USER MANUAL
Contents
1. Xiang Medical Instrument Administration Production license No 0012 2005 The P R C Registration Certificate For Medical Device No Xiang Medical Instrument Administration Production license No 2550086 2005 Address 6th floor of Fairview Huatian building section one of middle furong road of changsha hunan China Post code 410008 TEL 86 731 84511078 84825922 84823707 Fax 86 731 84511078 84825922 E mail zn_dental 126 com Znkqylqx yahoo com cn Web www znkqylqx cn2. LN E nonn YD 2 APEX LOCATOR 1S09001 2000 CE USER MANUAL Please read this manual carefully before use Zhongnan Dental Devices Co LTD Catalog 1 Working principle s s s ss s 1 2 Functions and application srs 1 3 Specifications ss 1 a E sealer eciatdattanaeseeamanns 2 5 Instuction of components display 2 6 Operation rssrrsrsrrrerrsrersrnnrnnnnnnnnnnnnnnnnnn 3 7 Security adviCeS ssus1s 5 7 8 Breakdowns and repairs ree 8 9 Storage and transportation 8 10 Approved offical document No 9 1 Working principle The equipment works by sending pulse signal for activation effect and physiological resistance to get data which will be processed by the internal computer to show the result through data show visual display of simulation and sound amp light alarm 2 Functions and application This instrument in one of BF equipment which has an inner DC power supply marked by A This equipment is used in dentistry it has 3 functions 1 To measure the dental pulp vitality to determine whether the dental nerves are alive or dead 2 To measure tooth apex location 3 To determine whether the dental cariesis penetrated 3 Specifications 1 Voltage DC 7V 20 built in lithium rechargeable batteries 2 The dental pulp vitality measurement V T active status Pulse frequency 20Hz 140Hz 30 intervals Electrode vo
3. ce take it out from the sufferer s mouth The stimulus stops immediately The numbers shown in the data indicator 14 will remain frozen for few seconds And the numbers are the measurement data F The max number of the stimulus is 80 1 If the number is between 0 60 the pulp vitality indicator 17 turns green the sufferer feels painful or anesthesic and the alarm indicator 13 and the beeper 11 do not alarm it means the tested tooth has good pulp vitality the dental nerves are healthy 2 If the number is between 61 79 the pulp vitality indicator 7 turns yellow the sufferer has the reaction mentioned in 1 alarm indicator 13 and the beeper alarms indicator 11 interruptedly it means the tested tooth has unhealthy pulp the tooth nerves are non sensitive 3 If the number is 80 the pulp vitality indicator 7 turns red the sufferer has no reaction mentioned in 1 and alarm indicator 13 is gleaming beeper alarms 11 continuously it means the tested tooth has no pulp vitality the tested tooth nerves are dead G Pull out measuring cable plug after measurement set the power switch to OFF Il measuring teeth apex location root canal length A Start the equipment in the same way of pulp vitality measurement set the function switch to the apex location measurement mode the apex location measurement state sign 5 on the right bottom of the screen will show R T the data indicator 14 will show FF then the equipmen
4. ct with manufacturer in time 8 Breakdowns and repairs 1 Disabled color LCD check the power switch to make sure itis in ON state 2 Color LCD is normal but system is abnormal check battery level if battery is insufficient recharge the battery immediately 3 Sufficient battery while color LCD remains in a fixed state or changes abnormally and there is no sonic or optical alarm check the detecting jack plug and other connecting components 4 There is sonic and optical alarm while the equipment is just operated relative humidity RH level are too high dry the testing jack by heat blower 5 Other problems please contact with manufacturer for repair in time the telephone number is 86 731 84511078 9 Storage and transportation Please store and transport the equipment under dry and good ventilation atmosphere at ambient temperature 40 C 55 C relative humidity lt 95 and without strong electromagnetic interface E Ml Avoid irradiation of sunlight recharge the battery regularly avoid water or moisture place it carefully and lightly do not be upside down or to striked or to high stress as well 10 Approved offical document No Production license No CE certification No BT0612060181 for standard EN60601 1 1990 BT0612060561 for standard EN60601 1 2 2002 EN61000 3 2 2000 EN61000 3 3 1995 A1 2001 1S09001 2000 registration No 05306Q12509ROS Production license No For medical instrument manufactue
5. he equipment in the ambient temperature 5 C 40 C under ventilation and dry environment ralative humidity RH lt 80 avoid irradiation of sunlight and keep clean 2 Hook electrode probe and the grey link cable should be sterilized and high pressure disinfected before using other accessories should be disinfected with ordinary medical disinfection 3 Turn on the power if the screen displays abnormal check the Battery indicator 12 the battery should be recharged immediately when it shows insufficient The battery indicator will display 4 recharging while recharge it Don t short circuit the anode and cathode or contact both anode and cathode to metal at the same time Turn off the power switch after measurement 9 The equipment is guarateed against defects in materials or workmanship for two years Dismantlement or repair by unqualified repairer will cause the computer disorder automatically 6 Do not connect high frequency HF medical operation equipment with this equipment to a sufferer at the same time otherwise the equipment would be damaged Do not use this equipment in any short waves or mini waves around 1m around or the equipment will work abnormally ca Itis forbidden to use this equipment for those who suffer from serious abnormal heart rate and those with heart pacemaker just operated relative humidity RH level are too high dry the testing jack by heat blower Other problems please conta
