: DRDO develops SpO2 based oxygen delivery system #IndiaNEWS #DEEP DIVE Hyderabad, April 19 | The Defence Research and Development Organisation (DRDO) has developed SpO2 (Blood Oxygen Saturation) supplemental

DRDO develops SpO2 based oxygen delivery system #IndiaNEWS #DEEP DIVE
Hyderabad, April 19 | The Defence Research and Development Organisation (DRDO) has developed SpO2 (Blood Oxygen Saturation) supplemental Oxygen Delivery System for soldiers posted at extreme high altitudes.
It would also be be a boon to the country in the current extreme crisis of Covid-19 pandemic.
The Defence Bio-Engineering Electro Medical Laboratory (DEBEL), Bengaluru of DRDO has developed this automatic system which delivers supplemental oxygen based on the SpO2 levels and prevents the person from sinking in to a state of Hypoxia, which is fatal in most cases, if it sets in.
Hypoxia is a state in which the amount of oxygen reaching the tissues is inadequate to fulfill all the energy requirements of the body. This is exactly the situation that gets replicated in a Covid patient due to the virus infection and has been leading to the current crisis, DRDO said.
The electronic hardware of the system is designed for functioning at extreme altitudes featuring low barometric pressures, low temperatures and humidity. The software safety checks incorporated into the system are critical in ensuring the functional reliability of the system in field conditions.
The system reads SpO2 levels of the subject from a wrist-worn pulse oximeter module through wireless interface and controls a proportional solenoid valve to regulate the oxygen supply to the subject. The oxygen is delivered from a lightweight portable oxygen cylinder through nasal nares.
The system is available in various sizes from one liter and one Kg weight with 150 liters of oxygen supply to 10 liters and 10 kg weight with 1500 liters of oxygen supply which can sustain for 750 minutes with a continuous flow of 2 liters per minute (lpm). Since the system is indigenously developed for operation in field conditions, it is unique with its dual qualities of robustness and cheap and is already in bulk production with industry.
The DRDO said the system can be used in the household for moderate Covid patients for Oxygen flow therapy with flow controlled at 2/5/7/10 lpm flow. The automatic usage has huge advantage in the household, as the oximeter would give an alarm for lower SpO2 value. It will automatically increase/decrease the O2 flow based on SpO2 setting which can be auto adjusted at 2,5,7,10 lpm flow rate. The optimal O2 flow rate conserves the O2 resources/O2 management and greatly increases the endurance.
With its availability and simple to use facility by a common person, the system shall greatly reduce the workload and exposure time of doctors and paramedics to monitor the SpO2 levels of the patient.
This automated, easy to use oxygen delivery System now available is a great boon particularly in these critical times when every medical resource is stretched to its ebb.

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