are used at the same time.
29. The potential equalization conductor can be connected to that of other equipment
when necessary, to make sure that all these devices are connected to the potential
equalization bus bar of the electrical installation.
30. The EQUIPMENT is protected against malfunctions caused by electrosurgery
according to the clause 36.202.101 in the standard IEC 60601-2-25.
31. The electrocardiograph shall not be serviced or maintained while in use with a patient.
32. The appliance coupler or mains plug is used as isolation means from supply mains.
Position the electrocardiograph in a location where the operator can easily access the
disconnection device.
33. The medical electrical equipment needs to be installed and put into service according
to Appendix 2 EMC information.
34. The equipment should not be used adjacent to or stacked with other equipment, refer
to the recommended separation distances provided in Appendix 2 EMC Information.
35. Portable and mobile RF communications equipment can affect medical electrical
equipment, refer to the recommended separation distances provided in Appendix 2
EMC Information.
36. Assembly of the electrocardiograph and modifications during actual service life shall
be evaluated based on the requirements of IEC60601-1.
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SE-1 Electrocardiograph User Manual Safety Guidance
1.2.2 Lithium Battery Care Warnings
WARNING
1. Improper operation may cause the lithium battery (hereinafter called battery) to be hot,
ignited or exploded, and it may lead to the decrease of the battery capacity. It is
necessary to read the user manual carefully and pay more attention to warning
messages.
2. Only qualified service engineers authorized by the manufacturer can open the battery
compartment and replace the battery, and batteries of the same model and
specification should be used.
3. Danger of explosion -- Do not reverse the anode and the cathode when installing the
battery.
4. Do not heat or splash the battery or throw it into fire or water.
5. When leakage or foul smell is found, stop using the battery immediately. If your skin or
cloth comes into contact with the leakage liquid, cleanse it with clean water at once. If
the leakage liquid splashes into your eyes, do not wipe them. Irrigate them with clean
water first and go to see a doctor immediately.
6. The device and accessories are to be disposed of according to local regulations after
their useful lives. Alternatively, they can be returned to the dealer or the manufacturer
for recycling or proper disposal. Batteries are hazardous waste. Do NOT dispose of
them together with house-hold garbage. At the end of their lives hand the batteries
over to the applicable collection points for the recycling of waste batteries. For more
detailed information about recycling of this product or the battery, please contact your
local Civic Office, or the shop where you purchased the product.
7. Only when the device is off can the battery be installed or removed.
8. Remove the battery from the electrocardiograph when the electrocardiograph is not
used for a long time.
9. If the battery is stored alone and not used for a long time, we recommend that the
battery should be charged at least once every 6 months to prevent overdischarge.
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SE-1 Electrocardiograph User Manual Safety Guidance
1.2.3 General Cautions
CAUTION
1. Avoid liquid splash and excessive temperature. The temperature must be kept
between 5 ºC and 40 ºC during operation, and it should be kept between -20 ºC and
55 ºCduring transportation and storage.
2. Do not use the equipment in a dusty environment with bad ventilation or in the
presence of corrosive.
3. Make sure that there is no intense electromagnetic interference source around the
equipment, such as radio transmitters or mobile phones etc. Attention: large medical
electrical equipment such as electrosurgical equipment, radiological equipment and
magnetic resonance imaging equipment etc. is likely to bring electromagnetic
interference.
4. Before use, the equipment, patient cable and electrodes etc. should be checked.
Replacement should be taken if there is any evident defectiveness or aging symptom
which may impair the safety or the performance.
5. The following safety checks should be performed at least every 24 months by a
qualified person who has adequate training, knowledge, and practical experience to
perform these tests.
a) Inspect the equipment and accessories for mechanical and functional damage.
b) Inspect the safety relevant labels for legibility.
c) Inspect the fuse to verify compliance with the rated current and circuit-breaking
characteristics.
d) Verify that the device functions properly as described in the instructions for use.
e) Test the protection earth resistance according to IEC/EN 60601-1: Limit 0.1 ohm.
f) Test the earth leakage current according to IEC/EN 60601-1: Limit: NC 500μA, SFC
1000μA.
g) Test the enclosure leakage current according to IEC/EN 60601-1: Limit: NC 100μA,
SFC 500μA.
h) Test the patient leakage current according to IEC/EN 60601-1: Limit: NC a.c. 10μA,
d.c. 10μA; SFC a.c. 50μA, d.c. 50μA.
i) Test the patient auxiliary current according to IEC/EN 60601-1: Limit: NC a.c. 10μA,
d.c. 10μA; SFC a.c. 50μA, d.c. 50μA.
