Anesthesia - ventilator & anesthetic
Sejarah - digunakan secara meluas ketika polio outbreak polio pada 1940-1950an
Ventilator is a machine specially design for help human breathing system.... mostly patient yang menggunakan ventilator is the one who collapse lung function...
consist of
- O2 gas (piping to wall & cylinder)
- Nitrous oxide ( piping to wall or cylinder)
- Patient circuit (one time used only)
- O2, N20 Indicator
- Alarm system
- Backup batteries
- sensor (gas sensor, flow sensor, battery sensor, pressure sensor all of these sensor is to maintaining the desired (PEEP))
- Controller (microprocessor)
primary function :
- to controls o2, co2, volume, pressure n flow level
- to deliver anesthetic drugs to body
functioning by diagram please see below :-
- Design to improve rate and depth breathing
- A ventilator operating in mandatory mode must control all aspects of breathing such as tidal volume, respiration rate, inspiratory flow pattern, and oxygen concentration of the breath.
- A ventilator operating in mandatory mode must control all aspects of breathing such as tidal volume, respiration rate, inspiratory flow pattern, and oxygen concentration of the breath.
ventilator minimum test : -
- battery test / power loss test
- lamp test
- audible and visual alarms
- Proximal airway pressure gauge and positive end- expiratory pressure (PEEP) control.
- Leak tests
- Modes
- Ventilator rate (and rate display)
- Oxygen calibration
- Filters.
- Sensitivity
ref :
breathing system
Fabius animation
anesthesia machine anesthesia2
principal ECRI
TI TI2
simulation
drager
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