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手指血氧仪说明书


Instruction Manual
CMS-50DL
Instructions to User
Dear users, thank you very much for purchasing the Pulse Oximeter. This Manual is written and compiled in accordance with the council directive MDD93/42/EEC for medical devices and harmonized standards. In case of modifications and software upgrades, the information contained in this document is subject to change without notice. The Manual describes, in accordance with the Pulse Oximeter's features and requirements, main structure, functions, specifications, correct methods for transportation, installation, usage, operation, repair, maintenance and storage, etc. as well as the safety procedures to protect both the user and equipment. Refer to the respective chapters for details. Please read the User Manual carefully before using this product. The User Manual which describes the operating procedures should be followed strictly.Failure to follow the User Manual may cause measuring abnormality, equipment damage and human injury. The manufacturer is NOT responsible for the safety, reliability and performance issues and any monitoring abnormality, human injury and equipment damage due to users' negligence of the operation instructions. The manufacturer's warranty service does not cover such faults. Owing to the forthcoming renovation, the specific products you received may not be totally in accordance with the description of this User Manual. We would sincerely regret for that. This product is medical device, which can be used repeatedly. WARNING:
Uncomfortable or painful feeling may appear if using the device ceaselessly, especially for
the microcirculation barrier patients. It is recommended that the sensor should not be
applied to the same finger for over 2 hours.
For the special patients, there should be a more prudent inspecting in the placing process.
The device can not be clipped on the edema and tender tissue.
The light (the infrared is invisible) emitted from the device is harmful to the eyes, so the
user and the maintenance man should not stare at the light.
Testee can not use enamel or other makeup.
Testee's fingernail can not be too long.
Please refer to the correlative literature about the clinical restrictions and caution.
This device is not intended for treatment.
The User Manual is published by our company. All rights reserved. Contents
1Safety . 1
1.1Instructions for safe operations . 1 1.3Attentions . 1 2Overview . 2
2.1Classification: . 2 2.3Major applications and scope of application . 2 2.4Environment requirements . 3 3Principle and Caution . 3
3.1Principle of measurement . 3 3.3Clinical restrictions . 4 4Technical specifications . 4
5Accessories . 5
6Installation . 5
6.1View of the front panel . 5 6.3Mounting the hanging rope . 5 7Operating Guide . 6
8Repairing and Maintenance . 6
9Troubleshooting . 7
10Key of Symbols . 7
11Function Specification . 8
1.1 Instructions for safe operations
 Check the main unit and all accessories periodically to make sure that there is no visible damage that may affect patient's safety and monitoring performance about cables and transducers. It is recommended that the device should be inspected once a week at least. When there is obvious damage, stop using the monitor.  Necessary maintenance must be performed by qualified service engineers ONLY. Users are not permitted to maintain it by themselves.  The oximeter cannot be used together with devices not specified in User's Manual.Only the accessory that appointed or recommendatory by manufacture can be used with this device.  This product is calibrated before leaving factory. 1.2 Warnings
 Explosive hazard—DO NOT use the oximeter in environment with inflammable gas such as some ignitable anesthetic agents.  DO NOT use the oximeter while the testee measured by MRI and CT.  The person who is allergic to rubber can not use this device.  The disposal of scrap instrument and its accessories and packings(including battery, plastic bags, foams and paper boxes) should follow the local laws and regulations.  Please check the packing before use to make sure the device and accessories are totally in accordance with the packing list, or else the device may have the possibility of working  Please don't measure this device with function test paper for the device's related information. 1.3 Attentions
 Keep the oximeter away from dust, vibration, corrosive substances, explosive materials, high temperature and moisture.  If the oximeter gets wet, please stop operating it.  When it is carried from cold environment to warm or humid environment, please do not use it  DO NOT operate keys on front panel with sharp materials.  High temperature or high pressure steam disinfection of the oximeter is not permitted. Refer to User Manual in the relative chapter for instructions of cleaning and disinfection.  Do not have the oximeter immerged in liquid. When it needs cleaning, please wipe its surface with medical alcohol by soft material. Do not spray any liquid on the device directly.  When cleaning the device with water, the temperature should be lower than 60℃.  As to the fingers which are too thin or too cold, it would probably affect the normal measure of the patients' SpO2 and pulse rate, please clip the thick finger such as thumb and middle finger deeply enough into the probe.  Do not use the device on infant or neonatal patients.  The product is suitable for children above four years old and adults(Weight should be between 15kg to 110kg).  The device may not work for all patients. If you are unable to achieve stable readings, discontinue use.  The update period of data is less than 5 seconds, which is changeable according to different individual pulse rate.  If some abnormal conditions appear on the screen during test process, pull out the finger and reinsert to restore normal use. The device has normal useful life for three years since the first electrified use. The hanging rope attached the product is made from Non- allergy material, if particular group are sensitive to the hanging rope, stop using it. In addition, pay attention to the use of the hanging rope , do not wear it around the neck avoiding cause harm to the patient. The instrument dose not have low-voltage alarm function, it only shows the low-voltage, please change the battery when the battery energy is used out. When the parameter is particularly, The instrument dose not have alarm function.Do not use the device in situations where alarms are required. Batteries must be removed if the device is going to be stored for more than one month, or else batteries may leak. A flexible circuit connects the two parts of the device. Do not twist or pull on the connection. 2 Overview
The pulse oxygen saturation is the percentage of HbO2 in the total Hb in the blood, so-called the O2 concentration in the blood. It is an important bio-parameter for the respiration. For the purpose of measuring the SpO2 more easily and accurately, our company developed the Pulse Oximeter. At the same time, the device can measure the pulse rate simultaneously. The Pulse Oximeter features in small volume, low power consumption, convenient operation and being portable. It is only necessary for patient to put one of his fingers into a fingertip photoelectric sensor for diagnosis, and a display screen will directly show measured value of Hemoglobin 2.1 Classification:
Class II b, (MDD93/42/EEC IX Rule 10) 2.2 Features
 Operation of the product is simple and convenient.  The product is small in volume, light in weight (total weight is about 50g including batteries) and convenient in carrying.  Power consumption of the product is low and the two originally equipped AAA batteries can be operated continuously for 24 hours.  The product will automatically be powered off when no signal is in the product within 5 2.3 Major applications and scope of application
The Pulse Oximeter can be used to measure human Hemoglobin Saturation and pulse rate through finger, and indicate the pulse intensity by the bar-display. The product is suitable for use in family, hospital(Ordinary sickroom ), Oxygen Bar, social medical organizations and also the measure of




