Open intervertebral spacer

Details Open intervertebral spacer Open intervertebral spacer

2007-09-25

2007-09-25

Gherbi, Suzette (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

Reexamination Certificate

active

10756971

ABSTRACT:
Open chambered spacers, implanting tools and methods are provided. The spacers500′ include a body505′ having a wall506′ which defines a chamber530′ and an opening531′ in communication with the chamber530′. In one embodiment the wall506′ includes a pair of arms520′, 521′ facing one another and forming a mouth525′ to the chamber530′. Preferably, one of the arms520′ is truncated relative to the other, forming a channel526. In one aspect the body505′ is a bone dowel comprising an off-center plug from the diaphysis of a long bone. The tools800include spacer engaging means for engaging a spacer and occlusion means for blocking an opening defined in the spacer. In some embodiments, the occlusion means820includes a plate821extendable from the housing805. In one specific embodiment the plate821defines a groove822which is disposed around a fastener830attached to the housing805so that the plate821is slideable relative to the housing805.

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