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    Wyświetlanie 1-10 z 10
    Tytuł:
    Risk Assessment of Individualized 3D Printed Prostheses Using Failure Mode and Effect Analysis
    Autorzy:
    Górski, Filip
    Sahaj, Natalia
    Kuczko, Wiesław
    Żukowska, Magdalena
    Hamrol, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/2201782.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    PFMEA method
    3D printing
    risk assessment
    prosthetics
    Opis:
    Risk analysis of personalized medical devices, such as prostheses, is a challenging task due to the complexity of technological and geometrical issues. The paper undertakes a process of risk analysis for upper limb prostheses for adult patients, individualized by 3D scanning and produced by additive manufacturing. The analysis was performed to systematize the process and its steps, as well as diagnose certain problems, in order to achieve future devices with correct fit and function, produced in as few iterations as possible. The Failure Mode and Effect Analysis of Process (PFMEA) method was used. In the results, main process risks were identified: the problems are mostly caused in stages, where operator’s decision or activity is to be performed, regarding socket length, offset and suitable lining. The main prevention activities were determined – human involvement in the decision process should be minimal and the intelligent models should be adjustable to as many patient cases as possible. In consequence, future steps for process optimization were determined – larger base of patient cases is necessary to acquire and study, to gather data for model and process improvement.
    Źródło:
    Advances in Science and Technology. Research Journal; 2022, 16, 4; 189--200
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rapid Manufacturing of Individualized Prosthetic Sockets
    Autorzy:
    Górski, Filip
    Suszek, Ewa
    Wichniarek, Radosław
    Kuczko, Wiesław
    Żukowska, Magdalena
    Powiązania:
    https://bibliotekanauki.pl/articles/101969.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    prosthesis
    fused deposition modelling
    3D printing
    additive manufacturing
    customization
    protezy
    modelowanie osadzania stopionego
    druk 3D
    wytwarzanie addytywne
    personalizacja
    Opis:
    The paper presents the experimental process of manufacturing individualized prosthetic sockets out of thermoplas‑ tic material, using an additive manufacturing technology of Fused Deposition Modelling. The patient was an adult male with an amputated forearm. His stump was 3D scanned using a low‑cost 3D scanner in a semi‑automated manner. Then, the anthropometric data was used for the creation of a model of a prosthetic socket, which was subsequently manufactured. Three different 3D printers were used, with three different materials (ABS, nylon and PC) and three different sets of process parameters. The paper contains the descriptions of the process, its results and opinions by the patient, leading to the selection of an optimal process course variant.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 1; 42-49
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of sterilization of a product manufactured using fdm technology on its dimensional accuracy
    Autorzy:
    Kuczko, Wiesław
    Wichniarek, Radosław
    Górski, Filip
    Banaszewski, Jacek
    Powiązania:
    https://bibliotekanauki.pl/articles/102496.pdf
    Data publikacji:
    2018
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    medical
    additive manufacturing
    fused deposition modelling
    geometric accuracy
    medycyna
    produkcja dodatkowa
    modelowanie osadzania stopionego
    dokładność geometryczna
    Opis:
    Inter-operational surgery supplies manufactured additively using the FDM (Fused Deposition Modelling) technology are required to be sterilized before use. After manufacturing, the part should be sterilized using one of commonly used processes, without losing its dimensions and shape. The paper presents studies on manufacturing and sterilizing samples made out of ABS material and influence of the sterilization process on the dimensional accuracy of these samples.
    Źródło:
    Advances in Science and Technology. Research Journal; 2018, 12, 1; 74-79
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methodology of Low Cost Rapid Manufacturing of Anatomical Models with Material Imitation of Soft Tissues
    Autorzy:
    Żukowska, Magdalena
    Górski, Filip
    Wichniarek, Radosław
    Kuczko, Wiesław
    Powiązania:
    https://bibliotekanauki.pl/articles/103031.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    3D Printing
    pre-operative support
    biomedical engineering
    druk 3D
    wsparcie przedoperacyjne
    inżynieria biomedyczna
    Opis:
    The pre-operative preparation of a surgeon is increasingly often extended to individual patient’s anatomical models depicting the affected organ and the existing lesion in relation to the surrounding structures (e.g. blood vessels). Among the models, there are models of the skeletal system, in which the FFF technology is used. The models of parenchymal organs are more difficult to reproduce due to the material limitations in the FFF technology, which is why alternative technologies such as PolyJet and SLA are used. Due to the high price of models, they are employed less frequently, especially in the Polish hospitals. The research presented in the article deals with the modification of the existing methodology of rapid pre-operative models production with the use of various low-budget rapid manufacturing techniques, which use materials of low hardness, similar to the human soft tissues. The aim was to create a methodology and determine the parameters of materials that allow for the cheap production of functional pre-operational aids.
