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Valleylab LigaSure - Service Manual

Valleylab LigaSure
168 pages
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Table of Contents

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Do you have a question about the Valleylab LigaSure and is the answer not in the manual?

Summary

Service Personnel Safety

Warnings, Cautions, and Notices

Key safety alerts detailing hazards and precautions for equipment use.

Safety Alerts and Hazards

Covers general warnings, accessory, fire, and electric shock hazards.

Controls, Indicators, and Receptacles

Front Panel

Description of domestic and international front panel layouts and features.

Rear Panel

Overview of rear panel controls and receptacles like speaker and volume knob.

Technical Specifications

Performance Characteristics

Details on output configuration, cooling, display, dimensions, weight, and operating parameters.

Low Frequency Leakage Current

Leakage current specifications per AAMI HF-18-1993.

High Frequency Leakage Current

Leakage current specifications per IEC 60601-2-2.

Input Power

Specifications for 120V and 240V input power, including voltage and current.

Standards and IEC Classifications

Details compliance with medical device standards like IEC 60601-1.

Output Characteristics

Specifies maximum generator output voltage, current, and power settings.

Principles of Operation

Functional Overview

Explains how the LigaSure system functions and its key features.

Control Board

Details the circuitry and microcontrollers on the control board.

RF Board

Details the RF board's role in generating RF energy for all operative modes.

Setup, Tests, and Adjustments

Setting Up the Generator

Procedure for connecting and powering on the generator.

Periodic Safety Check

Steps for performing safety checks every six months.

Using the RS-232 Serial Port

Instructions for establishing communication and entering commands.

Testing the Generator

Procedure for verifying generator calibration and operation via self-test.

Checking Low Frequency Leakage

Procedure for checking low frequency leakage and ground resistance.

Checking High Frequency Leakage

Procedure for checking high frequency leakage and ground resistance.

Calibrating the LigaSure Generator

Steps involved in calibrating the generator for accuracy.

Troubleshooting

Inspecting the Generator

Visual inspection for physical damage and connection issues.

Correcting Malfunctions

Table of common malfunctions and their recommended corrective actions.

Responding to System Alarms

Guidance on interpreting and resolving system alarm codes.

Replacement Procedures

High Voltage Power Supply Board

Procedure for removing and installing the HV power supply board.

Service Parts

Valleylab LigaSure Specifications

General IconGeneral
Generator CompatibilityLigaSure Generator
Sealing CapabilitySeals vessels up to 7 mm in diameter
Sealing TimeTypically 2-4 seconds
DisplayGenerator-dependent
FootswitchGenerator-dependent
Safety FeaturesAutomatic shutdown, tissue sensing technology
Power RequirementsGenerator-dependent

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