Porous surface layers with increased surface roughness and...

Details Porous surface layers with increased surface roughness and... Porous surface layers with increased surface roughness and...

A - Human Necessities

61

L

A61L 27/04 (2006.01) A61F 2/32 (2006.01) A61F 2/38 (2006.01) A61F 2/40 (2006.01) A61F 2/44 (2006.01)

Patent

CA 2741747

Systems and methods for providing tissue-interfacing surface layers with increased roughness can be attained by providing a metallic powder to a machined or previously machined tissue-interfacing surface of a porous foam structure. The metallic powder can have sizes and characteristics such that the porous structure can have an increased roughness at the tissue-interfacing machined surface while inhibiting the occlusion of the open pores in the porous metallic foam structure.

L'invention porte sur des systèmes et des procédés permettant de doter des couches de surface d'interface avec un tissu d'une rugosité accrue, pouvant être obtenus par apport d'une poudre métallique sur une surface d'interface avec un tissu usinée ou préalablement usinée d'une structure de mousse poreuse. La poudre métallique peut avoir des tailles et des caractéristiques telles que la structure poreuse peut avoir une rugosité accrue au niveau de la surface d'interface avec un tissu usinée tout en empêchant la fermeture des pores ouverts dans la structure de mousse métallique poreuse.

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