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      Safety and Efficacy of Casting during COVID-19 Pandemic: A Comparison of the Mechanical Properties of Polymers Used for 3D Printing to Conventional Materials Used for the Generation of Orthopaedic Orthoses

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          Abstract

          To reduce the risk of spread of the novel coronavirus (COVID-19), the emerging protocols are advising for less physician-patient contact, shortening the contact time, and keeping a safe distance. It is recommended that unnecessary casting be avoided in the events that alternative methods can be applied such as in stable ankle fractures, and hindfoot/midfoot/forefoot injuries. Fiberglass casts are suboptimal because they require a follow up for cast removal while a conventional plaster cast is amenable to self-removal by submerging in water and cutting the cotton bandages with scissors. At present, only fiberglass casts are widely available to allow waterproof casting. To reduce the contact time during casting, a custom-made 3D printed casts/splints can be ordered remotely which reduces the number of visits and shortens the contact time while it allows for self-removal by the patient. The cast is printed after the limb is 3D scanned in 5-10 seconds using the commercially available 3D scanners. In contrast to the conventional casting, a 3D printed cast/splint is washable which is an advantage during an infectious crisis such as the COVID-19 pandemic.

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          Author and article information

          Journal
          Arch Bone Jt Surg
          Arch Bone Jt Surg
          abjs
          Archives of Bone and Joint Surgery
          Mashhad University of Medical Sciences (Mashhad, Iran )
          2345-4644
          2345-461X
          April 2020
          : 8
          : Suppl 1
          : 281-285
          Affiliations
          [1 ]Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
          [2 ] Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
          [3 ] Chief of Hand Surgery Division, Rothman Institute, Philadelphia, Pennsylvania, USA
          [4 ] Rothman Institute, Philadelphia, Pennsylvania, USA
          [5 ] Hand Surgery Division, Rothman Institute, Philadelphia, Pennsylvania, USA
          Author notes
          Corresponding Author: Amir Reza Kachooei, Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Hand Surgery Division, Rothman Institute, Philadelphia, Pennsylvania, USA. Email: arkachooei@gmail.com
          Article
          PMC7296609 PMC7296609 7296609
          10.22038/abjs.2020.44038.2204
          7296609
          32733983
          d004be49-0f96-4bfc-9dcc-3bb0ec3987fb
          History
          : 6 April 2020
          : 10 April 2020
          Categories
          Short Communication

          COVID-19,Coronavirus,3D Printing,Orthopaedic splint,Orthopaedic cast

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