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Process of Manufacturing Transparent Models of Anatomical Structures

Wojnarowska Wiktoria, Nieroda Maciej, Gładysz Ewelina, Miechowicz Sławomir, Kudasik Tomasz

Advances in Manufacturing Science and Technology

2020

Vol. 44, nr 2

62--66

In recent years, a rapid increase in the use of three-dimensional (3D) printing technologies in medicine, especially in the manufacturing of the diagnostic models, can be observed. In some cases, there is a need to fabricate transparent models that allow visualization of internal structures of the object. Unfortunately, techniques used to manufacture such models are often very expensive and time-consuming. The above-mentioned issues were the motivation for developing a new method of fabrication transparent models for visualization of internal structures for planning surgical treatments. This paper presents the process of making transparent models using the newly developed method – the stacked layers method. In order to compare this new method and one of the most common 3D printing technologies – fused deposition modeling (FDM) – the models for two medical cases using both of these methods were fabricated. As a result of this work, it can be concluded that the stacked layers method provides faster and cheaper way of making transparent medical models. The main features of fabrication process that have a huge impact on quality of the models made by new method were pointed. The results of this study suggest that models fabricated with the use of this method can be useful as a diagnostic tool in medical applications for planning surgical treatments.

Projekt koncepcyjny bionicznej protezy kończyny górnej sterowanej za pomocą sygnałów elektromiograficznych

Zadroga Aleksander, Świerczewski Piotr

Przegląd Mechaniczny

2019

nr 9

33--36

W artykule przedstawiono proces projektowania bionicznej protezy kończyny górnej sterowanej za pomocą sygnałów elektromiograficznych. Praca ma charakter projektowy. Określono wstępne założenia oraz wymagania do projektu, stworzono schematy ideowe oraz modele ruchu poszczególnych elementów obiektu, w wyniku czego otrzymano projekt koncepcyjny protezy. Zastosowanie sterowania za pomocą sygnałów elektromiograficznych daje użytkownikowi pełną i intuicyjną kontrolę nad protezą.

The article presents design process of bionic upper limb prosthesis controlled with electromyographic signals. The conceptual design contains preliminary assumptions and requirements, schematic and block diagrams and models of specific elements of prosthesis. Use of electromyographic signals gives user intuitive and full prosthesis control.