Allan Aho (Inventor), Jukka Seppälä (Inventor), Antti Yli-Urpo (Inventor), Jouni Heikkilä (Inventor), Ilkka Kangasniemi (Inventor)

Research output: Patent


The invention relates to a composite intended for medical, in particular surgical or therapeutic, use. According to the invention, the composite comprises a thermoplastic component plasticizable within the temperature range -10 DEG C ... +100 DEG C, which is substantially made up of hydroxy acids or structural units derived from hydroxy acid derivatives, and the molar mass of which is within the range 10,000 - 1,000,000 g/mol, and which degrades in the body typically within a period ranging from a few days to several years, and which in its solid state is a mechanically strong plastic or rubbery material, a bioactive component, which is a bioactive glass, a bioactive xerogel, a bioactive ceramic material, coral or a coral-based product, or a bioactive glass ceramic material. The invention also relates to the use of the novel composite and to products made therefrom.

Original languageEnglish
Patent numberWO9902201
IPCA61L 27/ 46 A I
Priority date08/07/1997
Publication statusPublished - 21 Jan 1999
MoE publication typeH1 Granted patent


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