Patent ID: 6436098
Filing Date: 2002-08-20
Classification: A61B,Y10S,Y10T

Abstract:
A method for securing a hollow tubular sleeve to two adjacent vertebrae comprising:inserting a spinal distractor in the disc space on one side of the vertebrae, said distractor having a flat shoulder portion abutting the vertebrae; placing said hollow tubular sleeve having on one end engagement means for engaging two adjacent vertebrae and a circumferentially enlarged tubular back end, said back end having a raised crown portion, said sleeve being placed over said distractor, said distractor serving as a centering post and as an alignment rod for said outer sleeve; engaging a driver cap to said tubular back end, said driver cap having a closed rear surface on one end and a circular front opening at the other end, said driver cap defining a first large recess within said circular opening for engaging the tubular back end of said outer sleeve, and a second smaller recess for engaging said crown portion forming an internal shoulder between said first and second recesses; applying an impaction force with an impacting means to said driver cap whereby said force is transmitted via said internal shoulder to said outer sleeve until said crown is seated within said second recess; removing said driver cap from said back end; and removing said distractor with a distractor pulling means leaving said outer sleeve in place.