Patent ID: 11890149
Assignee: WUXI INSTITUTE OF TECHNOLOGY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 1:
2. The medical dental grinding apparatus according to claim 1, wherein the silencer (5) comprises an inner pipeline (51) and an outer pipeline (52); the inner pipeline (51) and the outer pipeline (52) are integrally formed; the inner pipeline (51) comprises a first air inlet (511) and a first pipeline (512); the outer pipeline (52) comprises a second air inlet (521), a second pipeline (522), and an air outlet (523); the first pipeline (512) is inserted into the second pipeline (522) through the second air inlet (521); a plurality of air holes are provided on the first pipeline (512), and the interior of the inner pipeline (51) is in communication with the interior of the outer pipeline (52) through the plurality of air holes; an outer diameter of the first pipeline (512) is adapted to an inner diameter of the second air inlet (521), and an inner diameter of the first air inlet (511) is larger than that of the second air inlet (521); an internal thread is provided on the first air inlet (511), and is adapted to the external thread at the upper port of the air outlet pipeline (22).