Iron lung—the name itself gives the chill. During the polio outbreak, people of Europe and North America suffered so cruelly without proper medication. Scientists came up with a new invention called the Iron Lung, which was modeled to do the job of the human lung. Unlike a respiratory system, it won’t work from inside the body but rather the person goes inside the huge iron lung device to stimulate breathing. Interesting right? Read to know how an iron lung works.
Iron Lung is an alternative medical device specialized to treat breathing complications. It is an enormous device that can enclose a person’s whole body. An iron lung could help a person when their lung is paralyzed or unable to function properly.
An Iron Lung works just like a human lung. The whole process is based on the air pressure. The patient will be placed on the sliding bed, inserted into the chamber, and enclosed to their head. The rubber tube on the device stops the air escaping from the device. When the electric motor is powered up, the bellows create air pressure inside causing the lungs to deflate, and the person to exhale. On the contrary, when the pressure decreases the lungs will inflate making the person inhale the air.
This Iron lung is necessary for those who are unable to breathe. The treatment will continue to keep the patient alive.
In 1952, Poliomyelitis(which no longer exists), a deadly disease became a pandemic across Europe and North America. The major symptoms of polio are muscle stiffness and paralysis. Many died due to the severity of Polio. This machine was invented to treat the disease and help the sufferers. This medication is advised only for people who are diagnosed with conditions such as polio and botulism.
The initiative was taken by an English Scientist John Mayow in 1670. He decided to invent an external negative pressure ventilation featuring a bellow and a bladder to pull in and expel the air. Many inventions were introduced following this one. Dr Woillez of Paris created a hand-operated bellow-driven ‘Spirophore’ in 1876. Later, an airtight wooden box was designed by Dr Stueart to treat polio. Stueart’s device is enclosed at the waist and shoulders with clay and activated by motor-driven bellows.
However, the popular version of the iron lung was invented in 1927 by Philip Drinker and Louis Shaw from Harvard University. In the beginning, the device was referred to as a ‘Drinker respirator.’ It consists of a large chamber enclosed by the body, bellows at the foot, and a rubber seal at the opposite end to stop the air leakage. The drinker machine is activated by an electric motor and it is used to treat patients who suffer from paralytic polio and conditions raised as a result of coal gas poisoning.
In 1931 came the updated version of this medicine device Iron Lung. John Haven Emerson created an advanced and cost-effective device with newly added features. Emerson’s iron lung has a sliding bed, a tank with windows that would help the attendants to reach and carry other procedures, and a leather bellow to avoid sounds. In the late 1930s, the Emerson respirator became common in almost every hospital.
Since its invention using the iron lung has become more challenging for everyone. As the expensive device cost $1500 to $2000, it was unreachable for a commoner. Besides the machine was super heavy weighing 500 pounds, so shifting them was a nightmare.
Many scientists developed new ideas to make the respirator machine easily accessible. When Australia faced the polio outbreak, they couldn’t afford Iron lungs, Edward Both, an Engineer invented a prototype in one day using plywood as they couldn’t ship the respirators fast.
However, the Iron Lung become widespread in the late 1930s. In the U.S. alone 1 in 200 people suffered permanent lung and muscle damage and required a permanent Iron lung to breathe. Later, with the invention of the polio vaccine, the requirements for iron lungs were reduced.
Paul Alexander, who was affected by polio at 6 in 1957 used the Iron lung till he died on March 11, 2024. Martha Lillard who was diagnosed with polio after Paul, is the only person who still living with the help of iron lung.
After the polio vaccine invention, the cases dropped and so did the usage of iron lungs. This invention has disappeared now.
Also, don’t forget to read the top 5 deadliest diseases in the world.
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