Surgical Electrotechnology

Presenter:Ren-Yui Chen

Adviser:Dr. Yi-Chun Du

Date:2014/12/03

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1

Outline

Introduction

Evolutionary

Results

Discussion&Conclusisions2

Introduction (1/5)

Electrosurgical Unit(ESU)-Evolution

Introduction ESU evolution from 1891-1980

First documented Surgical Electrotechnology

The Surgical Electrotechnology to treat an ulcer on the

hand of a Paris musician3

Introduction (2/5)

Electrosurgical Instrumentation originThe real foundation for the application of electrical currents in surgical procedures by 1891

D'Arsonval 4

圖片來源： http://zh.wikipedia.org/

Early combination D'Arsonval (high current)Introduction (3/5)

5

圖片來源： http://www.electrotherapymuseum.com/

Introduction (3/4)

Cutting waveform oscillatorCoagulation waveform spark gap generator

ESU circuit diagram of the second generation

ESU circuit diagram of the third generation

6

Introduction (5/5)First Surgical Electrotechnology

7

Evolutionary(1/4)

A simplified schematic diagram of a classic spark gap ESU

8

Evolutionary(2/4)Block diagram of solid-state electrosurgical unit

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Evolutionary(3/4)

Differential electrosurgical current fault monitor

10

Evolutionary(4/4)ESU Protector

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圖片來源： http://penny2984.pixnet.net/

Thanks for Your Attention