The recent death of Paul Alexander, who lived in an iron lung for 70 years, makes us understand how important this device was. But how does it work? Let’s find out
Medical technology has made great strides over the years, but some inventions from the past continue to inspire admiration for their ingenuity. One of these is the iron lunga device that represented a revolution in treatment of respiratory diseases. Its importance was reconfirmed by the recent death of Paul Alexander, the man who lived inside this life-saving machine for 70 years. Paul was one of many who benefited from this technology, surviving an illness that left many without hope. His story is a powerful reminder of the importance of medical progress and strength of human ingenuity. Let’s now find out more about this respiratory equipment.
Iron lung: functioning and composition
This device was essentially a sealed chamber which surrounded the patient’s body, excluding the head. The mechanism was based on the creation of a negative pressure inside the chamber, which induced the rib cage to expand and contract, thus allowing breathing. It offered several advantages over modern methods of positive pressure ventilation. It did not require sedation or insertion tubi endotracheali, allowing the patient to speak and eat freely. It was a solution that provided a certain quality of life despite the physical limitations imposed by the disease.
The device consisted of two main parts: one rigid outer chamber and a series of gaskets that ensured the seal. The seals were located around the patient’s neck and waist, creating a closed environment necessary for the generation of negative pressure. An external pump regulated this pressure, simulating the process of inhalation and exhalation. This artificial respirator represented a turning point for patients suffering from polio during the post-war epidemic. Thanks to it, they were able to survive in a time when alternatives were limited. Although it has been replaced by more advanced technologies today, its impact on respiratory medicine remains invaluable.
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