HIGH-STRENGTH CRYSTALLIZED GLASS CERAMIC COMPRISING WOLLASTONITE, HYDROXYAPATITE AND AKERMANITE

• Main Authors: RYU, MI YOUNG, SEO, JUN HYUK, RYU, HYUN SEUNG, PARK, SUNG NAM
• Format: Patent
• Language: English; French; Korean
• Published: 02.06.2016
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS

The present invention relates to a crystallized glass ceramic comprising 30 to 40 % by weight of each of CaSiO3, Ca10(PO4)6(OH)2 and Ca2Mg(Si2O7), a crystallized glass ceramic composition comprising CaSiO3, Ca10(PO4)6(OH)2 and Ca2Mg(Si2O7) in a predetermined weight ratio, a bone graft material comprising the glass ceramic, and a medical device for replacement of osseous tissue, or an intervertebral spacer, which is manufactured using the bone graft material. La présente invention concerne une vitrocéramique cristallisée qui comporte 30 à 40 % en poids de chacun de CaSiO3, Ca10(PO4)6(OH)2 et Ca2Mg(Si2O7), une composition de vitrocéramique cristallisée qui comporte du CaSiO3, du Ca10(PO4)6(OH)2 et du Ca2Mg(Si2O7) dans un rapport pondéral prédéterminé, un matériau de greffe osseuse comportant la vitrocéramique et un dispositif médical pour le remplacement de tissu osseux, ou un dispositif d'espacement intervertébral, qui est fabriqué à l'aide du matériau de greffe osseuse. CaSiO3, Ca10(PO4)6(OH)2 및 Ca2Mg(Si2O7)을 각각 30 내지 40 중량%로 포함하는 결정화 유리 세라믹, CaSiO3, Ca10(PO4)6(OH)2 및 Ca2Mg(Si2O7)을 소정의 중량비로 포함하는 결정화 유리 세라믹 조성물, 상기 유리 세라믹을 포함하는 골이식재 및 상기 골이식재로 제조된 척추간 스페이서 또는 골조직 대체용 의료기기에 관한 것이다.