The present invention relates to oral skeleton extenders customized fastening means comprises two located on either side of the callus is attached to the body of the mandible at the fastening point of the two (1,2). The skeleton extension device: threaded cylindrical rail connected and fixed means of two a) the two (1, 2) (6) bone to be extended as well be induced to slide b) the rail and (6) above a movable carriage mounted on the portion of it is (10) comprises a (11) gear screw that engages a rail provided with a thread that complements the screw thread of the rail movable carriage screw gears c) (11 pin for controlling the rotation of (11) gear screw which is integral with) A (12), said pin is substantially parallel to (6) the rail, two bearings which are disposed a movable carriage (10) (13 is supported on either side of the wheel by screws 14), (12) passes through the pin above d) is located one end gear screw (11) to (16), while the other said end portion (16) The resilient members include one, and (15) located at least the inner wall (14) to (18) bearing facing. It can be used for the reconstruction of part of the bone which is defective or deficient bone formation by extension the present invention. [Selection Figure Figure 4本発明は、2つの固定ポイントで下顎体に装着され仮骨のいずれかの側に位置する2つの固定手段(1,2)を備えるカスタマイズされた口腔内骸骨延長装置に関する。当該骸骨延長装置は:a)前記2つの固定手段(1,2)を接続するねじ切り円柱状レール(6);及びb)前記レール(6)上を滑るように誘導されると共に延長される骨の部分に装着される可動キャリッジ(10)であり、前記可動キャリッジは、レールのねじ山を補完するねじ山を備えると共にレールと係合する歯車ねじ(11)を備え;c)歯車ねじ(11)と一体化した歯車ねじ(11)の回転を制御するピン(12)であって、前記ピンはレール(6)にほぼ平行であり、可動キャリッジ(10)に配置された2つのベアリング(13,14)によって歯車ねじのいずれかの側で支持され;d)前記ピン(12)が通過し一方で歯車ねじ(11)の一端部(16)に位置し他方で前記端部(16)に面するベアリング(14)の内壁(18)に位置する少なくとも1つの弾性部品(15)と、を含む。本発明は骨形成延長により欠損又は欠陥のある骨の部分の再構成のために用いうる。【選択図】図4
