Ultrasonic diagnostic apparatus

An ultrasonic diagnostic apparatus comprising:

• an ultrasonic transducer including an acoustic lens, an electromechanical conversion element, a backing material, and a housing;
• a transducer holder that is driven to rotate in a state of holding the ultrasonic transducer;
• a cap arranged on an outer side of the ultrasonic transducer;
• an acoustic medium filled in the cap;
• a first connector fixed in an inside of the ultrasonic transducer;
• and
• a second connector that is arranged in the transducer holder, movable in a direction perpendicular to a connecting direction in the transducer holder in a state before connector connection, and connectable to the first connector, wherein
• the transducer holder has an external shape corresponding to an external shape of the ultrasonic transducer,
• the ultrasonic transducer is elastically deformed on the transducer holder side thereof with respect to the transducer holder and fit in the transducer holder to be positioned and fixed, and
• the second connector is positioned by connection to the first connector to electrically connect the ultrasonic transducer.

An ultrasonic diagnostic apparatus comprising:

• an ultrasonic transducer including an acoustic lens, an electromechanical conversion element, a backing material, and a housing having a cylindrical external shape portion;
• a transducer holder that has a cylindrical inner peripheral surface shape portion corresponding to the cylindrical external shape of the housing and holds the ultrasonic transducer;
• a first connector fixed in an inside of the ultrasonic transducer;
• and
• a second connector that is arranged in the transducer holder and supported in a state movable in a direction perpendicular to a connector connecting direction in the transducer holder in a state before connector connection, wherein
• in the ultrasonic transducer or the transducer holder, a positioning convex portion or concave portion for determining a position in an ultrasound generating direction of the ultrasonic transducer is formed,
• in the ultrasonic transducer and the transducer holder, the transducer holder side is elastically deformed, the cylindrical external shape portion of the ultrasonic transducer fits in the cylindrical inner peripheral surface shape portion of the transducer holder via the positioning convex portion or concave portion, positioning and fixing in the ultrasound generating direction of the ultrasonic transducer are performed, and
• the first connector and the second connector are connected to electrically connect the ultrasonic transducer.

An ultrasonic diagnostic apparatus comprising:

• an ultrasonic transducer including an acoustic lens, an electromechanical conversion element, a backing material, and a housing having a cylindrical external shape portion;
• a transducer holder that has a cylindrical inner peripheral surface shape portion corresponding to a cylindrical external shape of the housing and holds the ultrasonic transducer;
• a first connector fixed in an inside of the ultrasonic transducer;
• and
• a second connector that is arranged in the transducer holder and movable in a direction perpendicular to a connector connecting direction in the transducer holder in a state before connector connection, wherein
• in the ultrasonic transducer, a convex step portion for determining a position in an ultrasound generating direction of the ultrasonic transducer is provided,
• the transducer holder has a fitting portion corresponding to the step portion,
• in fitting of the ultrasonic transducer and the transducer holder, the transducer holder is elastically deformed and the cylindrical external shape portion of the ultrasonic transducer fits in the cylindrical inner peripheral surface shape portion of the transducer holder in the step portion to be positioned and fixed, and
• the first connector and the second connector are connected to electrically connect the ultrasonic transducer.

An ultrasonic diagnostic apparatus comprising:

• an ultrasonic transducer including an acoustic lens, an electromechanical conversion element, a backing material, and a housing;
• a first connector fixed in an inside of the ultrasonic transducer;
• and
• a second connector connectable to the first connector, wherein
• a ground terminal of the first connector is electrically and mechanically fixed to the housing on an outer side of the ultrasonic transducer.

An ultrasonic diagnostic apparatus comprising:

• an ultrasonic transducer including an acoustic lens, an electromechanical conversion element, a backing material, and a housing;
• a first connector fixed in an inside of the ultrasonic transducer;
• and
• a second connector connectable to the first connector, wherein
• a wiring portion of the first connector to the ultrasonic transducer is covered with a protection member in order to prevent contact of an electric connection portion with an adjacent terminal.

An ultrasonic diagnostic apparatus comprising:

• an ultrasonic transducer including an acoustic lens, an electromechanical conversion element, a backing material, and a housing;
• a first connector fixed in an inside of the ultrasonic transducer;
• and
• a second connector connectable to the first connector, wherein
• a positioning portion for performing positioning of the ultrasonic transducer with respect to the housing is provided on an external shape portion of the first connector.