| 摘要 |
#CMT# #/CMT# The implant for replacing a facet joint surface comprises a thin plastic sheet (6) which is fitted directly on the surface and is fastened in place with screws, pins or sutures (11). #CMT# : #/CMT# An independent claim is included for facet joint replacements comprising two or more implants as described. #CMT#USE : #/CMT# Replacing a facet joint surface. #CMT#ADVANTAGE : #/CMT# Bone is conserved and the size of the operation wound is minimized. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a perspective view of two vertebral bodies, showing the fitting of an implant. 3, 4 : Facets 5 : Facet joint 6 : Thin plastic sheet 7, 9 : Lugs on plate 11 : Sutures #CMT#POLYMERS : #/CMT# Preferred materials: The sheet is made from a polyetheretherketone. |
