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Cast Made of Hollow Tubes Hardens to Make Perfect Fit

October 14th, 2016 Medgadget Editors Orthopedic Surgery

cast21-1Three students from the University of Illinois at Urbana-Champaign are working on a new way to stabilize broken arms so as to avoid the downsides of traditional casts. Plaster and fiberglass casts that are used now don’t let air in and out, making the skin below itchy and smelly, and sometimes causing serious infections. The solution that the students are working on involves wrapping the arm in a braid made of hollow silicone tubes, and then pumping something like an epoxy into the braided structure to solidify it into a hard cast.

We’ve written about at least a couple projects attempting to use 3D printing to make custom casts, but the problem with those is that achieving a proper fit will still be an issue. Cast21, the company setup by the students and the name they’ve given to their casting technology, may offer the benefits that 3D printed casts promise but without the time consuming effort of building them for each patient.

Cast21 would be applied by a clinician who would choose a size, from a selection of casts that best fits the patient. Once a fit is found, a solidifying liquid is delivered into the hollow inside of the casts’s braids. The arm is then kept perfectly still for about twenty minutes to let the cast get hard, after which it’s ready to go into the world.

It should be washable, breathable, and, maybe most importantly, the skin below scratchable.

Link: Cast21…

Flashbacks: Lightweight 3D Printed Breathable Cast with Ultrasound Therapy; Cortex 3D-Printed Cast Improves Comfort and Reduces Wast…

(hat tip: Engadget)

Medgadget Editors

Medical technologies transform the world! Join us and see the progress in real time. At Medgadget, we report the latest technology news, interview leaders in the field, and file dispatches from medical events around the world since 2004.

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