In today's world, medical sciences have greatly advanced. However, the most common medication after paracetamol is probably Intravenous fluid... 

However, the more commonly used, the more problematic. IV fluids, generally given in bottles have to be constantly monitored, failing which, a lot of complications like blood regurgitating towards the fluid bottle(Due to negative pressure),block in the I.V tube and needle necessitating repeating the injection and most important AIR  EMBOLISM which can be fatal, can be causedAdding to the problem is the extremely low nurse patient ratio.

State - of - the art hospitals use infusion pumps which cost around $1000 (Rs. 50,000 to 70,000 aprox.) for this purpose. However, they too need to be monitored constantly.

We hence designed a simple PCB circuit connected to a set of probes (which would be inserted into the secondary chamber of the IV fluid bottle) in such a manner that the circuit would be broken when the fluid was at safe levels and the circuit would be closed when the level of fluid drops below that of the probes giving an alarm. The alarm would start  whenever the level of fluid drops below a pre - fixed level and giving the nurse ample time to replace the IV  fluid bottle. 

This not only eases pressure on doctors, patients and nurses, but also reduces the mortality risk. All this while being compact, easy to make (considering we, teens made it) and absolutely automatic. In contrary to the infusion pumps, it costs around $4 (Rs.200) and is easily implementable in even small medical centers, even in rural areas. 

Intravenous Fluid Low level Alarm System


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