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Table 3.3 Expected Test Point Readings

Board Location

Nominal-Reading

Tolerance

Description/Comments

TP1

0 VDC

N/A

GND – Digital ground

TP2

14 VDC

±1 VDC

Main DC supply voltage

TP3

AC Line Voltage

N/A

AC power supply common

TP4

0 VDC

N/A

Digital ground

TP5

0 VDC

N/A

Digital ground

TP6

14 VDC

±1 VDC

Main DC supply voltage

TP7

4.4 VDC

±0.5 VDC

Audio amp output resting voltage

TP8

11 to 14 VDC

±1.0 VDC

Power ON/STANDBY – unit ON

0 VDC

N/A

Power ON/STANDBY – unit STANDBY

TP9

5 VDC

±0.5 VDC

Digital 5 V power

TP10

0 VDC

N/A

Analog ground

TP11

5 VDC

±0.5 VDC

Supply voltage for U12 and U8

TP12

4.096 VDC

±0.1 VDC

Transducer(s) reference voltage

TP13

5 VDC

±0.5 VDC

Transducer(s) voltage supply

TP14

12 to 14 VDC

1.0 VDC

Battery/AC supply output

TP15

5 VDC

±0.5 VDC

Reset – U14 or U7

TP16

11 to 14 VDC

±1.0 VDC

Pneumatics control ON/OFF

TP17

32.768 kHz

N/A

Oscillator square wave

TP18

N/A

N/A

Factory use only

TP19

0 VDC

N/A

Digital ground

TP20

N/A

N/A

Factory use only

TP21

26.4 to 27.5 VDC

±1.0 VDC

Boost supply for battery charger

TP22

5 VDC

±0.5 VDC

Supply voltage for battery charger

TP23

5 VDC

±0.5 VDC

ON/STANDBY switch = OPEN

0 VDC

N/A

ON/STANDBY switch = CLOSED

TP24

4 to 5 VDC

±0.5 VDC

Power ON control signal to Q10 = ON

0 VDC

Power ON control signal to Q10 = STANDBY

TP25

0 VDC

N/A

Digital ground

NOTE: USE TP1 (GND – DIGITAL GROUND) AS VOLTAGE REFERENCE FOR ALL DIGITAL MEASUREMENTS
AND TP10 (ANALOG GROUND) FOR ALL ANALOG MEASUREMENTS.

CAUTION: HIGH VOLTAGE ELECTRICAL HAZARD. HIGH VOLTAGE WILL BE PRESENT ON THE
POWER INPUT MODULE AND CONTROL BOARD. ALL SERVICE WORK MUST BE COMPLETED BY
QUALIFIED TECHNICIANS.

NOTE: If the unit is locked in a failure, not all test voltages will be valid. For instance if the unit is experiencing valve
trouble, the pneumatic voltage will not be the normal reading but rather a post failure reading which could be erratic.
Above voltages are listed for normal readings because failure readings will likely be unpredictable.

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A.T.S. 1200 TOURNIQUET SYSTEM

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Содержание 60-1200-101-00

Страница 1: ...Operator Service Manual A T S 1200 TOURNIQUET SYSTEM REF 60 1200 101 00 ...

Страница 2: ...r Inc be liable for any special incidental or consequential damages whether based on breach of warranty or other legal theory whether or not such damages are foreseeable Some states do not allow limitations on warranties or on remedies for breach in certain transactions In such states the limits in this paragraph and the preceding paragraph do not apply WARRANTY CLAIMS In the event of a warranty c...

Страница 3: ...libration Check 8 2 5 Pressure and Time Defaults 9 2 6 Single Cuff Operation 10 2 7 Dual Cuff Operation 11 2 8 Bier Block Cuff Operation IVRA 11 2 9 Alarm Conditions 11 3 0 MAINTENANCE 3 1 General Maintenance Information 15 3 2 Access to Parts 15 3 3 Periodic Maintenance 15 3 4 Calibration 15 3 5 Leak Testing 17 3 6 Battery Voltage and Battery Service 17 3 7 Unscheduled Maintenance 18 3 8 Troubles...

Страница 4: ...verview front 23 2 A T S 1200 Tourniquet Overview rear 24 3 Calibration Setup Overview 25 4 Disassembly front case opening 26 5 Disassembly front case removal 26 6 Disassembly disconnecting wiring 26 7 Disassembly rear case removal 26 8 Disassembly overview 27 9 Electronic circuit layout 28 10 Labels 30 SCHEMATICS Sheet 1 Control Board ENCLOSED Sheet 2 Control Board ENCLOSED 2 ...

Страница 5: ...e pressure set point Can also be pressed to verify the set point TIME Button Used in conjunction with the ROTARY knob to adjust the time alarm set point Can also be pressed to verify the set point MAIN CUFF INFLATE DEFLATE Buttons Controls inflation or deflation of the Main cuff Orange LED bar indicates inflation of the main cuff or pressure alarm in the main cuff when flashing in conjunction with...

