PROBLEM TO BE SOLVED: To provide an in-vivo diagnostic apparatus and a control method for the same for acquiring an excellent image by automatically suppressing adherence of blood or bubbles to a vibrator unit.SOLUTION: The in-vivo diagnostic apparatus is joined to an in-vivo insertion probe 1 which has a sheath 2 inserted in a living body and a driving shaft 42 having a signal transmission receiving member 411 for transmitting/receiving a signal at an end to perform shaft rotation and movement in the axis direction in the sheath 2, acquires in-vivo information by transmitting/receiving a signal to/from the signal transmission receiving member 411, and moves the driving shaft 42 in the sheath 2, and has: an axis direction movement device 72 for moving the driving shaft 42 in the axis direction a medium supply means 73 for supplying a transmission medium into the in-vivo insertion probe and a control unit 79 for controlling the medium supply means 73 and adjusting a supply amount of the transmission medium in accordance with a signal from the signal transmission receiving member 411 or an amount of movement in the axis direction of the driving shaft 42.COPYRIGHT: (C)2011,JPO&INPIT【課題】振動子ユニットへの血液や気泡の付着を自動的に抑制して良好な画像を取得できる生体内診断装置およびその制御方法を提供する。【解決手段】生体内に挿入されるシース2と、信号を送受信する信号送受信部材411を先端に有して前記シース2内で軸回転および軸方向移動が可能な駆動シャフト42と、を有する生体内挿入プローブ1と接続し、前記信号送受信部材411との間で信号を送受信して生体内の情報を取得するとともに前記駆動シャフト42を前記シース2内で移動させるための生体内診断装置であって、前記駆動シャフト42を軸方向に移動させる軸方向移動装置72と、前記生体内挿入プローブ内へ伝達媒体を供給する媒体供給手段73と、前記媒体供給手段73を制御し、前記信号送受信部材411からの信号または前記駆動シャフト42の軸方向移動量に応じて伝達媒体の供給量を調整する制御部79と、を有する。【選択図】図1
