CARTILAGE REMOVAL TOOL
FIG10 is an exploded view of the cartilage removal instrument of FIG8
FIG10 is an exploded view of the instrument 900. The shank 910 has a mounting plate 922 at the end opposite the attachment portion 940. The plate 920 can be attached to the mounting plate 922 by a screw 924, rivet, or the like inserted through the hole 923 in the mounting plate 922. In some embodiments, the plate 920 is used for one surgical procedure, removed, and replaced with a fresh plate 920. The attachment portion 940 can be secured to the housing 916 by set screws 925 or other fasteners.
exploded view
942
cross-shaped end
900
instrument
920
plate
922
mounting plate
923
hole
940
attachment portion
925
set screws
912
ball
924
screw
934
blade
918
received in mating slots
10
range from
914
circular opening
916
housing
910
shank
['1. An instrument for use in cartilage removal, the instrument comprising: an elongate body having a first end and a longitudinal axis having a longitudinal direction; and, a cartilage removal portion coupled to the elongate body at the first end, the cartilage removal portion including a plurality of serrated blades substantially perpendicular to the longitudinal axis and adapted for removing material while moving in the longitudinal direction, each serrated blade having a centroid thereof located along the longitudinal axis.', '2. The instrument of claim 1, wherein each of the blades has a circular plate with a plurality of teeth arranged around a respective circumference.']