Страница 6: ...ent light emitting diodes LED Displays pressure setting sensed cuff pressure and hardware failure conditions other messages TIME Display Red 14 segment light emitting diodes LED Displays time alarm set point elapsed time and hardware failure conditions other messages UL 60601 1 Classification When the unit is operating on backup battery the type of protection against electric shock changes to inte...

Страница 7: ...ill cause bacteria exotoxins or malignant cells to spread to the general circulation or where it could dislodge thromboemboli that may have formed in the vessels The tourniquet cuff must be applied in the proper location on the limb for a safe period of time and within an appropriate pressure range Never apply a tourniquet over the area of the peroneal nerve or over the knee or ankle Do not readju...

Страница 8: ... body level Whenever IVRA Bier Block anesthesia is used it is recommended that the tourniquet remain inflated for at least 20 minutes from the time of injection WARNING Cuffs will not deflate in STANDBY mode Ensure cuffs are fully deflated before setting the unit to STANDBY 1 5 ADVERSE EFFECTS A dull aching pain tourniquet pain may develop throughout the limb following use Pathophysiologic changes...

Страница 9: ...tely 2 seconds before the unit will allow a cuff to deflate 7 SECOND CUFF INFLATE button Inflation of the Second cuff is initiated by depressing the blue INFLATE button 8 SECOND CUFF DEFLATE button Deflation of the Second cuff is initiated by depressing the blue DEFLATE button For greater safety the DEFLATE button has a delay and therefore must be held for approximately 2 seconds before the unit w...

Страница 10: ...ays followed by the text ATS 1200 on the respective display b The unit emits tones when 0 0 0 0 and text is displayed c The unit will display SELF TEST for an instant The unit is self testing specific system hardware and software d CAL is displayed in the PRESSURE displays during the calibration check e 0 is displayed in the PRESSURE and TIME display after the startup routing is complete If a numb...

Страница 11: ...se the pressure to 250 mmHg The PRESSURE display should read 250 5 mmHg n Increase the pressure to 475 mmHg The PRESSURE display should read 475 5 mmHg o Remove the calibration hose from the unit The PRESSURE display should now read 0 mmHg NOTE If any reading is off by more than 5 mm Hg during the calibration check the unit must be calibrated See CALIBRATION in MAINTENANCE Section 3 p At this poin...

Страница 12: ...pressure during the procedure 4 Prepare the patient in accordance with your established procedures and cuff manufacturer s instructions The precautions of Section 1 and the following are offered as a guide to assist in this process In most cases a tourniquet cuff should be applied to the widest part of the limb to allow as much tissue as possible to lie between the cuff and any nerves or vascular ...

Страница 13: ...ere is a significant leak in the original cuff this feature could cause the inflation rate of the subsequent cuff to be longer and perhaps even cause the 30 second inflation alarm to sound The display shows the pressure in the inflated cuff so as to allow the operator to view the progress of inflation 6 When both cuffs are inflated the display indicates an average of the pressures sensed in the tw...

Страница 14: ...lude that a hardware failure has occurred rendering the unit unusable The appropriate action is to set the unit to STANDBY by pressing the ON STANDBY button Since this removes power from the internal instrument circuitry all instrument functions commands to the valves and pump will cease This will cause the cuff to hold pressure in the absence of leaks Clamp the cuff line with hemostats and replac...

Страница 15: ...k the set value or greater at power up to determine if it needs resetting CUFF NOT DEFLATED normal CUFF Check for kinks in hose If alarm persists Pressure in deflated cuff is NOT disconnect hose from cuff If attempting to set the a non zero value DEFL unit to STANDBY ensure that cuff is fully deflated LINE OCCLUSION LINE OCCL normal Check for hose kinks or other defects An occlusion is present in ...

Страница 16: ...vice the unit combination occurred WATCHDOG FAILURE WDT FAIL Cycle the ON STANDBY Button If problem Windowing watchdog system persists service the unit detected a malfunction SYSTEM FAILURE SYS FAIL Cycle the ON STANDBY Button If problem Internal diagnostic detected an error persists service the unit OVERPRESSURE OVER PRES Cycle the ON STANDBY Button If problem The PRESSURE button has detected per...

Страница 17: ...every six months 1 Cleaning The exterior of the unit may be cleaned with a cloth that has been dampened not dripping with a mild detergent The interior of the unit may be vacuumed or blown out as required The exterior of the cuff hose may be cleaned using a mild detergent solution or alcohol The interior of the cuff hoses should not be cleaned Tourniquet cuffs should be cleaned in accordance with ...

Страница 18: ...250 mm Hg to the unit s Main cuff port Once the pressure has stabilized press the PRESSURE button so the unit can calibrate the 250 mm Hg point The unit will beep to let the user know the set point was taken 8 Once the 250 mm Hg point is calibrated press the MAIN CUFF INFLATE button to advance the unit to the next pressure level The unit s TIME display will now be alternating between CAL and 475 A...

