Patent ID: 6655959
Filing Date: 2003-12-02
Classification: A61C

Abstract:
An orthodontic device for adjusting the distance between a first tooth and a second tooth located in a single quadrant of a mouth, comprising:an outer tube having a first end, an open second end, a hollow interior, and a first longitudinal axis extending along the hollow interior between the first end and the second end, the first end adapted to be mounted to the first tooth; an inner tube having a third end, a fourth end, and a second longitudinal axis extending between the third end and the fourth end, the third end slidably received within the second end of the outer tube to form an enclosed space and the fourth end adapted to be mounted to the second tooth; and a spring positioned in the enclosed space, the spring biasing the inner tube toward the first end of the outer tube in a direction substantially parallel to the first and the second longitudinal axes, wherein said spring adjusts the distance between the first tooth and the second tooth located in the single quadrant when said orthodontic device is mounted thereto.