Mettler Electronics Sonicator Plus 992 Manual de usuario

Sonicator®Plus 992

Maintenance Manual

1333 South Claudina Street • Anaheim, CA 92805, U. S. A.

US Toll Free: (800) 854–9305 • Telephone: 1 (714) 533–2221 • FAX: 1 (714) 635–7539

Mettler Electronics’ World Wide Web Site: http://www.mettlerelec.com

IR7–95 April, 1999

Mettler Electronics Corp.

Sonicator Plus 992 Maintenance Manual

Table Of Contents

Section Title

Page

1Introduction 5

2Symbol Glossary and List of Abbreviations

2.1 Symbol Glossary

2.2 Treatment Status Indicator Icons

2.3 List of Abbreviations 11

3Specifications

3.1 General Specifications

3.2 Ultrasonic Generator Specifications

3.3 Ultrasonic Applicator Specifications

3.4 Waveform Specifications

3.5 Amplitude Modulation Specifications 20

4Precautions 21

5Equipment Description 23

6Theory of Operation 25

7Installation Instructions 27

8Operating Instructions

8.1 A Note About Electrodes

8.2 General Operating Instructions

8.3 General Set-up Procedure

8.4 Stimulation Set-up Procedure

8.5 Ultrasound Set-up Procedure

8.6 Combination Therapy Set-up Procedure

8.7 Electrode Positioning 39

9Maintenance and Troubleshooting

9.1 Cleaning the Sonicator Plus 992

9.2 Routine Maintenance

9.3 Troubleshooting the Sonicator Plus 992 41

10 Test And Calibration Procedure

10.1 Required Equipment

10.2 Preliminary Tests

10.3 Diagnostic Tests

10.4 Ultrasound Output Tests

10.5 Ultrasound Error Tests

10.6 Stimulation Treatment Mode Output Tests

10.7 Stimulation Recip and Surge Tests

10.8 Stimulation Error Tests

10.9 EEProm Memory Test

10.10 Combination Output Tests

10.11 Input Current Test

10.12 Burn-In

10.13 Final Adjustment

10.14 Safety Tests

10.15 Final Operational Check 56

11 Parts Replacement

11.1 Chassis Disassembly

11.2 Bottom Cover Removal

11.3 Chassis Bottom Components Servicing

11.4 Chassis Top Components Servicing 58

12 Parts

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13 Accessories

13.1 Ordering Information

13.2 Sonicator Plus Accessories 63

Appendix A Measuring Ultrasound Power Output 65

Appendix B Ultrasound Applicator Repair 66

Appendix C Result Codes for Keyboard Test 67

List of Figures

No. Title

Page

1.1 Sonicator Plus 992 and Accessories 5

3.1 Pulse Waveform—20% Duty Cycle 14

3.2 Pulse Waveform—50% Duty Cycle 14

3.3 Continuous Waveform 15

3.4 10 cm² Applicator (1 MHz), ME 7310—Three Dimensional Beam Pattern 15

3.5 5 cm² Applicator (1 MHz), ME 7513—Three Dimensional Beam Pattern 16

3.6 5 cm² Applicator (3.2 MHz), ME 7513—Three Dimensional Beam Pattern 16

3.7 1 cm² Applicator (3.3 MHz), ME 7331—Three Dimensional Beam Pattern 16

3.8 Interferential Waveform (Sine Wave) 17

3.9 Premodulated Waveform 17

3.10 Medium Frequency Waveform (Russian) 18

3.11 Biphasic (TNS) Waveform 18

3.12 High Volt Waveform 19

3.13 Microcurrent Waveform 19

6.1 Sonicator Plus 992 Block Diagram 26

7.1 Sonicator Plus 992, Rear view, Mains Power Switch and Line cord connections 28

7.2 Sonicator Plus 992, Front View—Electrode Cable and Ultrasound Applicator

Connections 28

7.3 Connecting the Applicator to the Universal Applicator Cable 28

8.1 Front membrane panel and LED indicators 29

8.2 Electrode Sizes and Current Density 30

8.3 Quadpolar Electrode Placement Technique 39

8.4 Bipolar Electrode Placement Technique 39

8.5 Monopolar Electrode Placement Technique 40

8.6 Using the Pencil Electrode 40

B.1 Applicator Top Assembly 66

Sonicator Plus 992 Maintenance Manual

Section 1—Introduction

Sonicator Plus 992 servicing should be done at the factory.

If it is not possible to return the Sonicator Plus 992 to the factory, this service manual may be

used to troubleshoot to the major subassembly level. Discrepant subassemblies can then be

repaired by ordering them from the factory as an alternative to returning the complete system.