Страница 19: ...e steps in Section 2 4 Step 5 Calibration Check before using this unit on a patient 3 5 LEAK TESTING The A T S 1200 Tourniquet is capable of keeping a cuff with a substantial leak inflated Naturally it is desirable to keep plumbing leaks to an absolute minimum For this reason a check for significant leakage is recommended at regular intervals as well as following any service procedure After verify...

Страница 20: ...ailure that may occur is when an audible alarm occurs that cannot be silenced by the ALARM SILENCE button The valve and pump will be disabled which seals off the cuff to prevent pressure loss The displays may show random characters Should this occur the watch dog timer circuit of the safety processor has detected a problem The microprocessor may not be executing reliable instructions and is not ab...

Страница 21: ... not properly plugged into P8 f Defective AC MAINS indicator g Defective AC MAINS indicator circuitry 4 No flashing orange BATTERY indicator light a Unit running on AC b Membrane Panel not properly plugged into P8 c Defective BATTERY indicator d Defective BATTERY indicator circuitry 5 ALARM SILENCE button not working a Membrane panel not properly plugged into P8 b Non silenceable alarm System Fail...

Страница 22: ...ive battery charging circuitry 11 AMP FAIL alarm a Transducer s amplifier out of range b Battery fully depleted or defective c Extremely high pressure exerted on transducers 12 Unit cannot be set to STANDBY a Membrane panel not properly plugged into P8 b Pressure sensed in the Main or Second cuff unit will be alarming CUFF NOT DEFL c ON STANDBY not fully pressed d ON STANDBY button defective 13 Un...

Страница 23: ...ory use only TP19 0 VDC N A Digital ground TP20 N A N A Factory use only TP21 26 4 to 27 5 VDC 1 0 VDC Boost supply for battery charger TP22 5 VDC 0 5 VDC Supply voltage for battery charger TP23 5 VDC 0 5 VDC ON STANDBY switch OPEN 0 VDC N A ON STANDBY switch CLOSED TP24 4 to 5 VDC 0 5 VDC Power ON control signal to Q10 ON 0 VDC Power ON control signal to Q10 STANDBY TP25 0 VDC N A Digital ground ...

Страница 24: ...1263 Calibration Hose 0600 2002018 Plumbing Assembly 60 0938 003 00 A T S Stand 5 Wheel Caster Kit 60 2360 001 00 A T S Pole Clamp Knob w Screw 60 3000 001 00 A T S Cal Regulator Kit 60 7000 027 00 Backup Battery 60 8000 013 00 A T S 1200 Rear Housing w 5 Labels 60 8000 014 00 A T S 1200 Feet and Case Screws 60 8000 020 00 A T S 1200 Digital Encoder 60 8000 026 00 A T S 1200 Pole Clamp Assy 60 800...

Страница 25: ...tivation Button G ON STANDBY Button H Green AC MAINS Indicator I Orange BACKUP BATTERY Indicator J SECOND CUFF INFLATE DEFLATE Buttons K Second Cuff Port L Main Cuff Port M MAIN CUFF INFLATE DEFLATE Buttons N MAIN CUFF INFLATION Indicator O SECOND CUFF INFLATION Indicator P TIME Window displayed in minutes Q PRESSURE Window displayed in mm Hg 23 1 ...

Страница 26: ...R Power Cord S Cord Retaining Clip T Factory Test Port U Pole Clamp V Mains Fuse Block 24 2 ...

Страница 27: ...W Calibrated Pressure Meter with a range of 0 to 500 mm Hg X Pressure Regulator Source adjustable from 0 to 500 mm Hg Y Calibration Hose Included with Unit 25 3 ...

Страница 28: ... the front case 1 Carefully slide the front off the rear Disconnecting the wiring 1 Use caution when disconnecting the wiring Mark the wires before disconnecting or see Section 3 2 for proper re connect Removing the rear case 1 Remove 2 pole clamp screws on rear and 2 feet on bottom 4 5 6 7 ...

Страница 29: ...Rear Case separation 1 All components are easily accessed when the rear case is removed Reverse the process to reassemble Be extremely careful not to pinch any wiring or tubing when reassembling 8 27 ...

Страница 30: ...28 9 Control Board Layout ...

Страница 31: ...l Equipment with respect to electric shock fire and mechanical hazards only in accordance with UL 60601 1 CAN CSA C22 2 No 601 1 and IEC 60601 1 This product contains electrical or electronic materials The presence of these materials may if not disposed of properly have potential adverse affects on the environment Presence of this label on the product means it must not be disposed of in normal hou...

Страница 32: ...30 10 ...

Страница 33: ...SCHEMATICS ...

Страница 34: ...Revised 04 06 Zimmer Orthopaedic Surgical Products 2002 2006 Zimmer Orthopaedic Surgical Products Inc 200 West Ohio Avenue Printed in U S A P O Box 10 62 8000 015 00 ENG Dover Ohio 44622 U S A 0123 ...

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