BIOTRONIK SE and KG CM06-1 Patient Device User Manual Manual3

BIOTRONIK SE & Co. KG Patient Device Manual3

Manual3

23When you are finished, the connection should look like as follows:CardioMessenger.book  Page 23  Tuesday, May 2, 2006  5:05 PM
24CardioMessenger.book  Page 24  Tuesday, May 2, 2006  5:05 PM
25How Do I Understand the Lights of the CardioMessenger?Your CardioMessenger has four lights and one light on the charging station. The lights numbered 1 - 3 represent the general functions of the CardioMessenger, light 4 is the battery monitor light, and light 5 shows the operational status of the charging station.Note: Whether or not the lights flash or are lit continuously, the operation of your implant remains unaffected. Light 1 Off – This is the normal status.Yellow flashing – When this light flashes yellow, your physician wants you to call. This situation may never occur. You will be informed by your physician if s/he will use this feature. CardioMessenger.book  Page 25  Tuesday, May 2, 2006  5:05 PM
26Note: After you have switched the CardioMessenger off and on, this light will not flash anymore. However, please do not forget to call your physician.Light 2 This light will only be used during a follow-up visit and can be triggered via the implant programmer ICS 3000. Your physician will find further information in the ICS 3000 manual.Note: Light 2 is not illuminated when your implant transmits regular messages.This light may be illuminated or flash yellow, or flash green. Off – This is the normal status.Yellow illumination – When the light is illuminated yellow, the CardioMessenger is receiving a message. Please wait until the data transmission has finished (light flashing green) before you walk away from the CardioMessenger. Green flashing – When the light flashes green several times, the transmission of the message has been completed.Yellow flashing – However, when the light flashes yellow several times, the transmission was not successful. Your physician will decide what to do next.Light 3 This light informs you about the normal operation of the CardioMessenger. Green flashing   – When the light single-flashes green repeatedly, the CardioMessenger is operating properly. This is the normal status.CardioMessenger.book  Page 26  Tuesday, May 2, 2006  5:05 PM
27Green flashing   – When the light double-flashes green repeatedly, the CardioMessenger is also operating properly. Additionally, there are messages stored that have to be transmitted to the Service Center.Yellow flashing   – When the light double-flashes yellow repeatedly, there is no connection to the GSM network or modem and additionally the CardioMessenger has messages stored to be transmitted to the Service Center. For further information, see the „How Do I Resolve Problems?" on page 32. Yellow illumination – When the light is illuminated yellow, the CardioMessenger is performing a self-test. This test should last no longer than 10 seconds after the CardioMessenger has been switched on.Off – The CardioMessenger is switched off.Light 4 In the following, the four statuses of the battery monitor light are described as follows:Green Illumination – When the light is illuminated green, the CardioMessenger is fully charged. You may now use it in mobile operation for at least 24 hours. But the CardioMessenger can certainly also be kept in the charging station. Off – This is the normal status when the CardioMessenger is used in mobile operation.When this light is off but the CardioMes-senger is in the charging station, please refer to „How Do I Resolve Problems?" on page 32.CardioMessenger.book  Page 27  Tuesday, May 2, 2006  5:05 PM
28Red flashing – When the light flashes red, the CardioMessenger batteries are nearly depleted. Please place the CardioMessenger in the charging station.Yellow illumination – When the light is illuminated yellow, the CardioMessenger is charging. Light 5 Green Illumination – This is the normal status when the charging station is connected to the power supply. If this is not the case, there might be an error. Additional information can be found in „How Do I Resolve Problems?" on page 32.CardioMessenger.book  Page 28  Tuesday, May 2, 2006  5:05 PM
29How Do I Turn On the CardioMessenger?As soon as you place the CardioMessenger in the charging station, it is automatically switched on. You certainly may also switch on the CardioMessenger when it is not placed in the charging station; the On/Off button is located on the right side of the CardioMessenger.Press the On/Off button   of the CardioMessenger until you can feel slight resistance. A brief tone will sound, the CardioMessenger will start its self-test, and light 3 will be illuminated yellow. You can now release the button.CardioMessenger.book  Page 29  Tuesday, May 2, 2006  5:05 PM
