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Artificial Lungs


Bailey Wilson

on 21 December 2012

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Transcript of Artificial Lungs

Artificial Lungs By Bailey Wilson How It Works: Scientists are developing an artificial lung for patients who need a new set of lungs and cannot afford to wait. This version of an artificial lung is made completely out of silicone rubber. It works just like a real lung would. It performs the task of adding oxygen into the blood and removing the carbon dioxide. It does these tasks very much like a real lung does, inside the lung the blood and oxygen are separated by a thin membrane. Through the process of diffusion, the membrane permits oxygen and carbon dioxide to pass through it. Oxygen then flows from the air through the membrane and into the blood stream. Advantages of the Artificial Lung: - This particular lung has no need for extra oxygen, while other devices require external oxygen tanks.
- Creates lungs for patients who need new ones and cannot wait for their transplant.
- Lesser waiting time to receive lungs if they can be made for patients.
- The small features in this artificial lung allow high gas exchange levels due to the very small diffusion distances.
- This device would be driven by the heart and there would be no need for a mechanical pump.
- Oxygen exchange efficiency is 3-5 times faster than other models. Disadvantages of the Artificial Lung: - This artificial lung is still in the early stages of development.
- Gas exchange requirements in adults can vary, so “one sized lung fits all” does not apply in this situation.
- The body could reject the lung because it is a foreign object.
- The artificial lung could potentially injure blood cells, causing clotting.
- It could put too much stress on the heart. Canadian Contribution: The development of the artificial lung is still in its early infant stages, although Canadian research hasn’t made a vast contribution to the development of these specific artificial lungs, Canadian doctors have used external lungs on patients before. There have been a number of surgeries performed in Canada, such as at SickKids hospital in Toronto, where doctors have inserted the German invented external lung, “Novalung” into patients, that breaths and circulates the blood, all using the pumping of the heart. Citation: Lipson, S. (27 , January). smartplanet. Retrieved from http://www.smartplanet.com/blog/rethinking-healthcare/new-artificial-lung-breathes-like-a-real-one/5897
Nolan, H. (2011, January 1). Artificial lung basics. Retrieved from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3082030/
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