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Dog Runs on 3D-Printed Legs(九年级阅读)  

2015-01-24 19:14:18|  分类: 九年级阅读 |  标签: |举报 |字号 订阅

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       A dog running for the first timein his life thanks to3D-printedprosthetic(假肢) legs has moved a lot of people.
  Derby was born with disabled and deformed front legs. While 3D printers have been used to make replacement limbs for humans, Derby is the first animal to be successfully outfitted with 3D-printed prosthetics. His ability to run marks a huge step forward for the small but remarkable field of animal prosthetics.
  Derrick Campana, who helped create Derby’s new legs with designers at the 3D printing company 3D Systems, has been an expert in that field for the past decade. He specializes in the creation and use of corrective braces(矫正支架) and artificial limbs. Campana had worked only with human patients until about 10 years ago. But when a vet brought a dog in need of a prosthesis to him,he discovered he could apply the same technology that he’d mastered on people to help animals. He also soon learned there was a market for animal prosthetics and orthotics (矫正术) that hadn’t really been explored, so Campana founded Animal Ortho Care, one of the first companies to make orthotics and prosthetics specifically for animals. Today, Animal Ortho Care is one of five such companies in the world, seeing between 200 and 300 animal patients each month.
  “We were really interested in helping Derby,” said Campana. Though 3D printing technology has been available for a while, he explained, some of the materials and tools that work for making human prosthetics aren’t totally suitable for animals. For example, the technology used to easily scan a person’s leg is not as accurate when scanning a leg covered in fur.For Derby, Campana molded a fiberglass cast(玻璃纤维铸件) and scanned that into the 3D printing system. “In the future, hopefully we can just scan the leg directly,” he said.
  Now that Derby can run, Campana said he is very excited about the good news. More than three million people on the Internet have watched the video of Derby running on prosthetics.
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