Eklemeli Üretim İle Elde Edilen Fonksiyonel Kademelendirilmiş Gözenekli İmplantlar

Yıl 2019, Cilt: 7 Sayı: 3, 540 - 553, 27.09.2019

Fahri Murat , İsmail Hakkı Korkmaz , Abdullah Tahir Şensoy İrfan Kaymaz

https://doi.org/10.29109/gujsc.524165

Cited By: 1

Öz

Gözenekli yapılar, vücutta kullanılan implant ve
protezler için doku oluşumunun desteklenmesi, gerilme kalkanı ve aseptik
gevşeme problemlerinin giderilmesi gibi üstünlüklerinden dolayı biyomedikal
endüstrisinde giderek artan bir kullanım oranına sahiptir. Homojen yoğunluğa
sahip gözenekli yapıların biyolojik süreçlere olumlu katkıları olsa da, bu
yapılar mekanik açıdan istenen özellikleri sergilemede yetersiz kalmışlardır.
Bu durumda kullanılacak olan implantın biyolojik ve mekanik olarak optimum
tasarımı sunması gerekmektedir. Bahsedilen problemin çözümü için yük taşıyan
ortopedik implant üzerinde doku rejenerasyonu ve mekanik davranışın birbirleriyle
uyumunu sağlayan fonksiyonel kademelendirilmiş yapılar sunulmuştur.
Gözenekliliğin, implantın yük taşıyan kesitlerinde çok yoğun, doku ile temas
eden bölgelerinde ise az yoğun olduğu tasarımlar, eklemeli üretim yöntemleri
ile uygulanabilir hale gelmiştir. Yapılan bu çalışmada gözenekli implantlar,
fonksiyonel kademelendirilmiş gözenekli yapılar ve bu yapıların eklemeli üretim
uygulamalarının bulunduğu literatürdeki son gelişmeler derlenmiştir. Sonuç
olarak eklemeli üretim uygulamalarında biyolojik iyileşme süreçlerini
hızlandırarak mekanik özellikleri geliştirmek için kullanılacak olan gözenekli
implant tasarımları hakkında bir yol haritası sunulmuştur.

Anahtar Kelimeler

Fonksiyonel Kademelendirilmiş Malzemeler, Eklemeli Üretim, Gözenekli İmplantlar

Kaynakça

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