Jukka Seppälä (Inventor), Petri Orava (Inventor)

Research output: Patent


The invention is related to an implanting or filling method in connection with clinical treatments, and to biocompatible and at a controlled rate biodegradable synthetic polymer materials used in connection with the same. The materials are copolymers of derivatives of organic hydroxy acids, such as lactides and lactones, having a melting temperature adjusted to be most preferably 6 - 12 DEG C above the body temperature through selection of monomer composition and preparation parameters. Thus said material in a molten state or as plasticized can be, through injection or using a suitable heated press, transferred to its target area and there shaped before it solidifies to a solid plastic, a wax or a rubbery material. The method can be utilized in medical applications aiming at controlled release of drugs or other active agents when the material acts as a matrix, as well as in surgery and dentistry for different kinds of treatments of tissue damages.

Original languageEnglish
Patent numberWO9826814
IPCA61L 31/ 06 A I
Priority date17/12/1996
Publication statusPublished - 25 Jun 1998
MoE publication typeH1 Granted patent

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  • Cite this

    Seppälä, J., & Orava, P. (1998). IPC No. A61L 31/ 06 A I. PLASTICIZABLE IMPLANT MATERIAL. (Patent No. WO9826814).