Expandable fabric implant for stabilizing the spinal motion segm

Details Expandable fabric implant for stabilizing the spinal motion segm Expandable fabric implant for stabilizing the spinal motion segm

1995-03-01

1996-08-27

Isabella, David

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

Implantable prosthesis

Bone

606 61, A61F 244, A61F 504

Patent

active

055496792

ABSTRACT:
A method for stabilizing a spinal motion segment by boring and excising an opening in a disc nucleus, inserting a fabric bag having a pore size between about 0.25 and 5.0 mm, packing the bag with a graft medium until the bag is a rigid self-retaining shape, then closing the bag. The nucleus is excised by inserting an expandable cutting tool in order to cut an area greater than the access opening. A further spinal stabilization includes positioning a flexible bag containing graft medium against the exterior of the lamina bone of the adjacent vertebra. The exterior lamina bone is prepared by roughening to present a bleeding surface to hasten bone growth.

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