Automated Design of Customized 3D-Printed Wrist Orthoses on the Basis of 3D Scanning

Górski, Filip; Zawadzki, Przemysław; Wichniarek, Radosław; Kuczko, Wiesław; Żukowska, Magdalena; Wesołowska, Izabela; Wierzbicka, Natalia

doi:10.1007/978-3-030-27053-7_97

Cited by 11 publications

(9 citation statements)

References 10 publications

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“…The system, abbreviated AutoMedPrint (automated 3D printing of medical products), has a task of automated design and production preparation of individualized orthopedic supplies—mainly limb orthoses and upper-limb prostheses. The system’s concept is described in the authors’ earlier works [ 30 , 31 ], and its use is presented in Figure 2 , while a flow graph of working with the system is presented in Figure 3 .…”

Section: Methodsmentioning

confidence: 99%

“…In general, an intelligent CAD model can be regarded as one that is automatically updated on the basis of knowledge description stored in an external file (a so-called design table) [ 32 ]; such models are frequently used for mass customization purposes. The intelligent model was made by the authors, implementing methodologies shown in previous studies [ 30 , 31 , 33 ] and also using the approach presented in [ 34 ]. The complete prosthesis is a modular one, intended for use by children in daily situations; the hand could be either mechanical (a rotary grip for driving a bike or a scooter) or cosmetic (prosthetic hand).…”

Section: Methodsmentioning

confidence: 99%

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Study on Properties of Automatically Designed 3D-Printed Customized Prosthetic Sockets

et al. 2021

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This paper presents the results of experiments conducted on a batch of additively manufactured customized prosthetic sockets for upper limbs, made of thermoplastics and designed automatically on the basis of a 3D-scanned limb of a 3-year-old patient. The aim of this work was to compare sockets made of two different materials—rigid PLA and elastic TPE. Two distinct socket designs with various mounting systems were prepared. To find a reliable set of parameters for cheap and stable manufacturing of usable prostheses using 3D printers, realizing the fused deposition modeling (FDM) process, sets of sockets were manufactured with various process parameters. This paper presents the methodology of the design, the plan of the experiments and the obtained results in terms of process stability, fit and assessment by patient, as well as strength of the obtained sockets and their measured surface roughness. The results are promising, as most of the obtained products fulfil the strength criteria, although not all of them meet the fitting and use comfort criteria. As a result, recommendations of materials and process parameters were determined. These parameters were included in a prototype of the automated design and production system developed by the authors, and prostheses for several other patients were manufactured.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Study on Properties of Automatically Designed 3D-Printed Customized Prosthetic Sockets

et al. 2021

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“…The system, abbreviated AutoMedPrint (automated 3D printing of medical products), has a task of automated design and production preparation of individualized orthopedic supplies—mainly limb orthoses and upper limb prostheses. The system’s concept is described in the authors’ earlier works [ 32 ] and scheme of its operation is shown in Figure 1 . The outcome of system operation is design of a new, customized model of an orthosis in less than 15 min, then 3D printing it and delivering to the patient in under 36 h at a cost lower than traditionally made equivalent products.…”

Section: Methodsmentioning

confidence: 99%

“…The wrist–hand orthosis was designed in a fully automated way, using an existing intelligent CAD model in the Autodesk Inventor software (version 2019, Autodesk Company, San Rafael, CA, USA). The intelligent model was made by the authors as a part of previous studies [ 32 ]. The orthosis consists of two parts (horizontal division) that are fit together by a snap fit shape connection (grooves and splines) and is of openwork, lightweight build.…”

Section: Methodsmentioning

confidence: 99%

Experimental Studies on 3D Printing of Automatically Designed Customized Wrist-Hand Orthoses

et al. 2020

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The paper presents results of research conducted on a batch of additively manufactured individualized openwork wrist–hand orthoses made of thermoplastics and designed automatically based on 3D-scanned geometry of a given patient. The aim of the work was to establish an automated design process and find a reliable set of parameters for rapid and affordable manufacturing of usable orthoses on popular 3D printers, with little or no supervision of the process. The paper presents motivations, methodology of automated design, plan of manufacturing and testing, the obtained results in terms of process stability, fit and assessment by patient and strength of the obtained orthoses. Almost 100 manufacturing processes of ready-to-use orthosis parts were carried out in a controlled environment and their results were analyzed thoroughly. The results are promising, as most of the obtained products fulfil the strength criteria, although not all of them meet the economic criteria. As a result, a recommended set of process parameters was determined. These parameters were included in a prototype of the automated design and in a production system developed by the authors.

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“…Currently, 3D scanners for human measurement are available, including the use of single image for reconstruction, structured light technologies, lasers, and different algorithms for stereo reconstruction [44][45][46]. The most common technologies used to reconstruct human body shape are laser and structured light technologies [44].…”

Section: D Scanningmentioning

confidence: 99%

Advances in Orthotic and Prosthetic Manufacturing: A Technology Review

et al. 2020

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In this work, the recent advances for rapid prototyping in the orthoprosthetic industry are presented. Specifically, the manufacturing process of orthoprosthetic aids are analysed, as thier use is widely extended in orthopedic surgery. These devices are devoted to either correct posture or movement (orthosis) or to substitute a body segment (prosthesis) while maintaining functionality. The manufacturing process is traditionally mainly hand-crafted: The subject’s morphology is taken by means of plaster molds, and the manufacture is performed individually, by adjusting the prototype over the subject. This industry has incorporated computer aided design (CAD), computed aided engineering (CAE) and computed aided manufacturing (CAM) tools; however, the true revolution is the result of the application of rapid prototyping technologies (RPT). Techniques such as fused deposition modelling (FDM), selective laser sintering (SLS), laminated object manufacturing (LOM), and 3D printing (3DP) are some examples of the available methodologies in the manufacturing industry that, step by step, are being included in the rehabilitation engineering market—an engineering field with growth and prospects in the coming years. In this work we analyse different methodologies for additive manufacturing along with the principal methods for collecting 3D body shapes and their application in the manufacturing of functional devices for rehabilitation purposes such as splints, ankle-foot orthoses, or arm prostheses.

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Automated Design of Customized 3D-Printed Wrist Orthoses on the Basis of 3D Scanning

Cited by 11 publications

References 10 publications

Study on Properties of Automatically Designed 3D-Printed Customized Prosthetic Sockets

Study on Properties of Automatically Designed 3D-Printed Customized Prosthetic Sockets

Experimental Studies on 3D Printing of Automatically Designed Customized Wrist-Hand Orthoses

Advances in Orthotic and Prosthetic Manufacturing: A Technology Review

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