Apparatus and instruments used in foot surgery; Foot retractors for use in podiatric surgery; Holders specially adapted for orthodontic retainers; Orthodontic appliances; Orthodontic brackets; Orthodontic machines and instruments; Orthodontic retainers; Orthodontic rubber bands; Orthopaedic inner soles incorporating arch supports; Orthopedic apparatus for talipes; Orthopedic device to stretch and exercise the toes and feet; Protective sleeves used with orthopedic bracing systems to protect skin from abrasions; Splints, surgical; Toe separators for orthopaedic purposes