    Źródło:
    Advances in Science and Technology. Research Journal; 2019, 13, 4; 120-128
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mechanical properties and geometric accuracy of angle-shaped parts manufactured using the FFF method
    Autorzy:
    Kuczko, Wiesław
    Hamrol, Adam
    Wichniarek, Radosław
    Górski, Filip
    Rogalewicz, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/2173630.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    material extrusion
    additive manufacturing
    mechanical properties
    angle-shaped parts
    wytłaczanie materiału
    produkcja dodatkowa
    właściwości mechaniczne
    części w kształcie kąta
    Opis:
    The paper presents the results of research on the influence of the parameters of Fused Deposition Modelling (FDM) on the mechanical properties and geometric accuracy of angle-shaped parts. The samples were manufactured from acrylonitrile butadiene styrene (ABS) on a universal machine. A complete factorial experiment was conducted. The results indicated that the critical technological parameter was the angular orientation of the sample in the working chamber of the machine. The results were compared with the results of research performed on simple rectangular samples. A significant similarity was found in the relationships between the FDM parameters and properties for both sample types.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 3; art. no. e137387
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mechanical properties and geometric accuracy of angle-shaped parts manufactured using the FFF method
    Autorzy:
    Kuczko, Wiesław
    Hamrol, Adam
    Wichniarek, Radosław
    Górski, Filip
    Rogalewicz, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/2128170.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    material extrusion
    additive manufacturing
    mechanical properties
    angle-shaped parts
    wytłaczanie materiału
    produkcja dodatkowa
    właściwości mechaniczne
    części w kształcie kąta
    Opis:
    The paper presents the results of research on the influence of the parameters of Fused Deposition Modelling (FDM) on the mechanical properties and geometric accuracy of angle-shaped parts. The samples were manufactured from acrylonitrile butadiene styrene (ABS) on a universal machine. A complete factorial experiment was conducted. The results indicated that the critical technological parameter was the angular orientation of the sample in the working chamber of the machine. The results were compared with the results of research performed on simple rectangular samples. A significant similarity was found in the relationships between the FDM parameters and properties for both sample types.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 3; e137387, 1--9
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prototyping of an Individualized Multi-Material Wrist Orthosis Using Fused Deposition Modelling
    Autorzy:
    Górski, Filip
    Kuczko, Wiesław
    Weiss, Weronika
    Wichniarek, Radosław
    Żukowska, Magdalena
    Powiązania:
    https://bibliotekanauki.pl/articles/102639.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    wrist orthosis
    3D printing
    fused deposition modelling
    multi-material
    FDM
    ABS
    TPU
    orteza nadgarstka
    druk 3D
    modelowanie z topieniem
    wielomateriały
    Opis:
    The paper presents the design and manufacturing process of an individualized wrist orthosis. The patient’s upper limb was 3D scanned and the orthosis was designed using a CAD system. Each part of the orthosis consists of two different materials that fulfill different functions. By using the double-head Fused Deposition Modelling machine it was possible to produce these parts in a single process without the need for additional assembly operations. The orthosis has been tested for mutual fit of parts, strength and comfort of use.
    Źródło:
    Advances in Science and Technology. Research Journal; 2019, 13, 4; 39-47
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Manufacturing of thin-walled, complex polymer parts by DLP printing – the influence of process parameters on crosslinking density
    Autorzy:
    Tomczak, Dorota
    Wichniarek, Radosław
    Kuczko, Wiesław
    Górski, Filip
    Powiązania:
    https://bibliotekanauki.pl/articles/27311462.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    additive manufacturing
    DLP
    acrylic resin
    crosslinking density
    FTIR-ATR
    data loss prevention
    produkcja dodatkowa
    gęstość sieciowania
    żywica akrylowa
    system zapobiegania utracie danych
    Opis:
    This study investigated the relationship between the parameters of the DLP manufacturing process and the structure of photopolymerizable acrylic resins. Four different process parameters were established to produce different thin-walled acrylic sample series: exposure time, layer thickness, area offset, and number of transition layers. The structure and the surface of the obtained samples were examined with the use of the FTIR–ATR method and an optical microscope, respectively. It was proved that extension of the exposure time increases the density of crosslinking and sample thickness. A decreasing crosslinking density due to rising layer thickness is observed. The area offset affects only the dimensions of the sample, predictably reducing the dimensions of the sample as the compensation increases. The absence of transition layers proved unfavorable in many respects, both structurally and geometrically.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2023, 71, 4; art. no. e145936
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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