| CPC A61N 7/02 (2013.01) | 17 Claims |

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1. An ultrasonic treatment tip, comprising:
a shell, provided with a first sound-transmitting hole;
a sound-transmitting membrane, providing coverage of the first sound-transmitting hole; and
a cover, fixedly coupled with the shell,
wherein the cover, the sound-transmitting membrane and the shell are configured to jointly form a sealed accommodation cavity; and the ultrasonic treatment tip further comprises:
an ultrasonic transducer, provided in the sealed accommodation cavity, a sound emitter of the ultrasonic transducer being faced with the first sound-transmitting hole; and
a compensator provided in the sealed accommodation cavity, configured to adjust internal pressure changes in the accommodation cavity when the sound emitter is working;
wherein the shell comprises an inner shell and an outer shell fixedly connected with each other; the inner shell is connected to the compensator and is sealedly connected to the cover, and the outer shell is sleeved on outside the inner shell;
a sealing ring is clamped between the inner shell and the cover.
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