Method to impregnate a porous bone replacement material

A - Human Necessities – 61 – L

Patent

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Details

A61L 24/00 (2006.01) A61L 27/56 (2006.01)

Patent

CA 2535188

The invention relates to a method to impregnate a porous bone replacement material with a liquid impregnating agent, wherein: a) the bone replacement material is or will be enclosed in a chamber with two openings that can be closed; b) the impregnating agent is introduced into the chamber until the bone replacement material is at least partly immersed in the impregnating agent; c) one of the two openings will be closed; d) the chamber is evacuated at least partly via the other, open, opening so that the air contained in the pores of the bone replacement material is at least partly removed from it; e) the vacuum produced in the chamber is terminated again by supplying air or a gas through one of the openings; and f) the vacuum produced in the pores of the bone replacement material is terminated by the impregnating agent penetrating into the pores of the bone replacement material immersed into the impregnating agent.

Procédé d'imprégnation d'une matière poreuse (1) sous forme d'os artificiel à l'aide d'un milieu d'imprégnation liquide (5), selon lequel (a) la matière sous forme d'os artificiel (1) est enfermée dans une chambre (2) pourvue de deux orifices (3, 4) pouvant être fermés, (b) le milieu d'imprégnation (5) est introduit dans la chambre (2) jusqu'à ce que l'os artificiel (1) soit au moins en partie immergé dans le milieu d'imprégnation (5), (c) un des deux orifices (3; 4) est fermé, (d) le vide est au moins partiellement créé dans la chambre (2) par l'autre orifice (4; 3) non fermé, si bien que l'air contenu dans les pores de l'os artificiel (1) est au moins partiellement évacué, (e) le vide produit dans la chambre (2) est supprimé par introduction d'air ou d'un gaz par un des orifices (3; 4), et (f) le vide produit dans les pores de l'os artificiel (1) est supprimé par la pénétration du milieu d'imprégnation (5) dans les pores de l'os artificiel (1) immergé dans le milieu d'imprégnation (5).

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