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Human-like Ears Grown from Cartilage Cells Printed on a 3-D Printer

By Michele Blacksberg RN HERWriter
 
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Human-like Ears Grown from Cartilage Cells Printed on a 3-D Printer 4 5 1
ears may be grown using cartilage cells and 3-D printer
PS Productions/Photospin

The ability to create artificial ears using a special 3-D printer has become an innovation of our time. Cornell bioengineers and Weill Cornell physicians, working together, have successfully produced an artificial ear using an injectable mold created by a 3-D printer from the scan of a child’s ear.

This research could enable significant advancements in the field of reconstructive surgery.

"A bioengineered ear replacement like this would help individuals who have lost part or all of their external ear in an accident or from cancer," said co-lead author Dr. Jason Spector, director of the Laboratory for Bioregenerative Medicine and Surgery and associate professor of plastic surgery at Weill Cornell in New York City. This was reported in an article on Sciencedaily.com.

In addition, children who are born with ear deformities such as microtia, a congenital deformity, would benefit. These children have normal inner ears but are missing the external ear, which captures and magnifies sound.

Currently, artificial ears are made using a patient’s rib or materials similar to Styrofoam. The process can be painful and the results are not very satisfactory.

In the study, the new artificial ears were made by first scanning a panoramic photo of a child’s ear to create a 3-D image. A 3-D printer produced a 3-D mold from the image. Researchers injected animal derived collagen gel into the mold along with 250 million cartilage cells from the ears of cows.

The collagen provided a scaffold for the cartilage cells to grow. The cells were left for several days to develop in the cell culture.

“Altogether, the team estimated it took about a week to produce an ear,” reported Medcity News.

After the ear is taken out of the culture, it can be implanted, co-lead author Lawrence Bonassar, associate professor of biomedical engineering reported to Sciencedaily.com.

Spector and Bonassar have been collaborators in the attempt to grow bioengineered human replacement parts since 2007.

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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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