Spinal tissue distraction devices

Details Spinal tissue distraction devices Spinal tissue distraction devices

A - Human Necessities

61

F

A61F 2/44 (2006.01) A61B 17/70 (2006.01) A61B 17/88 (2006.01) A61F 2/46 (2006.01)

Patent

CA 2617872

Spinal tissue distraction devices (136) that include an elongated member which has a pre- deployed configuration for insertion between tissue layers and a deployed configuration in which the elongated member, by change of configuration, forms a helical or spiral support structure (141) for separating and supporting layers of spinal tissue. The distraction devices may also limit and direct the movement of flowable material to substantially reduce extravasation.

L'invention porte sur des dispositifs d'écartement de tissus spinaux comportant un élément allongé présentant une configuration prédéployée permettant son insertion entre des couches de tissus, et une configuration déployée dans laquelle l'élément allongé en changeant de configuration forme une structure porteuse permettant de séparer et de supporter les couches de tissus spinaux. Lesdits dispositifs d'écartement peuvent également limiter et diriger les mouvements de substances fluides de manière à réduire l'extravasation.

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