The endoscope insertion shape observation probe 1 which is incorporated in the channel provided in the endoscope insertion portion in the insertion freely or endoscope insertion portion, an electronic component 10, the recess-shaped for accommodating the electronic component 10 a housing portion 21, a pair of electrical connections 41, 42 provided in the housing portion 21, together with the provided in the electronic component 10 are electrically connected to engage the pair of electrical connections 41, 42, It includes a pair of electrical connection terminal portions 15 and 17 to mechanically hold the electronic component 10 in the housing portion 21, a.内視鏡挿入部に設けられたチャンネルに挿通自在または内視鏡挿入部に内蔵される内視鏡挿入形状観測用プローブ1であって、電子部品10と、電子部品10を収容する凹部状の収容部21と、収容部21に設けられた一対の電気接続部41,42と、電子部品10に設けられ、一対の電気接続部41,42に係合して電気的に接続されると共に、電子部品10を収容部21に機械的に保持する一対の電気接続端子部15,17と、を具備する。
