Patent ID: 7798972

Claim:
An ultrasonic probe including an ultrasonic probe body and a puncture adapter, wherein the ultrasonic probe body comprises a rod shaped insertion portion insertable into a subject and a search unit for transmitting and receiving ultrasonic waves at a tip end of the insertion portion, and a guide channel for guiding a puncture needle being formed on a side surface of the insertion portion, and the puncture adapter comprises a first tubular component on which a gap is provided on a side surface thereof along a length direction, the gap extending from one end to an other end of the side surface, the first tubular component being mounted so as to contact an outside of the insertion portion and cover the guide channel, and being turnable in the circumferential direction thereof, wherein the first tubular component is a C-shaped structure which forms a C-shaped figure at the one end and the other end in a circumferential direction of the ultrasonic probe, and wherein the C-shaped structure covers the guide channel and the gap releases the guide channel when the puncture adapter is mounted on the ultrasonic probe.