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Browsing by Subject "3D printing"

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  • Kallela, Karla (2021)
    3D printing has been described as a revolutionary technology challenging copyright law to the core. 3D printing essentially enables the fast reproduction of objects and enables transforming digital items into physical ones effortlessly. This thesis examines the copyright status of a computer-aided design (CAD) file, which functions as the blueprint and instructions for a 3D printer. Such a file carries information about the design it contains, and a 3D printer may read these instructions and produce the digital item in physical, three-dimensional form. The core of this thesis is to examine whether a CAD file fits within the scope of application of copyright law and further inspects the repercussions of copyright protection being granted for such files. Moreover, the writer suggests practical interpretations and changes as to how copyright law should be interpreted for the regime to be better adapted to technological change in the future. In this thesis, the writer concludes that based on the Finnish Copyright Act (404/1961) and Directive 2001/29/EC as well as applicable case law developed by the Court of Justice of the European Union (CJEU), there is nothing precluding treating such a file as subject matter which may be protected under the national (and EU) copyright regime. This interpretation is in fact encouraged from the basis of applicable case by the CJEU, such as cases C-5/08 Infopaq, C-355/12 Nintendo, C-310/17 Levola and C‑683/17 Cofemel. For something to constitute protectable subject matter, the focal point is for the expression to be contained with sufficient precision and objectivity and more importantly, that the expression constitutes the intellectual creation of its author. With regard to the repercussions of this protection, it is clear that should a CAD file be protected by way of a copyright, a 3D item produced from such a file should either constitute a reproduction or derivative work of such a file. Further, the writer suggests that in order to provide a clear framework for operators in the field, a position paper similar to the one adopted by the European Communities Trade Mark Association in April 2021 as regards design law and 3D printing should be developed. In addition, it is recommended that rightholders take proactive measures in safeguarding their works by adapting business models so that their authentic products are offered by way of different licensing models to combat piracy, similar to the solution developed in the music industry after peer-to-peer online sharing posed troubles for the industry. In the event of the true mass commercialization of 3DP, a centralized body to monitor the industry should be developed, one that establishes functioning licensing models to benefit rightholders. Finally, the FCA should be interpreted in a truly technologically neutral manner. It is likely that such an interpretation will however not fix all the issues copyright law is posed with, and thus, a cohesive copyright reform may be necessary in the future.
  • Heikkinen, Anssi-Kalle (2023)
    Välikorvaproteesien pituuden ja muotoilun sopimattomuus potilaan kuuloluuketjun anatomiaan, kuuloluuketjun rikkoutumisen aiheuttanut sairaus sekä proteesileikkauksissa syntyneet vauriot heikentävät välikorvaproteeseja hyödyntävien kuuloluurekonstruktioiden pitkäaikaisia tuloksia. 3D-tulostetut välikorvaproteesit voisivat tulevaisuudessa mahdollistaa yksilöllisemmän ja parempilaatuisemman hoidon. Uudentyyppisten välikorvaproteesien muotoilua, materiaalivalintoja, tuotantoa ja akustisia ominaisuuksia on tutkittu, mutta tietojemme perusteella juuri 3D-tulostettujen proteesien akustisia ominaisuuksia ei ole aikaisemmin selvitetty. Tämän tutkimuksen tarkoituksena oli arvioida 3D-tulostettujen osittaisten välikorvaproteesien (partial ossicular replacement prosthesis, PORP) muotoilua, akustisia ominaisuuksia, mahdollisuuksia ja rajoitteita. Tutkimuksessa Solidworks 2019–2021 -tietokoneohjelmalla suunniteltu 3D-proteesi sai vaikutteita kaupallisesta titaaniproteesista. Eripituisia (1,5–3,0 mm) proteeseja tulostettiin käyttäen tulostusmateriaalina Clear V4 -fotopolymeeriä. Proteesien tulostustarkkuutta ja -toistettavuutta arvioitiin kuvaamalla niitä mikrotietokonetomografialla. 3D-tulostettujen proteesien akustisia ominaisuuksia arvioitiin vertaamalla tuorepakastettujen ohimoluiden kuuloluuketjun värähtelyä laser-Doppler-vibrometriajärjestelmällä anatomisessa lähtötilanteessa, alasimen (incus) poiston jälkeen sekä 3D-tulostetun että kaupallisen titaaniproteesin ollessa paikoillaan kuuloluuketjussa. Proteesien tulostustarkkuus verrattuna niiden 3D-malleihin todettiin tutkimuksessa erinomaiseksi. Tulostuksen toistettavuus oli hyvä, mikäli proteesin varren halkaisija oli 0,6 mm. 3D-tulostettujen proteesien kirurginen käsiteltävyys todettiin helpoksi, vaikka ne olivat kaupallisia titaaniproteeseja jäykempiä. 3D-tulostettujen proteesien akustiset ominaisuudet olivat samanlaisia kaupallisiin titaaniproteeseihin verrattuna. Tämän tutkimuksen perusteella akustisilta ominaisuuksiltaan hyvien välikorvaproteesien 3D-tulostaminen on mahdollista erinomaisella tarkkuudella ja toistettavuudella nykyisin käytössä olevilla 3D-tulostimilla. Tällä hetkellä nämä proteesit olisivat edullisten kustannustensa puolesta hyvä vaihtoehto välikorvakirurgian harjoitteluun. 3D-tulostettujen välikorvaproteesien kliinisen käytön mahdollisuuksien selvittämiseksi tarvitaan lisää tutkimuksia.
  • Itämö, Satu (2018)
    Marketing authorized pharmaceutical preparations that are aimed at adult use cause problems both in administration and when dosing. Over and underdosing are the most common medication errors in pediatric population. Only a fraction of medicinal products are clinically tested and evaluated for pediatric use. Children should have the right for the best achievable health, medical care and rehabilitation. The aim of this study was to determine problematic pharmaceutical preparations, formulations or excipients experienced by healthcare professionals. The another aim of this study was to comprise (?) the view of healthcare professionals about 3D-printed medicinal products by using the collected data. By using the data, the problems, challenges, targets for development and other suggestions regarding pediatric medication were identified. New 3D printed medicines suitable for children can be developed by using the observations of this study. The study was carried out as semi-structured interview. Frameworks of the themes were structured by using the subjects of a recently made semi-structured questionnaire. The semi-structured interview was carried out as a group-interview, where the participants were presented open questions according to the themes structured before. According to the study results, the prejudices of the interviewees towards the new technology were mainly positive. The adjustability of the printed medicine by the means of the patient was most highlighted property in the interviews. Accoring to the experiences of the interviewees’, the most suitable pharmaceutical preparations used are liquid preparations such as oral liquids or suspensions. When using solid oral formulations, the age of the patient was not seen as significant. The most common reason for compounding the preparation was the wrong size of the product or dose. The varying availability of pharmaceutical preparations was seen as delaying factor at the start of the medical treatment. In the interview the pharmacists recognized the most common excipients causing adverse events. The different roles of the occupational groups were identified according to their work duties.