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APPLICATION OF SHAPE MEMORY ALLOYS IN MEDICINE Henryk Morawiec Institute of Physics and Chemistry of Metals, University of Silesia, Katowice Shape memory phenomena is strictly related to the reversible martensitic transformation which occurred by cooling over stressing. The overview of some papers on biocompatibility and corrosion behaviour after passivation of NiTi alloys are presented. The shape memory effect and superelasticity application to medical purposes are described basing on the last published works. The advantage of the devices using the shape memory and pseudoelastic are stressed when compared to the traditional steel applications in medicine. Staples, stents, simon nitinol filter, Mammalok needle wire and Amplatzer septal occlusion device applications are illustrated and discussed. {Engineering of Biomaterials, 15-16, (2001), 3-7] SZTUCZNA INTELIGENCJA JAKO NARZDZIE WSPOMAGAJĄCE BADANIA BIOMATERIAŁW Ryszard Tadeusiewicz Akademia Grniczo-Hutnicza w Krakowie [Inynieria Biomateriaw, 15-16, (2001), 8-26] ARTIFICIAL INTELLIGENCE AS A TOOL TO SUPPORT THE DEVELOPMENT AND TESTING OF BIOMATERIALS Ryszard Tadeusiewicz Academy of Mining and Metallurgy in Cracow [Engineering of Biomaterials, 15-16, (2001), 8-26] CHIRURGIA SZCZKOWO -TWARZOWA WCZORAJ, DZISIAJ, PERSPEKTYWY ROZWOJU Tadeusz Cielik I Katedra i Klinika Chirurgii Szczkowo-Twarzowej lskiej Akademii Medycznej [Inynieria Biomateriaw, 15-16, (2001), 27-31] MAXILO- FACIAL SURGERY YESTERDAY AND TODAY, PROSPECTS OF EVOLUTION Tadeusz Cielik I Clinic of Maxilo- Facial Surgery Silesian Medical Academy [Engineering of Biomaterials, 15-16, (2001), 27-31] MATERIAŁY DLA INYNIERII TKANKOWEJ Marta Baewicz Katedra Ceramiki Specjalnej, Akademia Grniczo- Hutnicza, Krakw [Inynieria Biomateriaw, 15-16, (2001), 32-35] MATERIALS FOR TISSUE ENGINEERING Marta Baewicz Department of Advanced Materials, University of Mining and Metallurgy, Cracow [Engineering of Biomaterials, 15-16, (2001), 32-35] NOWE ROZWIĄZANIA KONSTRUKCYJNE I MATERIAŁOWE STABILIZATORW ZEWNTRZNYCH DO ZESPALANIA KOCI Danuta Jasiska-Choromaska Instytut Mikromechaniki i Fotoniki Politechniki Warszawskiej
Streszczenie Rozwj cywilizacji i techniki, w tym motoryzacji prowadzi do znacznego wzrostu zama narzdw ruchu, a ich leczenie stanowi powany problem spoeczny. Istnieje wiele metodleczenia zama, jako e nale one do najstarszych w historii medycyny. Osteosynteza zewntrzna z wykorzystaniem ortopedycznych stabilizatorw zewntrznych stanowi obecnie jedn z najnowoczeniejszych metod leczenia zama koci. W dalszym cigu prowadzone s prace nad nowymi konstrukcjami i materiaami do wykonywania stabilizatorw zewntrznych. Referat przedstawia nowe rozwizania konstrukcyjne i materiaowe stabilizatorw zewntrznych do zespalania koci i metody modelowania i symulacji wykorzystane do ich projektowania. [Inynieria Biomateriaw, 15-16, (2001), 36-51] NEW DESIGNS AND MATERIAL SOLUTIONS OF THE EXTERNAL ORTHOPAEDIC FIXATORS Danuta Jasiska Choromaska Institute of Micromechanics and Photonics Warsaw University of Technology Abstract. Development of the civilisation and technology, especially the motor transport, causes a significant increase of fractures of the motion organs, and their treatment is a serious social problem. There are many methods of fracture healing since they belong to the oldest group in the history of medicine. At present, the external osteosynthesis with application of external orthopaedic fixators is one of the most modern methods of healing bone fractures. There are still carried out studies on new designs and materials the external fixators are made of. The paper presents new designs and material solutions of external fixators for fixing bone fragments as well as modelling and simulation methods used in order to design them. [Engineering of Biomaterials, 15-16, (2001), 36-51] POZYSKIWANIE OSTEOBLASTW LUDZKICH DO BADAŃ BIOMATERIAŁW IN VITRO Dorota Kudelska-Mazur*, Magorzata Lewandowska-Szumie*, Grzegorz Benke**, Marcin Kowalski**, Janusz Komender*. *Zakad Transplantologii i Centralny Bank Tkanek, Centrum Biostruktury, Akademia Medyczna w Warszawie **Katedra i Klinika Ortopedii i Traumatologii Narzdu Ruchu, Akademia Medyczna w Warszawie Streszczenie Niniejsza praca przedstawia metod izolacji i okrelania fenotypu osteoblastw ludzkich. Zastosowano zmodyfikowan metod izolacji osteoblastw wykorzystujc samorzutne wydostawanie si komrek z koci. Odpowiednio przygotowane amputowane kawaki koci umieszczano w poywce w naczyniu hodowlanym. Po upywie ok. 1-2 tygodni obserwowano pojedyncze komrki lub grupy komrek, przylegajce do dna naczynia. Jednolit warstw osteoblastw uzyskiwano po 2-8 tygodniach. W celu sprawdzenia fenotypu komrek wyizolowanych z koci oznaczono poziom osteokalcyny, aktywnoć fosfatazy zasadowej - podstawow i w odpowiedzi na dihydroksycholekalciferol, a take zdolnoć mineralizacji macierzy zewntrzkomrkowej. Jako kontrol przy badaniach fenotypu wykorzystano hodowle fibroblastw ludzkich izolowanych z amputowanych rdoperacyjnie fragmentw torebki stawowej. [Inynieria Biomateriaw, 15-16, (2001), 51-58] ISOLATION OF HUMAN PRIMARY OSTEOBLASTS FOR BIOMATERIALS INVESTIGATION IN VITRO
Dorota Kudelska-Mazur*, Magorzata Lewandowska-Szumie*, Grzegorz Benke**, Marcin Kowalski**,Janusz Komender* *Department of Transplantology and Central Tissue Bank, Center of Biostructure, Medical University of Warsaw. *Department of Orthopaedics and Traumatology of the Musculosceletal System, Medical University of Warsaw Abstract A method of human osteoblast isolation and evaluation of their phenotype have been described in this paper. The modified method of isolation using a bone chips culture was employed. Appropriately prepared amputated bone fragments were placed in culture dishes in culture medium. After approximately 1-2 weeks single cells or groups of cells adhering to the bottom of culture dishes were observed. A monolayer of cells was obtained after 2-8 weeks. Osteocalcin level and alkaline phosphatase activity - basal and in reaction to dihydroxycholecalciferol (1,25(OH)2D3) were measured and ability to mineralize extracellular matrix was estimated in order to check the phenotype of cells isolated from bone. Human fibroblasts cultures were isolated from joint fibrous capsule fragments amputated during surgery and served as control cells in osteoblast phenotype investigation. [Engineering of Biomaterials, 15-16, (2001), 51-58]