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1. 发明公开

EP3909543A1 ROTATABLE SUBGINGIVAL SPRAYER NOZZLE OF DENTAL SANDBLASTING MACHINE 审中-公开
公开(公告)号：EP3909543A1
公开(公告)日：2021-11-17
申请号：EP20887043.6
申请日：2020-08-28
申请人： Guilin Woodpecker Medical Instrument Co., Ltd.
发明人： TANG, Peng , LIU, Tao , WEI, Kunsong
IPC分类号： A61C3/025
摘要： Provided is a rotatable subgingival sprayer nozzle of a dental sandblasting machine, which includes a nozzle (6), a sprayer elbow (5) and a sprayer body (4). The nozzle (6) includes a nozzle body (61) and a nozzle locking cap (9) that are rotatably connected to each other. The nozzle (6) is detachably connected to the sprayer elbow (5). The sprayer body (4) is fixedly connected to the sprayer elbow (5). The nozzle body (61) is a plastic part and disposable. The nozzle (6) is provided with a second groove (8), a fourth air pipe (62) and a fourth water pipe (63). The sprayer elbow (5) is provided with a first groove (7), a third air pipe (52) and a third water pipe (53). The third air pipe (52) passes through an end of the first groove (7) and is interference fitted with the fourth air pipe (62). The third water pipe (53) and the fourth water pipe (63) are connected via the first groove (7) and the second groove (8). Thus, slits between teeth and dead corners of periodontal pockets can be conveniently cleaned by rotating the direction of the nozzle (6), thereby facilitating all-around treatment.

2. 发明公开

EP4162895A1 DENTAL POWDER-JET HANDPIECE 审中-实审
公开(公告)号：EP4162895A1
公开(公告)日：2023-04-12
申请号：EP22732379.7
申请日：2022-01-20
申请人： Guilin Woodpecker Medical Instrument Co., Ltd.
发明人： WU, Xunxian , TANG, Peng , ZHANG, Libin
IPC分类号： A61C3/025
摘要： The embodiment of the present disclosure discloses a dental sand blasting gun, when dental sand blasting powder is removed from a sand blasting handle, the dental sand blasting powder in a sand powder tank does not need to be poured out; a reversing valve, a second gas outlet and a purging pipe are additionally arranged in the sand powder tank, an gas inlet is enabled to be communicated with the second gas outlet through the reversing valve, furthermore, and the gas inlet is not communicated with a first gas outlet, then, compressed gas entering the second gas outlet is introduced into the sand blasting handle through the purging pipe, and the dental sand blasting powder remained in the sand blasting handle is removed; simultaneously, according to the dental sand blasting gun disclosed in the present disclosure, the sand blasting handle and the sand powder tank are separately designed, so that a user only needs to hold the sand blasting handle when using the dental sand blasting gun, the weight of the held part of the dental sand blasting gun is reduced, the use comfort of the dental sand blasting gun is improved, and the hand fatigue feeling is relieved; and meanwhile, the sand powder tank does not occupy the space around the sand blasting handle, which reduces the volume of the sand blasting handle, reduces the influence on the visual field of a user, and improves the convenience of operation.

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