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Cartilage


— Medical

Cartilage grown from patients' noses used to repair their knees

By - August 29, 2014 1 Picture
Depending on the part of the body and the nature of the injury, cartilage either doesn’t grow back at all, or does so very slowly. That’s why joint injuries often take a long time to heal, to the point that scientists are looking into using things like hydrogels and 3D printers to help speed the process. Now, however, researchers from Switzerland’s University of Basel are reporting that cartilage cells harvested from a patient’s own nose can be used to grow replacement cartilage for their knee. Read More
— Science

Levitated lab-grown cartilage could result in more effective implants

By - June 3, 2014 2 Pictures
Although it's now possible to create lab-grown cartilage, there's still at least one big challenge in doing so – cartilage grown in a flat Petri dish may not be optimally-shaped for replacing the body's own natural cartilage parts. Scientists from a consortium of UK universities, however, are developing a possible solution. They're using "ultrasonic tweezers" to grow cartilage in mid-air. Read More
— 3D Printing

BioPen: A handheld 3D printer for surgeons

By - December 10, 2013 4 Pictures
Devices like the 3Doodler and SwissPen literally put 3D printing technology in the hands of consumers, but a new BioPen developed at the University of Wollongong in Australia is targeted at more skilled hands. The handheld device is designed to let surgeons "draw" live cells and growth factors directly onto the site of an injury to help accelerate the regeneration of functional bone and cartilage. Read More
— Science

Scientists use 3D printer and cartilage cells to create artificial ears

By - February 21, 2013 2 Pictures
When a child is born with the congenital deformity known as microtia, they have an underdeveloped external ear – also known as the pinna. Even though their inner ear may be normal, the lack of the external structure can affect their hearing, plus it looks unusual. Normally, a replacement pinna is made from a foam-like material (or sometimes even cartilage from the rib cage) and implanted under the skin, although these don’t always look particularly natural. Now, scientists from Cornell University have developed a more realistic pinna grown from biological material, using a 3D printer. Read More
— 3D Printing

Hybrid 3D printer produces implantable cartilage

By - November 23, 2012 2 Pictures
Generally speaking, injured cartilage doesn’t heal well ... if at all. In recent years, however, scientists have successfully regrown cartilage at injury sites, using things like hydrogel, microspheres and collagen-based nano-scaffolding. Now, a team of scientists led by Prof. James Yu of North Carolina's Wake Forest Institute for Regenerative Medicine have developed something else – a 3D printer that creates implantable cartilage. Read More
— Health and Wellbeing

Tough, super-stretchy hydrogel could be used to replace cartilage

By - September 7, 2012 4 Pictures
Scientists at Harvard University have created a hydrogel that’s tough, biocompatible, self-healing, and can be repeatedly stretched to 21 times its regular length without breaking – all of which are qualities that could make it an ideal replacement for damaged cartilage in humans. Being a hydrogel, it’s composed mostly of water, although it also contains calcium ions, and a mix of two common polymers. While each of those polymers are fairly weak on their own, the results are truly impressive when they’re combined. Read More
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