PROBLEM TO BE SOLVED: To provide a compact and inexpensive in vivo cell stimulation device capable of performing a local treatment.SOLUTION: The in vivo cell stimulation device includes: an electromagnetic wave generator 10 for generating electromagnetic wave where a frequency, which is a value equal to the inverse of the relaxation time of a dielectric substance contained in a prescribed element among the plurality of elements constituting prescribed in vivo cells 2, is defined as a reference frequency a waveguide 30 for propagating the electromagnetic wave outputted from the electromagnetic generator 10 and a parabola antenna 40 for irradiating by convergence a very small region F including the prescribed in vivo cells 2 with the electromagnetic wave guided by the waveguide 30.COPYRIGHT: (C)2009,JPO&INPIT【課題】コンパクトかつ安価な装置で、局所的な治療をすることの可能な生体内細胞刺激装置を提供する。【解決手段】所定の生体内細胞2を構成する複数の要素のうち所定の要素に含まれる誘電性物質の緩和時間の逆数と等しい値の周波数を基本周波数とする電磁波を発生する電磁波発生器10と、電磁波発生器10から出力された電磁波を伝播させる導波管30と、導波管30によって導波された電磁波を、所定の生体内細胞2を含む微小領域Fに収束照射するパラボラアンテナ40とを備える。【選択図】図1