saturation oxygen and pulse rate. The product is not suitable for use in continuous supervision for patients.
The problem of overrating would emerge when the patient is suffering from toxicosis
which caused by carbon monoxide, the device is not recommended to be used under this
2.4 Environment requirements
Storage Environment a) Temperature :-40℃~+60℃ b) Relative humidity :5%~95% c) Atmospheric pressure :500hPa~1060hPa Operating Environment a) Temperature: :10℃~40℃ b) Relative Humidity :30%~75% c) Atmospheric pressure:700hPa~1060hPa 3 Principle and Caution
3.1 Principle of measurement
Principle of the Oximeter is as follows: An experience formula of data process is established taking use of Lambert Beer Law according to Spectrum Absorption Characteristics of Reductive Hemoglobin (Hb) and Oxyhemoglobin (HbO2) in glow & near-infrared zones. Operation principle of the instrument is: Photoelectric Oxyhemoglobin Inspection Technology is adopted in accordance with Capacity Pulse Scanning & Recording Technology, so that two beams of different wavelength of lights can be focused onto human nail tip through perspective clamp finger-type sensor. Then measured signal can be obtained by a photosensitive element, information acquired through which will be shown on screen through treatment in electronic circuits and microprocessor. Figure 1. Operating Principle 3.2 Caution
The finger should be placed properly (see the attached illustration of this manual ,Figure 5), or else it may cause inaccurate measurement. The SpO2 sensor and photoelectric receiving tube should be arranged in a way with the subject's arteriole in a position there between. The SpO2 sensor should not be used at a location or limb tied with arterial canal or blood pressure cuff or receiving intravenous injection. Make sure the optical path is free from any optical obstacles like rubberized fabric. Excessive ambient light may affect the measuring result. It includes fluorescent lamp, dual ruby light, infrared heater, direct sunlight and etc. Strenuous action of the subject or extreme electrosurgical interference may also affect the Testee can not use enamel or other makeup. 3.3 Clinical restrictions
As the measure is taken on the basis of arteriole pulse, substantial pulsating blood flow of subject is required. For a subject with weak pulse due to shock, low ambient/body temperature, major bleeding, or use of vascular contracting drug, the SpO2 waveform (PLETH) will decrease. In this case, the measurement will be more sensitive to interference. For those with a substantial amount of staining dilution drug (such as methylene blue, indigo green and acid indigo blue), or carbon monoxide hemoglobin (COHb), or methionine (Me+Hb) or thiosalicylic hemoglobin, and some with icterus problem, the SpO2 determination by this monitor may be inaccurate. The drugs like dopamine, procaine, prilocaine, lidocaine and butacaine may also be a major factor blamed for serious error of SpO2 measure. As the SpO2 value serves as a reference value for judgement of anemic anoxia and toxic anoxia, some patients with serious anemia may also report good SpO2 measurement. 4 Technical specifications
4.1 Display Format: LED Display;
SpO2 Measuring Range: 0% - 100%;
Pulse Rate Measuring Range: 30 bpm - 250 bpm;
Pulse Intensity Display: columniation display
4.2 Power Requirements: 2 ×1.5V AAA alkaline battery(or using the rechargeable battery
,, adaptable range: 2.6V 3.6V. 4.3 Power Consumption: Smaller than 25 mA.
4.4 Resolution: 1% for SpO2 and 1 bpm for Pulse Rate.
4.5 Measurement Accuracy: ±2% in stage of 70%-100% SpO2, and meaningless when stage
being smaller than 70%. ±2 bpm or±2% (select larger) for Pulse Rate. 4.6 Measurement Performance in Weak Filling Condition: SpO2 and pulse rate can be shown
correctly when pulse-filling ratio is 0.4%. SpO2 error is ±4%, pulse rate error is ±2 bpm or ± 2% (select larger). 4.7 Resistance to surrounding light: The deviation between the value measured in the condition
of man-made light or indoor natural light and that of darkroom is less than ±1%. 4.8 It is equipped with a function switch. The Oximeter can be powered off in case no finger is the
Oximeter within 5 seconds. 4.9 Optical Sensor
Red light (wavelength is 660nm,6.65mW) Infrared (wavelength is 880nm, 6.75mW)



