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1
Content available First tests of extrusion process using arthroscopic 3D bioprinting handheld tools prototypes
Gapiński Tomasz, Lenartowicz Krzysztof, Galas Paulina, Gonsior Małgorzata, Ricotti Leonardo, Vannozzi Lorenzo
Engineering of Biomaterials
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2020
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Vol. 23, no. 158 spec. iss.
60
2
Content available Evaluation of N,N-dimethylacetamide level in polyurethane implant elements manufactured in dip-molding process
Zawidlak-Węgrzyńska Barbara, Gonsior Małgorzata, Czerwiński L., Jarosz Agnieszka, Kustosz Roman
Engineering of Biomaterials
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2020
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Vol. 23, no. 158 spec. iss.
64
3
Content available Surface modifications used for inflow cannulas of the Ventricular Assist Devices – state of the art
Kurtyka Przemysław, Kustosz Roman, Kaczmarek Marcin, Gonsior Małgorzata
Engineering of Biomaterials
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2019
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Vol. 22, no. 153 spec. iss.
41
4
Content available Surface modifications for inflow cannulas of ventricular assist devices – comparison of latest solutions
Kurtyka Przemysław, Kustosz Roman, Kaczmarek Marcin, Gonsior Małgorzata, Tokarska Klaudia
Engineering of Biomaterials
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2019
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Vol. 22, no. 151
17--23
EN
Nowadays, the Mechanical Circulatory Support (MCS) within the Ventricular Assist Devices (VAD) appears to be a reliable and effective solution for patients with advanced heart failure (HF). After many years of work, extracorporeal pulsatile VADs have been replaced by new generations of implantable continuous flow (CF) pumps. Clinical experience has shown that present-day pump constructions still need to be improved to minimize the risk of complications during heart assistance. One of the complications is the pump inflow obstruction caused by the ingrowth of tissue into the blood inflow path and pump thrombosis. The main goal is to develop a coating for the external surface of the inflow cannula to provide controlled tissue ingrowth. The smooth surface of the cannula external wall results in the tissue overgrowth into the pump inflow orifice, and may be a source of emboli. The paper presents external surface modifications of the inflow cannula performed by different VAD manufacturers within the topography characterization. The inflow cannulas used in CF VADs are mainly made of titanium alloy due to its mechanical properties and high biocompatibility. In general, the discussed surface coatings were characterized by the roughness of about ≈ Ra = 15 μm, high porosity and good wettability Φ ≈ 60°. The surface was covered with titanium microspheres or titanium mesh. The developed surfaces and clinical experience confirm the ability to control the tissue ingrowth along the external surfaces of the inflow cannula at the tissue-implant interface.
5
Content available Long term local effect after implantation and toxicity of modified Ti6Al7Nb alloy surface
Gonsior Małgorzata, Janiczak Karolina, Zawidlak-Węgrzyńska Barbara, Tarnowski Michał, Wierzchoń Tadeusz, Kustosz Roman, Barski Jarosław, Grajoszek Aniela, Wojnicz Romuald, Warmusz Edyta
Engineering of Biomaterials
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2019
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Vol. 22, no. 153 spec. iss.
61
6
Content available 3D bioprinting handheld tool concept for innovative osteoarthritis treatment with stem cells utilization
Lenartowicz Krzysztof, Gapiński Tomasz, Galas Paulina, Gonsior Małgorzata, Ricotti Leonardo, Vannozzi Lorenzo
Engineering of Biomaterials
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2019
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Vol. 22, no. 153 spec. iss.
44
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