Patent ID: 6217323
Filing Date: 2001-04-17
Classification: A61C

Abstract:
A dental distractor for rapid orthodontic tooth movement after tooth extraction, comprising:a canine band for mounting on a canine and having a canine triple tube on a buccal side thereof, the canine triple tube having a horizontal first bore;a molar band for mounting on a molar and having a molar triple tube on a buccal side thereof, the molar triple tube having a horizontal second bore;a first joint device including a first hook engaged with the first bore of the canine triple tube and a first joint having a through hole formed therein, wherein the first hook is C-shaped with a first end portion engaged with the first bore and a second end portion fixedly connected to the first joint;a second joint device including a second hook engaged with the molar band and a second joint having a screw hole formed therein, wherein the second hook is C-shaped with a first end portion engaged with the second bore and a second end portion fixedly connected to the second joint, the C-shapes of the first and second hooks opening towards each other; anda screw bar having a first end passing through the through hole of the first joint and a second end engaged with the screw hole of the second joint, and a screw nut fixedly mounted on said first end of the screw bar adjacent to the first joint;wherein the first joint device is moved toward the second joint device when the screw nut is turned for moving the canine rearward.