30When the self-test of the CardioMessenger has finished, light 3 flashes yellow. Now, the CardioMessenger will try to connect to the BIOTRONIK Service Center.After a successful connection to the Service Center, light 3 flashes green. Your CardioMessenger is now operational. In case light 3 does not flash green, please refer to „How Do I Resolve Problems?" on page 32. Note: When the CardioMessenger has not been used for a long time or if it was stored below operational temperature, the battery can be completely depleted. In this case, the CardioMessenger switches itself on only after the battery has been charged for about 30 minutes.How Do I Turn Off the CardioMessenger?Press and hold the CardioMessenger On/Off button for at least two seconds. A brief tone will sound and light 3 will go out after a short period of time.The CardioMessenger is switched off; no data can be received or transmitted.Note: A switched-off or improperly functioning CardioMessenger does not affect the operation of your implant. CardioMessenger.book  Page 30  Tuesday, May 2, 2006  5:05 PM
31How Do I Charge the CardioMessenger?The CardioMessenger has to be charged when the battery monitor light (light 4) flashes red. If you wish to use the CardioMessenger in mobile operation, you should charge it every 24 hours.It is recommended that you charge the CardioMessenger before you use it for the first time. To do so, place the CardioMessenger in the charging station; the charging process will start immediately.During the charging process, the battery monitor light (light 4) of the CardioMessenger will be illuminated yellow. Once the CardioMessenger is charged, the battery monitor light is illuminated green. Charging usually takes no longer than three and a half hours. CardioMessenger.book  Page 31  Tuesday, May 2, 2006  5:05 PM
32However, if the battery monitor light (light 4) is off even though the CardioMessenger is in the charging station, there might be a problem. Please refer to „How Do I Resolve Problems?" on page 32 to find out how to resolve this problem.Note: In case the CardioMessenger has been stored outside the operational temperature, i.e., below 0° (32° F) and above 40° Celsius (104° F), the batteries discharge themselves much more quickly. You should then first charge the CardioMessenger before attempting to use it. How Do I Resolve Problems?Problems with your CardioMessenger are easy to identify, and they are ususally easy to resolve.Light 3 Yellow illumination – When this light is continuously illuminated yellow, the CardioMessenger was not able to end its self-test. Solution – Reset the CardioMessenger and turn it on again. If light 3 is still illuminated yellow, inform your physician. You will find information on a reset in „How Do I Reset the CardioMessenger?" on page 34.Yellow flashing – When this light continuously flashes yellow, the CardioMessenger cannot connect to the Service Center.Solutions – Check if the charging station is connected to the power supply and if the cables from the charging station to the telephone wall outlet are loose. CardioMessenger.book  Page 32  Tuesday, May 2, 2006  5:05 PM
33Check that the standard telephone line is not dead, i.e., the CardioMessenger is not blocked by other devices.Check if you are able to dial toll-free numbers with your telephone. If this is generally not possible, have this service set up for you by your telephone provider or inform your physician. Light 4 Off – When this light is off even though the CardioMessenger is in the charging station, proceed as follows: Solutions – Check if light 5 on the charging station is illuminated. Is this not the case, refer to the solutions described for light 5.If light 5 is illuminated, check whether the connecting parts on the CardioMessenger or on the charging station are easily accessible and not dirty.If light 4 is still off, inform your physician so that the device can be checked and the battery may be exchanged. Note: If you take the CardioMessenger out of the charging station, the battery monitor light will go out to save energy. Light 5 Off – If this light is off, proceed as follows: Solutions – Check that the plugs of the power cables are connected both to the outlet in the wall and to the power supply. Check that the green light of the power supply is illuminated. If this is not the case, either the power outlet is not being supplied with electricity or the power supply is defective. Return a non-functioning power supply to your physician. CardioMessenger.book  Page 33  Tuesday, May 2, 2006  5:05 PM
