A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/44 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01) A61F 2/48 (2006.01)
Patent
CA 2590952
A radially compressed xerogel spinal nucleus implant (3) is manufactured and utilized for implantation into an intervertebral disc space. The implant has an optimized cross-sectional ellipsoid configuration which facilitates insertion of the implant through a minimal incision in the annulus. Radial compression is achieved by exerting substantially equilateral circumferential compression on an object contained within a radially collapsible member (1) for exerting substantially equilateral circumferential compression on the object. Radial compression may also be achieved by exerting substantially equilateral circumferential compression force on a spinal nucleus implant via gas pressure in a sealed chamber.
La présente invention a trait à un implant de noyau spinal en xérogel à compression radiale fabriqué et utilisé pour implantation dans un espace discal intervertébral. L'implant présente une configuration ellipsoïde de section transversale optimisée qui facilite l'insertion de l'implant à travers une incision minimale dans l'anneau. La compression radiale est réalisée par l'application d'une compression circonférentielle sensiblement équilatérale sur un objet contenu au sein d'un organe apte à un affaissement radial pour l'application d'une force de compression circonférentielle sensiblement équilatérale sur l'implant de noyau spinal par l'intermédiaire d'une pression gazeuse dans une enceinte étanche.
Gontarz Gerald
Prewett Ann
Mcfadden Fincham
Replication Medical Inc.
LandOfFree
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