5 Accessories
 One hanging rope;  Two batteries;  One User Manual. 6 Installation
6.1 View of the front panel
Figure 2. Front View 6.2 Battery
Step 1. Refer to Figure 3. and insert the two AAA size batteries properly in the right direction. Step 2. Replace the cover. Please take care when you insert the batteries for the improper insertion may damage the
Figure 3.Batteries Installation 6.3 Mounting the hanging rope
Step 1. Put the end of the rope through the hole. Step 2. Put another end of the rope through the first one and then tighten it.



Figure 4. Mounting the hanging rope 7 Operating Guide
7.1 Insert the two batteries properly to the direction, and then replace the cover. 7.2 Open the clip as shown in Figure 5. Figure 5. Put finger in position 7.3 Let the patient's finger put into the rubber cushions of the clip (make sure the finger is in the right position), and then clip the finger. 7.4 Press the switch button once on front panel. 7.5 Do not shake the finger and keep the patient at ease during the process. Meanwhile, human body is not recommended in movement status. 7.6 Get the information directly from screen display. Fingernails and the luminescent tube should be on the same side.
8 Repairing and Maintenance
 Please change the batteries when the low-voltage displayed on the screen.  Please clean the surface of the device before using. Wipe the device with medical alcohol first, and then let it dry in air or clean it by dry clean fabric.  Using the medical alcohol to disinfect the product after use, prevent from cross infection for  Please take out the batteries if the oximeter is not in use for a long time.  The best storage environment of the device is - 40ºC to 60ºC ambient temperature and not higher than 95% relative humidity. The device needs to be calibrated once a year (or according to the calibrating program of hospital). It also can be performed at the state-appointed agent or just contact us for calibration. High-pressure sterilization cannot be used on the device.
Do not immerse the device in liquid.
It is recommended that the device should be kept in a dry environment. Humidity may
reduce the useful life of the device, or even damage it.
9 Troubleshooting
Possible Reason
Solution
1. The finger is not properly 1. Place the finger properly and try The SpO2 and Pulse
Rate can not be
2. The patient's SpO2 is too low to be 2. Try again; Go to a hospital for a displayed normally
diagnosis if you are sure the device works all right. 1. The finger is not placed inside 1. Place the finger properly and try The SpO2 and Pulse
Rate are not
2. The finger is shaking or the patient 2. Let the patient keep calm displayed stably
1. The batteries are drained or almost 1. Change batteries. The device can not
2. Reinstall batteries. 2. The batteries are not inserted be turned on
3. Please contact the local service 3. The malfunction of the device. 1. The device will power off The display is off
automatically when it gets no signal suddenly
within 5 seconds. 2. Change batteries. 2. The batteries are almost drained. 10 Key of Symbols
Description
Warning – See User Manual The pulse oxygen saturation(%) Pulse rate (bpm) The battery voltage indication is deficient (change the battery in time avoiding the inexact measure) 1. no finger inserted 2. An indicator of signal inadequacy battery positive electrode WEEE (2002/96/EC) Ingress of liquids rank 11 Function Specification
Display Information
Display Mode
The Pulse Oxygen Saturation(SpO ) Pulse Rate(BPM) Pulse Intensity (bar-graph) LED bar-graph display SpO2 Parameter Specification
0%~100%, (the resolution is 1%). 70%~100%:±2% ,Below 70% unspecified. Red light (wavelength is 660nm) Infrared (wavelength is 880nm) Pulse Parameter Specification
30bpm~250bpm (the resolution is 1 bpm) ±2bpm or±2% select larger Pulse Intensity
Continuous bar-graph display, the higher display indicate the stronger pulse. Battery Requirement
1.5V (AAA size) alkaline batteries × 2 or rechargeable battery Battery Useful Life
Two batteries can work continually for 24 hours Dimensions and Weight
57(L) × 31(W) × 32(H) mm About 50g (with the batteries)

Source: http://www.okaimono.cc/yunyu/001/cms-50dl_manual.pdf

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28 February 2016 Issue No. 2016/02A PATENTS JOURNAL BRUNEI DARUSSALAM Brunei Darussalam Intellectual Property Office (BruIPO) The Brunei Economic Development Board 4th Floor Block 2D, Jalan Kumbang Pasang Bandar Seri Begawan BA1311 Negara Brunei Darussalam Tel: +673 223 0111 │Fax: +673 238 0545 Email:website: www.brunei-patents.com.bn Brunei Darussalam Intellectual Property Office (BruIPO) © 2013. All rights reserved. Modification or reproduction of this Journal without the permission of BruIPO is prohibited.

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