Figure 1From: Do refinements to original designs improve outcome of total knee replacement? A retrospective cohort studyLateral view of the 'classic’ and 'complete’ insert and femoral component. (a) Higher anterior lip of the insert of the 'complete’ compared with the 'classic’. (b) Cylindrical segment at the 'complete’ insert compared with the previously tapered 'classic’ insert stem. (c) Extended anterior flange of the 'complete’ femoral component compared with the anterior flange of the 'classic’ femoral component. (d) Flat interior surface of the 'complete’ femoral component compared with the curved interior surface of the 'classic’ femoral component.Back to article page