PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic apparatus capable of improving the visibility of a puncture needle.SOLUTION: An ultrasonic diagnostic apparatus comprises: an ultrasonic probe 2 which acquires an echo signal by transmitting and receiving ultrasonic waves to and from a subject in a three-dimensional space a probe identification unit which identifies information about the position and orientation of the ultrasonic probe 2 in the three-dimensional space a puncture needle identification unit which identifies information about the position and orientation, in the three-dimensional space, of a puncture needle 12 to be inserted into the subject and a control unit which performs control such that the angle between the ultrasonic transmission and reception beam BM and the puncture needle 12 becomes 90 degrees, on the basis of positional relations between the ultrasonic probe 2 and the puncture needle 12 in the three-dimensional space, the positional relations being identified by the information from the probe identification unit and from the puncture needle identification unit.COPYRIGHT: (C)2015,JPO&INPIT【課題】穿刺針の視認性を向上させることができる超音波診断装置を提供する。【解決手段】三次元空間の被検体に対して超音波の送受信を行なってエコー信号を取得する超音波プローブ2と、超音波プローブ2の位置及び向きの情報を前記三次元空間において特定するプローブ特定部と、前記被検体に刺入される穿刺針12の位置及び向きの情報を前記三次元空間において特定する穿刺針特定部と、前記プローブ特定部及び前記穿刺針特定部の情報によって特定される前記超音波プローブ2と前記穿刺針12との前記三次元空間における位置関係に基づいて、送受信ビームBMと前記穿刺針12との角度が90度になる制御を行なう制御部と、を備えることを特徴とする。【選択図】図4
