I stipulation an answer on the subject of medical equipment?

I am writing a science fiction book. When I watch a medical show, there are times I see a forgiving with tubes up their nose and running down their arms. Can anyone recount me what these tubes are used for what type of equipment they are connected to? Please send a serious answer.
Answers:
Well, tubes going to somebodys nose are connected to oxygen tank
tubes going into the nose and down the throat are a naso-gastric tube (nurses call it an N.G. tube or feed tube) the tubes going into the arms are Intra-Venous tubes (nurses call them an I.V.) an I.V. is attached to a bag that hang on a hook that hold "normal saline" or other liquids or medicine that need to be administered by drip. oxygen tubes run across the bottom of the nose from side to side and step over the ears, they are called a "Nasal Cannula"

*** other tubes patients can have that penitrate the body after surgery are a "Hema-Vac" which is attached to a spring loaded sack device that sucks blood and fluids out of a wound cavity after a surgical proceedure, another similar device is a "Jackson Prat Drain" or J.P. drain, they basically do the same piece as a Hema-Vac, but it has a rubber bulb that you squeeze manually to make the suction.

**** another tube you would find on a tolerant would be a "Foley Catheter" they are inserted in the urinary canal adjectives the way up into the bladder, and it has a small balloon close to bulb that swells up inside the bladder to hold it in place, on the other end it have a bag to collect urine.


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