This manual is intended for service technicians who perform preventive and corrective

maintenance on medical devices using appropriate electronic test and measurement equipment.

It should be read in its entirety before attempting to service the Sonicator Plus 992.

For technical assistance, call our Service Department at:

Toll Free: (800) 854–9305, USA

Phone: 1 (714) 533–2221

FAX: 1 (714) 635–7539

Figure 1.1—Sonicator Plus 992

Mettler Electronics Corp.

Sonicator Plus 992 Maintenance Manual

Section 2—Symbol Glossary and List of

Abbreviations

2.1 Symbol Glossary

Electrical Stimulation Selector

Therapeutic Ultrasound Selector

Combination Therapy Selector

Time display

15.00

min s

Time display LED’s. Displays treatment time and numeric values for

frequency, phase duration, on/off times and alphanumeric error codes.

These LED’s will illuminate to prompt the clinician to input either time in

seconds or microseconds or frequency in Hz. The time or the frequency will be

displayed in the numeric time display.

Treatment Status Indicator

Channel display indicator and selector

Ultrasound display indicator and selector

Numeric keypad for time, frequency or phase duration entry.

Starts treatment and stimulation or ultrasound output.

Stops treatment for the treatment displayed in timer window or acts as an

“Enter” button during treatment setup.

Stops all ultrasound and stimulation output.

Active ultrasound output indicator on solid when ultrasound output is

present, flashing when coupling is inadequate.

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1 MHz

3 MHz

Frequency selector for 5 cm² 1 and 3 MHz applicator. Displays frequency for

all applicators.

W/cm²

Ultrasound output display selector

100%

50%

20%

Ultrasound duty cycle selector

Interferential waveform selector—LED is illuminated when this function is

activated.

Premodulated waveform selector—LED is illuminated when this function is

activated.

Medium frequency waveform selector—LED is illuminated when this function

is activated.

Symmetrical biphasic (TNS) waveform selector—LED is illuminated when this

function is activated.

High volt waveform selector—LED is illuminated when this function is

activated.

Microcurrent waveform selector—LED is illuminated when this function is

activated.

Phase duration control selector—Press this button during a biphasic (TNS)

treatment to display phase duration.

HzFrequency control selector—Press this button during a stimulation treatment

to display frequency.

–

Polarity selector for high volt and microcurrent waveforms.

Amplitude modulation (Vector rotation) used for interferential waveform only.

LED is illuminated when this function is activated.

Continuous stimulation selector

Surge selector to set on and off times

Sonicator Plus 992 Maintenance Manual

Reciprocation selector, use for channel pair 1 & 2

Stimulation or ultrasound output displays

000

LED’s that display the output intensity during a treatment. When the unit is

in the “Hold” mode for electrical stimulation, or ultrasound for CE models, “---

---“ will be displayed. When the unit is in the “Hold” mode for therapeutic

ultrasound, the output intensity will be displayed but the “Active Ultrasound

Output” indicator will be off and the timer will not be running.

LED indicators are lit to define which output intensity is being displayed in

the two windows.

W/cm²

mALED indicators are lit to show the measurement units of the output intensity

being displayed in the window.

Output intensity control knob, rotate knob clockwise to increase output and

counterclockwise to decrease output.

IMains On.

OMains Off.

Attention, consult instruction manual.

Type BF Equipment—Class I

IPX0 Not suitable for use in the presence of a flammable anesthetic mixture with

air or with oxygen or nitrous oxide.

IPX7 Protected against the effects of immersion.

ETL Listed

C–ETL Listed

0197 CE Mark

2.2 Treatment Status Indicator Icons

Stimulation selected, waiting for waveform type to be selected.

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Ultrasound selected

Combination therapy selected, waiting for waveform type to be selected.

Interferential waveform selected. Display will move to the right when the

outputs are active.

Interferential vector rotation control selected. Display appears to rotate.

Premodulated waveform selected. Display will move to the right when the

outputs are active.

Premodulated waveform selected for combination therapy. Display will move

to the right when the outputs are active.

Medium frequency (Russian) waveform selected. Display will move to the right

when the outputs are active.

Medium frequency (Russian) waveform selected for combination therapy.

Display will move to the right when the outputs are active.

Biphasic (TNS) waveform selected. Display will move to the right when the

outputs are active.

Biphasic (TNS) waveform selected for combination therapy. Display will move

to the right when the outputs are active.

High volt waveform selected. Display will move to the right when the outputs

are active.

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