PROBLEM TO BE SOLVED: To provide a posture image display device of medical equipment capable of easily recognizing a posture of medical equipment in a subject without an operator looking away from the subject.SOLUTION: An endoscope system 1 includes: a standard plate 26 having a plurality of coils fixed to a subject； a coil position calculation part for calculating the position of the coils based on a magnetic field generated by the plurality of coils； a subject position calculation part for calculating the position of a patient P from the result of the calculation by the coil position calculation part； a subject direction calculation part for calculating the direction of the patient P from the result of the calculation by the coil position calculation part； an insertion shape data creation part for creating an endoscope insertion shape image indicating the insertion shape of an insertion part 11 in the patient P； and a projection image adjustment circuit for controlling the output of the endoscope insertion shape image projected by a projector 4 based on the result of the calculation by the subject position calculation part and the result of the calculation by the subject direction calculation part.SELECTED DRAWING: Figure 1【課題】術者が被検体から目を離さずに、被検体内の医療機器の姿勢を容易に認識することができる医療機器の姿勢画像表示装置を提供する。【解決手段】内視鏡システム１は、被検体に対して固定される複数のコイルを有する基準プレート２６と、複数のコイルが発生する磁界に基づいて、コイルの位置を算出するコイル位置算出部と、コイル位置算出部の算出結果から、患者Pの位置を算出する被検体位置算出部と、コイル位置算出部の算出結果から、患者Pの向きを算出する被検体向き算出部と、患者P内の挿入部１１の挿入形状を示す内視鏡挿入形状画像を生成する挿入形状データ生成部と、被検体位置算出部の算出結果と被検体向き算出部の算出結果とに基づいて、プロジェクタ４が投影する内視鏡挿入形状画像の出力を制御する投影画像調整回路を有する。【選択図】図１
