文档介绍：Surgical Anesthesia
Jose D. Chinchilla, LVT, RLATG
Training Coordinator
Priority One Services
ponents Introduction
ponents
Frame
Regulator
Flowmeter
Oxygen Flush Assembly
Vaporizer
Anesthetic Supply System
Scavenging System
Anesthesia Machine
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ponents
Anesthesia Machine
Frame
Supports ponents of the anesthetic machine
Several styles available
ponents
Anesthesia Machine
Frame
Regulator
Placed on O2 tanks to decrease pressure from tank
2 types of tanks
“E” Tanks
650L @ 1800PSI
“H” Tanks
7100L @ 2200PSI
Output pressure adjusted with knob
ponents
Anesthesia Machine
Frame
Regulator
Flowmeter
Controls the amount of air released into the anesthetic circuit
Calculation: (Tidal volume - mL) x (Breathes per minute) / (1000mL/Liter)= Liters Resp. per Minute
ponents
Anesthesia Machine
Frame
Regulator
Flowmeter
Oxygen Flush Assembly
High flow oxygen straight from O2 supply
45-50psi
Do not use while connected to patient through tracheal tube
Use to flush anesthetic gases from circuit and minimize exposure
ponents
Anesthesia Machine
Flowmeter
Oxygen Flush Assembly
Vaporizer
Changes liquid agent to a vapor
Delivers the vapor into the moving steam of oxygen in controlled amounts
Must b e serviced to maintain accuracy of delivery and safety
Caution with refurbished models
ponents
Anesthesia Machine
Oxygen Flush Assembly
Vaporizer
Anesthetic Supply System
Breathing circuits
Rebreathing
Exhaled air is cleaned and reused with the patient
Non-rebreathing
Exhaled air is taken by scavenging system
Anesthetic Supply Systems
Rebreathing Circuit
Modified from Nakae Y et al. Anesthesia and Analgesia 1996;83:488-492
Non-Rebreathing Circuit
ponents
Anesthesia Machine
Vaporizer
Anesthetic Supply System
Scavenging Systems
Containing Anesthetic Gas
Evacuating Gases
Filtering Gases
Passive vs. Active Evacuation
In-facility Vacuum
Fume Hoods & Down Draft Tables