PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic device capable of achieving improvement of operability, and further to provide a cross-sectional position specification unit.SOLUTION: An ultrasonic diagnostic device 1 comprises: a portable-type device main body 3 to which an ultrasonic probe 2 for obtaining an ultrasonic image is connected an inclination detection section 17 that is provided in the device main body 3 and detects inclination information related to three-dimensional inclination of the device main body 3 an input section 15 that is provided in the device main body 3 and is subjected to input operation by an operator a permission section for permitting a change of a specific position associated with acquisition of the ultrasonic image in response to the input operation by the operator to the input section 15 and a change section for changing the specific position associated with the acquisition of the ultrasonic image by using the inclination information detected by the inclination detection section 17 when the change of the specific position associated with the acquisition of the ultrasonic image is permitted by the permission section.COPYRIGHT: (C)2014,JPO&INPIT【課題】操作性の向上を実現することができる超音波診断装置及び断面位置指定装置を提供する。【解決手段】実施形態に係る超音波診断装置1は、超音波画像を得るための超音波プローブ2が接続される携帯型の装置本体3と、その装置本体3に設けられ装置本体3の三次元の傾きに関する傾き情報を検出する傾き検出部17と、装置本体3に設けられ操作者により入力操作される入力部15と、その入力部15に対する操作者の入力操作に応じて超音波画像の取得に係る特定位置の変更を許可する許可部と、その許可部により超音波画像の取得に係る特定位置の変更が許可された場合、傾き検出部17により検出された傾き情報を用いて超音波画像の取得に係る特定位置を変更する変更部とを備える。【選択図】図1
