Patent ID: 6241517
Filing Date: 2001-06-05
Classification: A61C

Abstract:
A arch expander for expanding the mandibular or maxillary arch of a human patient; the mandibular arch expander comprising:a first forward orthodontic bands and a second orthodontic band;a pair of rear orthodontic bands, the rear orthodontic bands being operatively connected to the first and second forward orthodontic bands;an arm extending lingually from a lingual side of the first forward orthodontic band;a expander body rotationally mounted on the arm to rotate about the arm; the body having a passage extending rearwardly from a front end of the body, the body passage being at least partially internally threaded; andan expansion rod mounted to a lingual side of the second forward orthodontic band; the expansion rod being externally threaded at a rear end thereof; the threaded end of the expansion rod being threadedly received in the threaded portion of the body passage.