Patent ID: 8535325
Filing Date: 2013-09-17
Classification: A61B,A61F,A61M

Abstract:
1. A kit for use in sealably injecting a biomaterial into an intradiscal space accessed through an opening in the annulus of a spinal disc, comprising: at least one needle sized for introduction through the opening in the annulus, said needle having a passageway for injecting the biomaterial therethrough, a proximal end adapted to engage a source of the biomaterial and a distal end configured to be disposed within the intradiscal space when said needle extends through the opening in the annulus; a stop affixed to said needle at a pre-determined distance from said distal end, said pre-determined distance defining the location of said distal end within the intradiscal space when said needle extends through the opening in the annulus; and a plurality of seals defining a bore for sliding engagement with said needle and configured for against in a fixed interface against said stop between said stop and said distal end, each of said plurality of seals including a sealing face for engaging the annulus around said needle when said needle extends through the opening in the annulus, each said sealing face defining a differently configured area of contact.