US 12,324,718 B2
Root canal treatment device
Xunxian Wu, Guangxi (CN); Yoshitsugu Terauchi, Guangxi (CN); Fengwen Wei, Guangxi (CN); Kunyou Wu, Guangxi (CN); Jianfeng Zhan, Guangxi (CN); Xingzhi Xian, Guangxi (CN); and Zerong Chen, Guangxi (CN)
Assigned to GUILIN WOODPECKER MEDICAL INSTRUMENT CO., LTD., Guangxi (CN)
Appl. No. 17/792,666
Filed by GUILIN WOODPECKER MEDICAL INSTRUMENT CO., LTD., Guangxi (CN)
PCT Filed Dec. 30, 2020, PCT No. PCT/CN2020/141639
§ 371(c)(1), (2) Date Jul. 13, 2022,
PCT Pub. No. WO2022/110495, PCT Pub. Date Jun. 2, 2022.
Claims priority of application No. 202011358766.9 (CN), filed on Nov. 27, 2020; and application No. 202022805145.2 (CN), filed on Nov. 27, 2020.
Prior Publication US 2023/0053221 A1, Feb. 16, 2023
Int. Cl. A61C 5/42 (2017.01); A61C 1/06 (2006.01); A61C 1/07 (2006.01); A61C 1/12 (2006.01)
CPC A61C 5/42 (2017.02) [A61C 1/06 (2013.01); A61C 1/07 (2013.01); A61C 1/12 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A root canal treatment device, comprising a contra-angle hand-piece and a root canal file detachably connected to the contra-angle hand-piece; and further comprising a drive module in transmission connection with the root canal file, wherein the drive module comprises a rotation driver and a vibration generator, the rotation driver is configured to drive the root canal file to rotate axially, and the vibration generator is configured to drive the root canal file to vibrate radially,
wherein the root canal treatment device further comprises a handle connected to the contra-angle hand-piece, wherein the rotation driver is provided in the handle and the rotation driver drives the root canal file to rotate through the contra-angle hand-piece, the vibration generator is provided on the handle, and a vibration end of the vibration generator acts on the root canal file;
wherein the vibration generator is a vibrator, the vibrator comprises a plastic housing and a vibration motor provided in the plastic housing, and the vibrator is fixed on the contra-angle hand-piece through the plastic housing; and
wherein a vibration output end of the vibration motor is connected to a jacking block through an elastic member, and the jacking block is extended out of the plastic housing through an opening provided on the plastic housing, and abuts against the root canal file at a side wall of the root canal file.