The first planting bar is planted to penetrate the metaphysis corresponding to the inside of the growth plate of the long bone to be treated so as to promote bone growth without damage to the growth plate and improve the safety of the treatment. And a second planting bar that is planted so as to penetrate the bone edge outside the growth plate, and is placed so as to be adjacent to the outer surface of the long bone to be treated and installed inside the skin tissue covering the long bone to be treated However, there is provided a bone growth promoting implant device comprising stimulating and stretching means that stretch between the ends of each planting bar such that the growth plate is pulled through an increase in spacing with the planting bar. .成長板の損傷なしに骨の成長を促進させ、施術の安全性が向上するように、施術対象長骨の成長板内側に対応する骨幹端を貫通するように植立される第１植立バーと、成長板外側の骨端を貫通するように植立される第２植立バーと、施術対象長骨の外面に隣接するように配置され、施術対象長骨を覆い包む皮膚組織内部に設置されるが、植立バーとの間隔増大を介して、成長板が引っ張られるように、各植立バーの端部間で伸張する刺激伸張手段と、を含む骨成長促進用インプラント装置を提供する。
