Covidien VNUS RFGPLUS RFG2 Service Manual
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Covidien VNUS RFGPLUS RFG2 Service Manual

Radio frequency generator
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VNUS
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Radio Frequency Generator
RFG
Model RFG2 Service Manual
PLUS

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Summary of Contents for Covidien VNUS RFGPLUS RFG2

  • Page 1 VNUS ™ Radio Frequency Generator Model RFG2 Service Manual PLUS...

  • Page 2: Table Of Contents

    Description Table of Contents Front and Rear Panel Layout Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Front and Rear Panel Layout .

  • Page 3: System Overview

    System Overview Front Panel Interface Assembly (FPI) The VNUS RFG2 RF Generator supplies and controls the RF energy delivered to the RF Device . The RF The Front Panel Interface Circuitry consists of 2 circuit boards (the UI Horizontal and UI Vertical keypad Generator measures and displays RF output Power, load Impedance (ClosureRFS only), and elapsed time boards), and the RF switch circuitry, which is included on the UI board .

  • Page 4: Basic Inspection And Checkout Procedure

    DI - Double Insulation Functional Only - Insulation that does not perform a safety function Plastic RI - Reinforced Insulation Operating Assumptions for VNUS RFG2 RF Generator • The RF Generator should be used only with a Hospital Grade power cord and plugged into only Patient grounded, Hospital Grade AC sources .

  • Page 5: Electrical Safety Tests

    During the Power On Self Test (POST), the RF Generator performs a number of internal self-tests of its 3 . For source leakage and isolation tests, use the Biomed Test Cable to access patient connections . Short software: electrodes and thermocouple wires together for testing . 4 .

  • Page 6: Electromagnetic Compliance

    Electromagnetic Compliance Table 5: Electromagnetic Immunity Standards referenced in tables 4 and 5: Guidance and manufacturer’s declaration - electromagnetic immunity CISPR 11:2009 (Amended by A1:2010), Industrial, scientific and medical (ISM) radio-frequency equipment - Electromagnetic disturbance characteristics - Limits and methods of measurement The RF Generator is intended for use in the electromagnetic environment specified below . The customer or the user of the RF Generator should assure that it is used in such an environment .
  • Page 7 Guidance and manufacturer’s declaration - electromagnetic immunity Table 6: Separation Distances Conducted RF 3 Vrms 3 Vrms Portable and mobile RF IEC 61000-4-6 150 kHz to 80 MHz communications equipment should Recommended separation distances between portable and mobile be used no closer to any part of the RF communications equipment and the RF Generator RFG2, including cables, than the recommended separation distance...

  • Page 8: Biomedical Department Power Output Test

    Biomedical Department Power Output Test Power Delivery Verification VNUS has created a Biomedical Department Inspection Procedure for the testing of the VNUS RF This test is intended to verify the ability of the VNUS RF Generator to deliver RF energy . Generator .

  • Page 9: Error Codes

    Error Codes Error Code Description Corrective Action If an error occurs, the RF Generator displays an error code . An error will be one of two types: The RF Generator is unable to write Error 29 Data logging will be disabled . No user action required . unrecoverable or recoverable: data to the Multimedia Card (MMC) .

  • Page 10: Service And Maintenance

    Service and Maintenance Fuse Replacement The RF Generator uses two 4A/250V, slo-blo, 5x20 mm fuses . In the event of a fuse failure, replace the Cleaning and Disinfection fuses using the following procedure, as shown in Figure : Caution: Always unplug the AC Power cord prior to cleaning the RF Generator. Avoid spilling liquids into the Caution: Fuses must be replaced with 4A/250V, slo-blo, 5x20 mm fuses.

  • Page 11: Technical Specifications

    Technical Specifications Equipment Type The Class I RF Generator is designed to work with Type CF, Defibrillator-Proof RF Devices . The RF Generator is designed to withstand an application of an external defibrillator while the RF Device is in use . Electrical The RF Generator: • Operates from an AC Power source ranging from 100 to 240V RMS, 50 to 60 Hz.
  • Page 12 Power Output Peak Voltage (V) Max Power Set Point (W) @ 200 Power (W) Figure 8: Peak Output Voltage vs . Power Output Figure 9: Power Output vs . Power Set Point VNUS Radio Frequency Generator Service Manual...
  • Page 13 FIRE AND MECHANICAL HAZARDS ONLY IN ACCORDANCE WITH UL60601-1 CAN/CSA C22 . 2 NO . 6 01 . 1 75AK 0123 RM 55-441-01 REV . C 5799 Fontanoso Way San Jose, CA 95138 USA Tel: +1-408-360-7200 Toll Free: +1–888–797–VEIN (8346) Fax: +1-408-365-8470 Covidien Ireland Limited, IDA Business & Technology Park,Tullamore Customer Service Tel: +1-800-962-9888...

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