Patent ID: 8561469

Claim:
A three-dimensional mechanical ultrasonic probe, comprising: a base; a transducer for emitting an ultrasonic signal; a driven wheel with a hole, the driven wheel being connected to the transducer, the transducer being swung by the driven wheel; a motor fixed on the base; and a transmission system connected to the motor and a first rope, the transmission system being driven by the motor, the first rope being driven by the transmission system; wherein the first rope is connected to the transmission system and a rope adjusting dowel and wherein at least a portion of the first rope is wound around the rope adjusting dowel; wherein the rope adjusting dowel is pivotably inserted into the hole of the driven wheel; and wherein the rope adjusting dowel includes a waist-shaped hole and a slot, a knot of the first rope passing through the waist-shape hole and being blocked by the slot.