Matrix-gel graft without cells

A - Human Necessities – 61 – L

Patent

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Details

A61L 27/56 (2006.01) A61L 27/48 (2006.01) A61L 27/58 (2006.01)

Patent

CA 2665511

The invention relates to a cell-free matrix gel graft comprising: (i) a coherent, framework-forming matrix having open porosity made of a biologically and pharmaceutically acceptable material, and (ii) a gel made of a biologically and pharmaceutically acceptable material. The invention also provides a method for producing said cell-free matrix-gel graft, comprising the following steps: (v) bringing the matrix and the gel into contact, and (vi) drying the matrix-gel complex formed in (v). Furthermore, the present invention provides for the use of the cell-free matrix-gel graft for covering and increasing the visco-elasticity of defects, for regenerating tissue and particularly for regenerating mesenchymal tissue, particularly of cartilage and/or bone.

L'invention concerne un greffon acellulaire à gel matriciel constitué (i) d'une matrice continue formant un bâti avec une porosité ouverte en un matériau biologiquement et pharmaceutiquement acceptable et (ii) d'un gel en un matériau biologiquement et pharmaceutiquement acceptable. Dans un deuxième temps, un procédé de fabrication d'un tel greffon acellulaire à gel matriciel comprend les étapes suivantes : (v) mise en contact de la matrice avec le gel, et (vi) séchage du complexe de gel matriciel formé en (v). Dans un troisième temps, la présente invention prévoit enfin l'utilisation du greffon acellulaire à gel matriciel pour recouvrir et augmenter la viscoélasticité de défauts, pour la régénération tissulaire et en particulier pour la régénération de tissu mésenchymateux, en particulier de cartilages et/ou d'os.

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