34How Do I Reset the CardioMessenger?You should reset your CardioMessenger by restarting it when light 3 is lit continuously in yellow and if this error could not be eliminated by turning the CardioMessenger off and on. The reset button is located on the back of the CardioMessenger, on the left towards the lower end of the belt clip.Press the reset button (located on the back of the CardioMessenger) with a sharp object such as a ballpoint pen or the end of a straightened paper clip.CardioMessenger.book  Page 34  Tuesday, May 2, 2006  5:05 PM
35If the problem still exists, inform your physician.Note: Only reset the CardioMessenger if you have eliminated other sources of error. When resetting the CardioMessenger, you abruptly cut off the current and data might be lost. Also, please note when you have done a reset; this could be useful for future troubleshooting. How Do I Take Care of the CardioMessenger?Handle the CardioMessenger with care, so that you will be able to use it for a long time and so that BIOTRONIK can guarantee its proper operation:2Keep the CardioMessenger clean and away from dirty or dusty environments.2Don't bend the antenna and don't hold the CardioMessenger by the antenna.2Use a soft cloth for cleaning. If necessary, this can be moistened with water or ethyl alcohol. However, avoid bringing the device into direct contact with water or other solvents.2Protect the CardioMessenger from direct contact with water. For example, wear it under your coat when it rains.2Don't turn on the CardioMessenger if it has been recently stored in a cold environment. Let it warm up slowly to room temperature, since the resulting condensed water may harm the electronic circuit.Return the CardioMessenger to your physician if it no longer works.Maintenance at regular intervals is not necessary for the CardioMessenger. CardioMessenger.book  Page 35  Tuesday, May 2, 2006  5:05 PM
36Note: Before use, make sure the CardioMessenger, charging station, power supply unit and cable are not visibly damaged. If you find damage, consult your physician.If handled properly, the installed batteries should supply the CardioMessenger with 24 hours of power even after 500 charging cycles (which is at least two years). If you feel the CardioMessenger is not lasting long enough during mobile operation, ensure that it has been charged in the charging station for at least three and a half hours before mobile use. Additional information can be found in „How Do I Charge the CardioMessenger?" on page 31. If you find that the battery is always running low too soon, contact your physician. The physician will have a new battery installed.Note: When authorized personnel change the battery, they should also check the button cell. In particular, rechargeable lithium ion batteries should be disposed of by the manufacturer according to legal guidelines.How Do I Carry the CardioMessenger?You can wear your CardioMessenger in various ways: 2With the clip of the CardioMessenger on your belt2With the carrying strap If you don't need the clip or if you wish to attach the carrying strap, proceed as follows: Remove the clip by pressing the   symbol with your thumb (see figure) and slide the clip downwards - away from the antenna.CardioMessenger.book  Page 36  Tuesday, May 2, 2006  5:05 PM
37The carrying strap has a clip attached. Take the carrying strap and reattach the clip of the carrying strap.To do so, slide the clip upwards toward the antenna until the clip snaps in.Warning! When you use the clip with the carrying strap, make sure that the distance between the implant and CardioMessenger is greater than 20 centimeters (7 inches).Warning! Do not carry the CardioMessenger inside the breast pocket of your shirt or jacket, and do not place it directly on your skin.CardioMessenger.book  Page 37  Tuesday, May 2, 2006  5:05 PM
38Safety Precautions - What Should I Watch Out For?The CardioMessenger and its components are medical devices and therefore comply with strict requirements for their development, manufacture and testing. Please observe the following safety instructions, which are summarized below: Warning! Turn off the CardioMessenger in locations where cell phones are prohibited for safety reasons (such as in hospitals or airplanes). Such areas can be identified by the following or similar signs:Warning! To avoid interference, maintain a minimum distance of 20 centimeters (7 inches) between the CardioMessenger and implant. Like a cellular phone, the CardioMessenger device can temporarily interfere with your implant if it is too close to it. Warning! Do not carry the CardioMessenger inside the breast pocket of your shirt or jacket, and do not place it directly on your skin.Warning! According to government regulations, the charging station of the CardioMessenger may not be operated within a distance of 1.5 m (5 feet) of a patient in a hospital environment. At home, this restriction does not apply.Caution! Protect the CardioMessenger and charging station from:- Water and high humidity (e.g., in the bathroom)- Temperatures above 40° C (104º F)- Temperatures below -5° C (23° F) CardioMessenger.book  Page 38  Tuesday, May 2, 2006  5:05 PM
