CARDIAC/NEURO INSTRUMENTATION LABCARDIOLIFE DEFIBRILLATOR LAB 5

BMET 221

LAB 5 CARDIOLIFE DEFIBRILLATOR

NAME:________________ DATE:___________

Equipment Needed: Dynatech Nevada Safety AnalyzerBio-Tek QED-6 Defibrillator AnalyzerCARDIOLIFE DEFIBRILLATOROscilloscope, DVM, Signal Generator

Resistors: 100K ohm 1/2W, 100 ohm 1/2WLab Procedure:1. ___ Locate the equipment needed.

1a. ___ Read the Specification Data for the Cardiolife, section 11, 107-114 Operators manual.

1b. ___ Read the Functional Descriptions of the Cardiolife, sec.10, 101-106 Operators manual.2. ___ In the bench area, connect each device to power and perform an Electrical Safety Test. 2a. ___ GROUND WIRE RESISTANCE (100 milliohms Limit) ________ 2b. ___ CHASSIS LEAKAGE (10 uA Limit) ________ 2c. ___ PATIENT LEAD (10 uA Limit)

________3. ___ Read section 6 of the Cardiolife Defibrillator Service Manual (Disassembly) 4. ___ Read section 2 of the DEFIBRILLATOR ANALYZER MANUAL.5. ___ Perform required adjustments as listed in the Service Manual.

5a. ___ ECG/CPU Board 5-1-1 thru 5-1-7 5b. ___ High Voltage Board 5-3-1 thru 5-3-4

5c. ___ CRT Display Adjustment 5-4-2 thru 5-4-45d. ___ Motor Control Board 5-5-1 thru 5-5-25e. ___ Thermal Head Replacement & Alignment ( 5-6-2 0nly )

6. ___ Re-assemble the Cardiolife and run the SELF TEST, Section 4, Service Manual.7. ___ Perform another Electrical Safety Check after re-assembling the device.

7a. ___ GROUND WIRE RESISTANCE (100 milliohms Limit) __________7b. ___ CHASSIS LEAKAGE (10 uA Limit) __________7c. ___ PATIENT LEAD (10 uA Limit) __________

8. ___ Contact the Biomedical Instructor and demonstrate the correct nomenclature identification and proper operation of the Cardiolife Defibrillator. Inst Init: ________9. ___ Demonstrate to the Biomedical Instructor the proper method of using the Bio-Tek QED-6 Defibrillator Analyzer to check the CARDIOLIFE for proper operation. Inst Init: ________10. ___ Develop a Preventive Maintenance Checklist for the CARDIOLIFE Defibrillator, that includes a parts needed list, PM Timing intervals and a itemized check list of the PM.11. ___ Return all equipment to it's proper place on the shelf.

DIRECTED QUESTIONS ON CONTENT:--- Cardiolife Defibrillator. ---Using the Operator Manual, Guide to Correct Operation Manual, and Service Manual (open book) answer or respond to the following questions.

a. What is the maximum charge setting on the cardio-life defibrillator? __________________

b. Is the TEC-7300 able to use internal paddles? ______________

c. How many charge settings are there on the Cardiolife TEC-7300? ______________________

d. What is the energy setting for the built-in test on the TEC-7300? _______________________

e. What is the charge time for the TEC-7300 with AC power supply? _____________________

f. What type of battery and what is the part number of the battery used to power the TEC-7300? _______________________ __________________________

g. On the CRT CPU chip, pin number 10 controls what function? _______________________

h. What function does the symbol RCVFLT stand for? ________________________________

i. What is the input signal to pin 17 on the UPD-7004C 10-bit A/D converter? _________________________________________________________________

j. What is the Cardiolife part number of the 25 volt 6800 uF capacitor in circuit number C507 on board UP-7851? ___________________________

k. What is the component, part number 1090329, on board UP-76351 in circuit ZD251? _________________________________________________________________

l. UPC811C and UPC812C are what type of IC chips? _________________________________

m. UPD 74HC4040C is what type of device? _________________________________________

n. What happens if Pin number 6 on the HD 637B01X0 CPU chip goes low? _________________________________________________________________

o. List the three methods of defibrillation?1. _________________________________________2. _________________________________________3. _________________________________________DEMONSTRATION OF MEDICAL EQUIPMENT:

1. Demonstrate the ability to check the power supply voltage +12 Vb and how to adjust if out of specifications.

2. If the internal discharge relay is not working properly, what would be the symptoms on the tec7300 defibrillator? Use manual to prove.

3. Demonstrate what changed on the crt driver board with the factory upgrade UP 7740 DWG NO. 105662A to 105662B.

4. Demonstrate the ability to do a delivered energy check.5. In general terms, what do you think would happen if C301 on the ecg/cpu

board would short to ground?