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01:15I have taken a plastic sample bottle,
01:17poured with water, and the mechanism which I used,
01:21which is the bubble, that it produces bubble
01:24by the exhaled air done by the patient.
01:31♪♪
01:39Patient takes oxygen from oxygen cylinder
01:42through the nasal cannula.
01:44Then after taking oxygen, patient exhales air.
01:48That air comes through an expiratory arm
01:52and it goes through or passes through
01:55the water-filled plastic bottle and produces the bubble.
02:00That bubble gives the back pressure.
02:02This is called PEEP, P-W-P, positive and expiratory pressure.
02:07In a sustained pressure, it actually opens the lungs.
02:14♪♪
02:18It is very simple to make
02:20and it is very cheap.
02:22So it is accessible and also affordable.
02:27♪♪
02:35As the device is very simple
02:38and it only requires plastic bottle poured with water
02:41in addition to WHO nasal prong,
02:44so it can easily be handled with any health professionals
02:50like nurses or health workers.
02:53♪♪
03:13It is not only easily handled,
03:16but it is very affordable even in a very low resource setting.
03:21It only costs around $2, maximum $2.
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