39(mobile operation for CardioMessenger)- Barometric pressure below 700 and above 1060 hPa- Violent shocks or other strong mechanical influences- Intensive light sources (direct sunlight, strong halogen emitters)-Solvents, acids, detergents, and lyesCaution! Never use the CardioMessenger if it has been damaged; return it to your physician.Before use, make sure that none of the components are visibly damaged and that all necessary components have been delivered to you. Additional information can be found in „Included Equipment" on page 4.Caution! The CardioMessenger may only be opened and repaired by authorized trained personnel, and the rechargeable batteries may only be exchanged by professionals.Note: For proper operation, the CardioMessenger must be put into the charging station for at least three and a half hours each day.CardioMessenger.book  Page 39  Tuesday, May 2, 2006  5:05 PM
40Guidelines USAYour implant is equipped with a radio frequency (RF) transceiver for wireless communications to the CardioMessenger. These messages are transmitted via an RF assigned by the Federal Communications Commission's (FCC) Medical Implant Communications Service (MICS)1). The transmitter is authorized by rule of the Medical Implant Communications service (47 CFR Part 95) and must not cause harmful interference to stations operating in the 400.150 - 406.000 MHz band in the meteorological aids (i.e., transmitters and receivers used to communicate weather data), the meteorological satellite, or the earth exploration satellite services and must accept interference that may be caused by such aids, including interference that may cause undesired operation. This transceiver shall be used only in accordance with the FCC rules governing the Medical Implant Communications Service.Analog and digital voice communications are prohibited. Although this transceiver has been approved by the Federal Communications Commission, there is no guarantee that it will not receive interference or that any particular transmission from this transceiver will be free from interference.The FCC ID number for the CardioMessenger is QRICM06-1.The FCC ID number for the cable modem in the charging station is AU7MD04B2456.1)  Federal Communications Commission for Medical Implant Communications ServiceCardioMessenger.book  Page 40  Tuesday, May 2, 2006  5:05 PM
41The CardioMessenger, as well as the implant itself, must conform to appropriate government standards and regulations.The CardioMessenger uses a GSM modem that connects to the mobile cellular telephone service at 850/1900 MHz. BIOTRONIK uses the modem according to the specifications of the manufacturer in compliance with FCC approval requirements.FCC RF Exposure RequirementsThis device has been tested for operation when worn on the body and meets the FCC RF exposure guidelines when used with BIOTRONIK accessories supplied or designated for this product. Use of other accessories may not ensure compliance with FCC RF exposure guidelines. This EUT (Equipment Under Test) has been shown to be capable of compliance for localized specific absorption rate (SAR) for uncontrolled environment/ general population exposure limits specified in ANSI/ IEEE Std. C95.1-1992 and had been tested in accordance with the measurement procedures specified in FCC/OET Bulletin 65 Supplement C (2001) and IEEE Std. 1528-200X (Draft 6.5, January 2002).CanadaThe CardioMessenger is registered at Industry Canada with the following number: IC: 4708A-CM06V1.The cable modem in the charging station is registered at Industry Canada with the following number: IC: 125A-0008.CardioMessenger.book  Page 41  Tuesday, May 2, 2006  5:05 PM
42The term "IC:" before the certification/registration number only signifies that the Industry Canada technical specifications were met. Note: This device may not interfere with stations operating in the 400.150-406.000 MHz band in the meteorological aids, meteorological-satellite, and earth exploration-satellite services and must accept any interference received, including interference that may cause undesired operation.In addition, the CardioMessenger contains a GSM modem (Motorola g24) that establishes the connection to the cellular network at the frequencies of 900/1800 MHz. BIOTRONIK uses the modem in accordance with the manufacturer’s specifications and in compliance with the approval requirements.The GSM modem has been evaluated and approved by an independent authority for its compliance with the statutory regulations. As an indication of this, it carries the following approval mark(IMEI Number: 35726200-xxxxxx-x):Electromagnetic CompatibilityNote: The CardioMessenger is protected from disturbances resulting from electromagnetic interference, electrostatic discharges, and other sources – including interference induced by cables. Interfering emissions from the CardioMessenger have been minimized. The CardioMessenger therefore meets the requirements of EN 60601-1-2 in every respect.CardioMessenger.book  Page 42  Tuesday, May 2, 2006  5:05 PM