6. ll Detecting whether dental caries is penetrated A After starting the equipment set the function switch to the dental caries penetration detection mode dental caries penetration measurement state sign 10 on the right top of the screen will show C T the data indicator shows FF it means the equipment is operating normally B Hang the hook electrode which links the measuring cable to the annulus at the end of the dental caries probe C Insulate saliva clean up food residues and dry the dental cavity and blocks diliapidated tissue then wet the bottom of dental caries by cotton with physiological saline solution don t leave too much saline water in the hole D Contact the top plane of dental caries probe with the bottom of dental caries hole Move it parallelly Pay attention that put the probe at the position of possible penetration marrow 1 Not penetrated the penetration determination indicator 9 will turn green data indicator will show 20 4 without no optical or sonic alarm 2 Have been penetrated the penetration indicator will show 3 grids in red data indicator will show OU alarm indicator will gleam and beeper alarm continuously 3 Suspicious penetration the penetration indicator will show 1 2 grids in red data indicator will show 0 2 0 1 alarm indicator and beeper will alarm interruptedly E Pull out measuring cable pulg after measurement set the power switch to OFF 7 Security advices 1 Keep and use t
7. ltage Max output voltage lt 8V effective value Electrode currency lt 0 5mA effective value Output power lt 0 01w Electricity stimulus 00 80 The stimulus increase rate lt 8 times second The number remain frozen on the screen after stimulus stops 2 15 seconds 3 The apex location the root canal length measurement R T active status Pulse frequency 500Hz 30 Pulse width 1ms 30 Electrode voltage lt 0 2V effective value Electrode currency lt 40u A effective value instant power output 0 01mW 4 Stucture The host is composed of color LCD electronic control system computer mode and internal power supply Dinisions 105mmxX80mmX 115mm Probe dental expansion probe 25mm length Hook electrode 2 70mm Measuring pen 290X165mm 5 Instuction of components display itesting socket 2 DC recharge socket 3 trademark 4 pulp vitality measure mentstatesign V T 5 apex location root canal length measurement state sign R T 6 power switch 7 pulp vitality apex location root canal length indicator 8 function switch V T plup vitality measuring R T apex location root canal length measuring C T dental caries hole penetration measuring 9 penetration determination indicator 10 dental caries hole penetration measurement state sign C T 11 beeper 12 battery power indicator 13alarm indicator 14data indicator 13 14 6 Operation I Pulp vitality measurement A Put the host on the operation table connect
8. t is operating normally B Connect the measuring cable anode with hook electrode then hang itinto a corner of the sufferer s mouth and let it contact with oral mucosa C Connect the oral mucosa with the spring electrode of measuring cable if data indicator shows OU apex location indicator 7 shows 3 grids of red sign beeper gives a long beep it means the oral physiological resistance is normal repeated this test procedure is recommended D Clamp the probe with the spring electrode then insert the probe into the root canal which is dry and let it be inner step by step 1 When the probe is above the apex the apex location indicator will turn green data indicator will show 3 0 0 6 but it will be without sonic or optical alarm 2 If tip of apex location indicator turns yellow data indicator displays AP the alarm indicator and beeper alarm interruptedly it means the probe reaches the interface of physical root tip and the apex exactly After that remove the mark initialized in the probe to the border or edge of hole then take out the probe the length displayed by the probe is the root canal length 3 When the probe exceeds the physical root tip hole the apex locaton indicator 7 displays 3 grids of red alarm indicator gleams and beeper alarms continuously data indicator displays OU it means the probe is over through the apex E After measurement take out measuring cable plug set the power switch to OFF I
9. the measuring cable and then insert measuring cable into testing jack 1 turn on the power switch 6 to start host Then all the signal in the LCD screen display for a short time The power indicator 12 shows the power condition set the function switch 8 to pulp vitality measurement mode the pulp vitality measurement state sign 4 on the right bottom of the screen shows V T the data indicator 14 shows 00 it means the equipment is operating normally B Insulate saliva strictly Clean up and dry the teeth surface with medical cotton especially make sure whether the adjoiner is dry this step is to avoid the stimulus current conduct to neighbor teeth through gum or adjioner to cause a false data C Connect the measuring pen with the measuring cable in the anode red end Connect the hook electrode to the cathode blue end Let the sufferer hold the hook or hang it into the sufferer s mouth Contact the tip of measuring pen better with some conducting resin like teethpaste with the dentalface in the 1 3 position below the dental tangent plane Then the electrocircuit will process automatically the numbers shown in the data indicator 14 will increase automatically too the pulp vitality indicator 7 shows the measuring result D Please measure the adjacent teeth of the tested tooth first to assure the measurement result E When the sufferer feels painful or anesthesic the sufferer will tell you release the tip from the dentalfa
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