Use of osseo-promotive membranes in orthopaedics

Details Use of osseo-promotive membranes in orthopaedics Use of osseo-promotive membranes in orthopaedics

A - Human Necessities

61

F

A61F 2/28 (2006.01) A61B 17/58 (2006.01) A61F 2/30 (2006.01) A61F 2/00 (2006.01) A61F 2/02 (2006.01) A61F 2/36 (2006.01) A61F 2/46 (2006.01) A61F 13/00 (2006.01)

Patent

CA 2370358

The use of an occlusive or semi-occlusive membrane is described for promotion of bone growth in orthopaedic surgery, wherein a bone injury is sealed by closing the injury with a membrane which is substantially inert to body fluids and is adapted to prevent ingrowth of fibrous tissue into said injury. Preferably, the membrane is a laminate of at least two layers comprising a first layer having openings of a size which are adapted to be penetrated by fibrous soft tissue, and a second layer which is non-porous or has pores which are too small to be penetrated by soft tissue, the second layer being adapted to lie adjacent the bone injury.

L'invention concerne l'utilisation d'une membrane occlusive ou semi-occlusive, permettant de favoriser la croissance osseuse dans une chirurgie orthopédique, une lésion osseuse étant refermée à l'aide d'une membrane sensiblement inerte aux fluides corporels, et conçue de façon à empêcher l'interposition de tissu fibreux dans ladite lésion. La membrane est, de préférence, un stratifié possédant au moins deux couches, qui comprend une première couche dotée d'ouvertures dont la taille permet au tissu mou fibreux de les pénétrer, et d'une seconde couche non poreuse ou possédant des pores trop petits pour que le tissu mou les pénètre, cette seconde couche étant conçue de façon à être adjacente à la lésion osseuse.

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