43Warning! Other equipment, including portable and mobile RF radiocommunications equipment may interfere with the CardioMessenger, even if this equipment complies with CISPR emission requirements. However, this possible interference does not affect the implant functionality. WarrantyThe CardioMessenger and all original components by BIOTRONIK are not subject to warranty when used improperly or stored and transported incorrectly. Use only the original packaging when shipping the device.CardioMessenger.book  Page 43  Tuesday, May 2, 2006  5:05 PM
44Technical DataGeneral2Class of protection: II2Operating mode: Continuous operationPermissible Environmental ConditionsDuring Operation:2Temperature: - 5° C (23° F) to + 40° C (104° F) (remote unit)0° C (32° F) to + 40° C (104° F) (charging station)2Relative humidity: 30% to 75% (non-condensing)2Atmospheric pressure: 700 hPa to 1060 hPaShipping and Storage:2Temperature: - 20°C (- 4° F) to + 60° C (140° F) 2Relative humidity: 30% to 75% (non-condensing)2Atmospheric pressure:700hPa to 1060hPaCardioMessenger Remote Unit2Dimensions (WxHxD): 60 x 132 x 45 mm2Charging voltage: 5,2 V DC / 0.8 A2Max. charge time: 3.5 hours2Interfaces: Serial infrared port and IrDA1.0 standard2MICS: Modulation FSKCardioMessenger.book  Page 44  Tuesday, May 2, 2006  5:05 PM
452MICS frequencies:402 - 405 MHz, 9 channels, 300 kHz band width2MICS transmission power: 25 µW EIRP2GSM: Modulation GMSK2GSM frequencies: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz, 9,6 kHz band width2GSM transmission power:0.8 Watt (850 MHz); 2 Watt (900 MHz); 1 Watt (1800/1900 MHz)CardioMessenger Charging Station2Dimensions (WxHxD): 90 x 82 x 105 mm2Input voltage: 6 V DC / 1 A2Output voltage: 5.2 V DC / 1 ARechargeable Battery (integrated)2Type: Lithium ions (CGA 103460A) 2Dimensions (WxHxD):approx. 36.5 x 64.5 x 12 mm2Operating voltage: 3.6 V (nominal)2Charging voltage: 4.1 V DC2Max. charging current: 2 A2Capacity: 1850 mAh or morePower Supply2Type: FW 7555M/062Dimensions: 51.5 x 87.5 x 34 mm2Power cable in m: 2.02Connector type to the device: According to EN 60320/C82Input voltage: 100 - 240 V AC at 50 - 60 Hz, 400 mA2Output voltage: 6 V DC / 2.1 ACardioMessenger.book  Page 45  Tuesday, May 2, 2006  5:05 PM
46AppendixElectromagnetic emitted interference according to IEC 601-1-2The CardioMessenger is suitable for operation in the indicated electromagnetic environment. The customer and/or operator of the CardioMessenger should make sure that it is used in an electromagnetic environment as described below.Measuring the interference Compliance Guidelines for the Electromagnetic EnvironmentHigh-frequency interference according to CISPR 11 Group 1 The CardioMessenger uses RF energy only for its internal function. Therefore, the HF interference is very low and not likely to cause any interference in nearby electronic equipment.High-frequency interference according to CISPR 11 Class B The CardioMessenger is suitable for use in all areas, including living space and those areas that are directly connected to a public power supply system that also supplies buildings intended for residential purposes.Interference of harmonics according to IEC 61000-3-2 Class A according to IEC 61000-3-2Voltage fluctuations/ flicker emissions according to IEC 61000-3-3CompliesCardioMessenger.book  Page 46  Tuesday, May 2, 2006  5:05 PM
