Provided is a capsule medical device structure and the like that are easy to assemble and can reduce the assembly time as compared with the prior art. The capsule medical device includes a housing 2 having a capsule shape, an imaging substrate 41 and a wireless substrate 61 connected via a flexible substrate, a spacer 300 that holds the imaging substrate 41, and a spacer that holds the wireless substrate 61. 500 and the second battery unit set 450 disposed between the spacers 300 and 500. The spacers 300 and 500 and the second battery unit set 450 include the spacers 300 holding the imaging board 41 and the wireless board 61, respectively. 500 is housed in the housing 2 with the second battery assembly 450 sandwiched between the two.組み立てが容易であり、且つ組み立て時間を従来よりも短縮できるカプセル型医療装置の構造等を提供する。このカプセル型医療装置は、カプセル形状を有する筐体２と、フレキシブル基板を介して連結された撮像基板４１及び無線基板６１と、撮像基板４１を保持するスペーサ３００と、無線基板６１を保持するスペーサ５００と、スペーサ３００及び５００の間に配置される第２電池部組４５０とを備え、スペーサ３００及び５００並びに第２電池部組４５０は、撮像基板４１及び無線基板６１をそれぞれ保持したスペーサ３００及び５００の間に第２電池部組４５０を挟み込んだ状態で筐体２内に収納されている。
