<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The appropriate development and customisation of the stent to the urethral tissues requires the determination of many factors such as strength and degradation. Given the distinctive conditions of urethral tissues, it is important that the design of the stent be properly developed. The selection of a stent material requires knowing its material characteristics and verifying that they are suitable for the future implantation site. In the present study, the development of a polydioxanone (PDO)-based stent was undertaken. The PDO material was fabricated using an additive technique – 3D printing. Then, in vitro tests were performed to determine the degradation time of the material under conditions simulating an aggressive urinary environment. The changes in the parameters of mechanical properties before and after the degradation period were determined, and the changes in the structure of the material before and after degradation were observed. Numerical analysis was performed for the proposed stent design. The results showed that PDO has good mechanical properties, but its degradation time is too short to be used in a urethral stent. Among the innovations of the studies conducted are bending strength tests, which is not a frequently considered aspect so far.</p>
</abstract>

The appropriate development and customisation of the stent to the urethral tissues requires the determination of many factors such as strength and degradation. Given the distinctive conditions of urethral tissues, it is important that the design of the stent be properly developed. The selection of a stent material requires knowing its material characteristics and verifying that they are suitable for the future implantation site. In the present study, the development of a polydioxanone (PDO)-based stent was undertaken. The PDO material was fabricated using an additive technique – 3D printing. Then, in vitro tests were performed to determine the degradation time of the material under conditions simulating an aggressive urinary environment. The changes in the parameters of mechanical properties before and after the degradation period were determined, and the changes in the structure of the material before and after degradation were observed. Numerical analysis was performed for the proposed stent design. The results showed that PDO has good mechanical properties, but its degradation time is too short to be used in a urethral stent. Among the innovations of the studies conducted are bending strength tests, which is not a frequently considered aspect so far.

Material Characteristic of an Innovative Stent for the Treatment of Urethral Stenosis

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The appropriate development and customisation of the stent to the urethral tissues requires the determination of many factors such as strength and degradation....

Material Characteristic of an Innovative Stent for the Treatment of Urethral Stenosis

Data publikacji: 16 lip 2023

Zakres stron: 477 - 484

Otrzymano: 24 lut 2023

Przyjęty: 03 maj 2023

DOI: https://doi.org/10.2478/ama-2023-0055

Słowa kluczowe
polydioxanone, urethra, modelling, degradation, mechanical properties

© 2023 Jagoda Kurowiak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Material Characteristic of an Innovative Stent for the Treatment of Urethral Stenosis

Data publikacji: 16 lip 2023

Zakres stron: 477 - 484

Otrzymano: 24 lut 2023

Przyjęty: 03 maj 2023

DOI: https://doi.org/10.2478/ama-2023-0055

Słowa kluczowepolydioxanone, urethra, modelling, degradation, mechanical properties

© 2023 Jagoda Kurowiak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Słowa kluczowe
polydioxanone, urethra, modelling, degradation, mechanical properties