47Electromagnetic emitted interference according to IEC 601-1-2The CardioMessenger is suitable for operation in the indicated electromagnetic environment. The customer and/or operator of the CardioMessenger should make sure that it is used in an electromagnetic environment as described below.Testing resistance to interferenceTest level according to IEC 60601-1-2Conformance level Guidelines for the electromagnetic environmentConducted RF interference according toIEC 61000-4-63Veff150 kHz to 80 MHz Same as test level The minimum distance of the CardioMessenger from portable and mobile radio devices, including the cables, should correspond to the recommended safe distance that is calculated according to the equation for the suitable transmission frequency. Recommended safe distance:D= 1,17Radiated RF interference according to IEC61000-4-33V/m80 MHz to 2.5 GHz Same as test level D= 1,17  for 80 to 800 MHzD= 2,34  for 800 MHz to 2.5 GHz with P as the nominal output of the transmitter in Watts (W) according to the information from the transmitter manufacturer, and d as the recommended safe distance in meters (m).The field strength of stationary transmitting devices should be measured on sitea and must be lower than the compliance level at all frequenciesb.Interference can be generated when the CardioMessenger is close to devices that have the following warning sign:Note: The higher frequency range applies at 80MHz and at 800MHz.Note: These guidelines may not be applicable in all cases. The spread of electromagnetic waves is influenced by absorption and reflection from buildings, objects, and humans.pppCardioMessenger.book  Page 47  Tuesday, May 2, 2006  5:05 PM
48a. Field strengths from fixed transmitters, such as base stations for radio (cellular(/cordless) telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy.To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the CardioMessenger is used exceeds the applicable RF compliance level above, the CardioMessenger should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the CardioMessenger.b. Above the frequency range of 150KHz to 80MHz, ensure that field strengths are less than 3V/m.CardioMessenger.book  Page 48  Tuesday, May 2, 2006  5:05 PM
49Electromagnetic emitted interference according to IEC 601-1-2The CardioMessenger is suitable for operation in the indicated electromagnetic environment. The customer and/or operator of the CardioMessenger should make sure that it is used in an electromagnetic environment as described below.Checkingimmunity to noise Test level according to IEC 60601-1-2 Conformance level Guidelines for the electromagnetic environmentDischarge of static electricity (ESD)According to IEC 61000-4-2± 6 kV contact discharge±8 kV air dischargeSame as test level Floors should be made of wood or cement, or have ceramic tiles. When the floor consists of a synthetic material, the relative humidity must be at least 30%.Rapid transient electrical disturbances/burstsAccording to IEC 61000-4-4± 2 kV forpower supply lines± 1 kV for input/output linesSame as the test level The quality of the supply voltage should correspond to that in a typical business and/or hospital.SurgeAccording to IEC 61000-4-5±1kV normal mode voltage± 2 kV common mode voltageSame as the test level The quality of the supply voltage should correspond to that in a typical business and/or hospital.CardioMessenger.book  Page 49  Tuesday, May 2, 2006  5:05 PM
50Voltage dips, brief interruptions and fluctuations in the supply voltageAccording to IEC 61000-4-11‹ 5% UT for1/2 cycle(› 95% drop)40% UT for 5 periods(60% drop)70% UT for 25 periods(30% drop)‹ 5% UT for 5 s(› 95% drop)Same as the test level The quality of the supply voltage should correspond to that in a typical business and/or hospital. The CardioMessenger is powered by a battery. An interruption in the supply voltage to the power supply unit will not impair the functioning of the CardioMessenger.Magnetic field at the supply frequencies (50/60 Hz)According to IEC 61000-4-83A/m Same as the test level The magnetic field strength should correspond to the typical value in business and hospital environments.Comment: UT is the mains alternating voltage before applying the test levels.Checkingimmunity to noise Test level according to IEC 60601-1-2 Conformance level Guidelines for the electromagnetic environmentCardioMessenger.book  Page 50  Tuesday, May 2, 2006  5:05 PM
51Recommended separation distances between portable and mobile RF communications equipment and the CardioMessenger Transmission frequency 150 kHz to 80 MHz 80 kHz to 800 MHz 800 MHz to 2.5 GHzEquation D= 1,17 : D= 1,17 : D= 2,34 :Rated power of transmitter (W) Safe distance (m) Safe distance (m) Safe distance (m)0.01 0.12 0.12 0.240.1 0.37 0.37 0.741 1.17 1.17 2.3410 3.7 3.7 7.4100 11.7 11.7 23.4For transmitters whose maximum nominal output is not indicated in the above table, the distance can be calculated using the equation in the column, where P is the maximum nominal output of the transmitter in Watts (W) according to the transmitter’s manufacturer.Note: The higher frequency range applies at 80MHz and at 800MHz.Note: These guidelines may not be applicable in all cases. The propagation of electromagnetic values is affected by absorption and reflection by structures, objects and people.p p pCardioMessenger.book  Page 51  Tuesday, May 2, 2006  5:05 PM

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