Release date: 2015-04-27
The advent of 3D printing has caused great interest in artificial organs, which means replacing or even improving human machinery.
Printed organs, such as the outer ear prototype developed by researchers at Princeton University in New Jersey and Johns Hopkins University in Baltimore, will be on display at the 3D Print Conference in New York, April 15-17. The outer ear is printed from a variety of materials: the hydrogel forms an ear-like stent, the cells grow to form cartilage, and the silver nanoparticles form the antennae. This device is just one example of a growing variety of 3D printing.
The conference in New York, known as the largest event in the industry, will have a large number of gadgets and novelty items on display. But at the same time it will also lead to serious discussions on the emerging human organ printing market.
The current business is focused on a large number of hip replacements that can be customized to suit individual needs and custom polymer bones ordered to reconstruct damaged skulls and fingers. Last year, printed body organs brought in 537 million benefits, a 30% increase over the previous year, said Wollers Association Chairman Terry Wohlers. The Wohlers Association is a business consulting firm based in Fort Collins, Colorado, which specializes in 3D printing.
Jennifer Lewis, a bioengineer at Harvard University in Cambridge, Massachusetts, says scientists are looking at radical new technologies that use living cells as "ink" to assemble them layer by layer into a preliminary organization. Organovo, a bioprinting company in San Diego, Calif., has sold such organizations to researchers to test the toxic effects of experimental drugs on living cells. Organoh executive chairman Keith Murphy said the company's next step will be to provide printed tissue patches to repair human liver damage.
Lewis hesitated that 3D printing would create the entire organ to alleviate the shortage of kidney and liver transplants. She said, "I am happy to see the printing of these organs a reality, but the kidneys and liver have highly complex structures."
Source: Bio Valley
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