PROBLEM TO BE SOLVED: To reduce diameters of an ultrasonic probe and an ultrasonic endoscope and to certainly and easily carry out electric connection concerning a signal conductor extended from an ultrasonic oscillator.SOLUTION: This ultrasonic probe is furnished with a pad group 102 for wiring the oscillator arranged on a head end part of a printed board 101 for the ultrasonic oscillator arranging a signal pattern to transmit and receive a plurality of signals of the ultrasonic oscillator, a pad group 108 for wiring the flexible printed board provided in a row along the longitudinal axial direction of the printed board 101 for the ultrasonic oscillator, a second signal pattern group 106 connected between the pad group 102 for wiring the oscillator and the pad group 108 for wiring the flexible printed board and bent roughly at 90 degrees in the middle and an relay flexible printed board 121 connected to the pad group 108 for wiring the flexible printed board and to change a direction of the signal pattern to the longitudinal axial direction.COPYRIGHT: (C)2008,JPO&INPIT【課題】超音波探触子および超音波内視鏡の細径化を図ると共に、超音波振動子から延出する信号線に係る電気的な接続を確実かつ容易に行う。【解決手段】複数の超音波振動子の信号送受を行なう信号パターンを配した超音波振動子用プリント基板101の先端部に配設された振動子配線用パッド群102と、超音波振動子用プリント基板101の長手軸方向に沿って列設されたフレキシブルプリント基板配線用パッド群108と、振動子配線用パッド群102とフレキシブルプリント基板配線用パッド群108との間に接続され、途中で略90度曲折した第2信号パターン群106と、フレキシブルプリント基板配線用パッド群108に接続されると共に信号パターンの方向を長手軸方向に変換する中継フレキシブルプリント基板121と、と備える。【選択図】図6