← All decks
The first 25 slides, exactly as they appear. The full deck has 74 content slides.
Anaesthesiology
Ventilators
Built from Al-Shaikh — Essentials of Equipment in Anaesthesia, Critical Care and Peri-operative Medicine, 6e
What’s inside
6 sections · 74 slides
Overview
- What this session covers
- First principles: why we ventilate
- Two ways to move gas into the lungs
- Basic setting 1: tidal volume
- Basic setting 2: respiratory rate and who is in charge
- Two derived quantities
- How the settings combine into modes
Classifying Ventilators
Six lenses for describing any machine
- Classification 1: power source
- Classification 2: pressure generation
- Classification 3: the control system
- Classification 4: the pneumatic circuit
- Classification 5: the drive mechanism
- Classification 6: the output control valve
- Summary: how ventilators are classified
The Ideal Ventilator
A checklist of what good design should deliver
- What makes a ventilator 'ideal' (1)
- What makes a ventilator 'ideal' (2)
Theatre Ventilators
Bag-in-bottle, intermittent blower and minute-volume divider
- The bag-in-bottle ventilator
- Bag-in-bottle theatre ventilator
- Bag-in-bottle ventilator control panel
- Bag-in-bottle: how it works
- How the bag-in-bottle ventilator delivers a breath
- Bag-in-bottle: safety behaviour
- Penlon Nuffield 200: an intermittent blower
- Penlon Nuffield 200 ventilator
- Nuffield 200: parts and drive
- Nuffield 200: breaths and the Newton valve
- Nuffield 200: problems in practice
- Manley MP3: the minute-volume divider
- Manley MP3 minute-volume divider
- Manley MP3: how it cycles
- Manley MP3: problems and safety
ICU and Specialist Ventilators
From full intensive-care support to jet ventilation
- SERVO-U: a versatile ICU ventilator
- SERVO-U intensive care ventilator
- SERVO-U: build and gas handling
- SERVO-U mandatory (SIMV) breath types
- SERVO-U supported (weaning) modes
- SERVO-U: safety features
- High-frequency jet ventilation (HFJV)
- High-frequency jet ventilator
- HFJV: components
- Jet ventilation airway attachments
- Hi-Lo jet cuffed tracheal tube
- HFJV: how it works
- HFJV: problems and safety
Transport and Rescue Devices
Portable ventilators, rescue injectors and the self-inflating bag
- ParaPAC Plus: a transport ventilator
- ParaPAC Plus portable transport ventilator
- ParaPAC Plus: controls and design
- ParaPAC Plus: drive and safety
- Pneupac VR1: emergency ventilator
- Pneupac VR1 emergency ventilator
- Pneupac VR1: use and safety
- The manual Venturi injector device
- Manually controlled Venturi injector
- Venturi injector: mechanism and cautions
- The self-inflating bag and mask
- Self-inflating resuscitation bags
- Self-inflating bag: how the valve works
- Ambu non-rebreathing valve, disassembled
- Pressure manometer on a self-inflating bag
- The PEEP valve
- Ambu PEEP valve
- PEEP valve fitted to a self-inflating bag
- Key-points summary marker
- How can you tell an ascending from a descending bellows ventilator is disconnected?
- Numbers worth remembering
- Three things to carry away
- References
- Essentials of Equipment in Anaesthesia, Critical Care, and Perioperative Medicine