An open source 3D-printed transitional hand prosthesis for children

Jorge M. Zuniga, Jean Peck, Rakesh Srivastava, Dimitrios Katsavelis, Adam Carson

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Introduction: Advancements in computer-aided design programs, additive manufacturing, and open-source image editing software offer the possibility of designing, printing, and fitting transitional prosthetic hands and other prosthetic devices at very low cost. The development and use of 3D-printed transitional prosthetic devices to increase range of motion (ROM), strength, and other relevant variables would have a significant clinical impact for children with upper-limb deficiencies. Thus, the purpose of this study was to identify anthropometric, active ROM, and strength changes after 6 months of using a wrist-driven 3D-printed transitional prosthetic hand for children with upper-limb deficiencies. Materials and Methods: Anthropometric, active ROM, and strength measurements were assessed before and after 6 months of using a 3D-printed transitional hand prosthesis. Five children (two girls and three boys, 3-10 years of age) with absent digits (one traumatic and four congenital) participated in this study and were fitted with a 3D-printed transitional hand prosthesis. Results: There were significant hand × time interactions for the forearm circumference (p = 0.02), active ROM for flexion (p = 0.02), and extension values (p = 0.04). There were no significant hand × time interactions, however, for wrist flexion strength (p = 0.29), wrist extension strength (p = 0.84), active ROM for ulnar deviation (p = 0.5), active ROM for radial deviation (p = 0.25), and forearm skinfold values (p = 0.11). Conclusion: Although durability, environment, and lack of printing standards for the manufacturing of 3D-printed prostheses are factors to consider when using these types of devices, the practicality and cost-effectiveness represent a promising new option for clinicians and those patients with upper-limb deficiencies living in developing countries. Thus, the Cyborg Beast transitional prosthetic hand represents a low-cost prosthetic solution for those in need of a transitional device to increase ROM and forearm circumference.

Original languageEnglish (US)
Pages (from-to)103-108
Number of pages6
JournalJournal of Prosthetics and Orthotics
Volume28
Issue number3
DOIs
StatePublished - Jun 1 2016

Fingerprint

Articular Range of Motion
Prosthetics
Prostheses and Implants
Hand
Wrist
Forearm
Upper Extremity
Equipment and Supplies
Printing
Cyborgs
3D printers
Computer-Aided Design
Costs and Cost Analysis
End effectors
Cost effectiveness
Developing countries
Developing Countries
Cost-Benefit Analysis
Costs
Computer aided design

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering
  • Orthopedics and Sports Medicine
  • Rehabilitation

Cite this

An open source 3D-printed transitional hand prosthesis for children. / Zuniga, Jorge M.; Peck, Jean; Srivastava, Rakesh; Katsavelis, Dimitrios; Carson, Adam.

In: Journal of Prosthetics and Orthotics, Vol. 28, No. 3, 01.06.2016, p. 103-108.

Research output: Contribution to journalArticle

Zuniga, Jorge M. ; Peck, Jean ; Srivastava, Rakesh ; Katsavelis, Dimitrios ; Carson, Adam. / An open source 3D-printed transitional hand prosthesis for children. In: Journal of Prosthetics and Orthotics. 2016 ; Vol. 28, No. 3. pp. 103-108.
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abstract = "Introduction: Advancements in computer-aided design programs, additive manufacturing, and open-source image editing software offer the possibility of designing, printing, and fitting transitional prosthetic hands and other prosthetic devices at very low cost. The development and use of 3D-printed transitional prosthetic devices to increase range of motion (ROM), strength, and other relevant variables would have a significant clinical impact for children with upper-limb deficiencies. Thus, the purpose of this study was to identify anthropometric, active ROM, and strength changes after 6 months of using a wrist-driven 3D-printed transitional prosthetic hand for children with upper-limb deficiencies. Materials and Methods: Anthropometric, active ROM, and strength measurements were assessed before and after 6 months of using a 3D-printed transitional hand prosthesis. Five children (two girls and three boys, 3-10 years of age) with absent digits (one traumatic and four congenital) participated in this study and were fitted with a 3D-printed transitional hand prosthesis. Results: There were significant hand × time interactions for the forearm circumference (p = 0.02), active ROM for flexion (p = 0.02), and extension values (p = 0.04). There were no significant hand × time interactions, however, for wrist flexion strength (p = 0.29), wrist extension strength (p = 0.84), active ROM for ulnar deviation (p = 0.5), active ROM for radial deviation (p = 0.25), and forearm skinfold values (p = 0.11). Conclusion: Although durability, environment, and lack of printing standards for the manufacturing of 3D-printed prostheses are factors to consider when using these types of devices, the practicality and cost-effectiveness represent a promising new option for clinicians and those patients with upper-limb deficiencies living in developing countries. Thus, the Cyborg Beast transitional prosthetic hand represents a low-cost prosthetic solution for those in need of a transitional device to increase ROM and forearm circumference.",
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