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SE-1 Electrocardiograph User Manual Safety Guidance
CAUTION
j) Test the patient leakage current under single fault condition with mains voltage on the
applied part according to IEC/EN 60601-1: Limit: 50μA (CF)
The data should be recorded in an equipment log. If the device is not functioning properly
or fails any of the above tests, the device has to be repaired.
6. Ruptured fuse must only be replaced with that of the same type and rating as the
original.
1.2.4 Cleaning & Disinfection Cautions
CAUTION
1. Turn off the power before cleaning and disinfection. If the mains supply is used, the
power cord should be dragged out of the outlet. Prevent the detergent from seeping
into the equipment.
2. Do not immerse the unit or the patient cable into liquid under any circumstances.
3. Do not clean the unit and accessories with abrasive fabric and avoid scratching the
electrodes.
4. Any remainder of detergent should be removed from the unit and the patient cable
after cleaning.
5. Do not use chloric disinfectant such as chloride, sodium hypochlorite etc.
1.3 List of Symbols
No. Symbol Description
1
2
Output
Input
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SE-1 Electrocardiograph User Manual Safety Guidance
3
4
5
6
7
8
DEFIBRILLATION-PROOF TYPE CF APPLIED
PART
Attention, consult ACCOMPANYING DOCUMENTS
Operating instructions
Equipotential grounding
Alternating Current
"ON" (power)
9
10
11
12
13
14
"OFF" (power)
Battery check
Battery recharging indicator
General symbol for recovery/recyclable
Part Number
SERIAL NUMBER
15
Date of manufacture
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SE-1 Electrocardiograph User Manual Safety Guidance
16
17
18
19
20
21
MANUFACTURER
AUTHORISED REPRESENTATIVE IN THE
EUROPEAN COMMUNITY
CE marking
Disposal method
Refer to User Manual
(Background: Blue; Symbol: White)
Warning
(Background: Yellow; Symbol&Outline: Black)
22
Caution: Federal (U.S.) law restricts this device to sale
by or on the order of a physician.
NOTE: The user manual is printed in black and white.
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SE-1 Electrocardiograph User Manual Introduction
Chapter2 Introduction
SE-1 electrocardiograph is a high-performance single channel digital electrocardiograph.
1-channel ECG wave and the real-time heart rate can be viewed on the LCD screen, and printed
out by using a high resolution thermal recorder. The auto and manual modes can be chosen freely.
SE-1 can be powered by the mains supply or a built-in rechargeable lithium battery.
Configuration: main unit and accessories, including patient cable, chest electrodes, limb
electrodes, thermal recorder paper, power cord etc.
WARNING
1. This equipment is intended for use on adult and pediatric patients only.
2. This equipment is not designed for direct cardiac application.
3. The results given by the equipment should be examined based on the overall clinical
condition of the patient, and they can not substitute for regular checking.
2.1 Top Panel
LCD Screen
USB Interface
Recorder Paper
Recorder
Key Panel
(Reserved)
External Input/Output
Socket
RS232 Socket
Patient Cable Socket
Figure 2-1 Main Unit
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SE-1 Electrocardiograph User Manual Introduction
2.2 Key Panel and Keys
1)Indicator
Mains supply indicator: when the device is powered by the mains supply, the
indicator will be lit.
Battery indicator: when the device is powered by a built-in rechargeable lithium
battery, the indicator will be lit.
Battery recharging indicator: after you connect the power cord to the outlet and
press the mains switch, both the battery recharging indicator and the mains
supply indicator will be lit.
Note: When the device is powered off, the recharging indicator is still lit after t