Force applying device for orthodontic treatment

US12318262B2 · kind B2 · utility

Assignee

• SHANGHAI NINTH PEOPLE'S HOSPITAL, SHANGHAI JIAOTONG UNIVERSITY · CN

Inventors

• Bing Fang · Hong Kong, CN
• Lei HUANG · Shanghai, CN
• Wenxuan Shi · Shanghai, CN
• Lunguo Xia · Shanghai, CN
• Lingjun Yuan · Nanhu, CN
• Ning Zhao · Tangxia, CN
• Peijun Lu · Shanghai, CN
• Zheng-Kai Hu · Taipei, TW
• Rongjing Chen · Shanghai, CN
• Qingling YOU · Shanghai, CN
• Guohua Tang · Shanghai, CN
• Xiaogang Pan · Shanghai, CN
• Yiming Yang · Taichung, TW
• Fengting Chu · Shanghai, CN
• Quan Yu · Shanghai, CN
• Fang Ji · Shanghai, CN
• Jun Zhao · Mianyang, CN
• Qiping Feng · Shanghai, CN
• Chenjie Yang · Shanghai, CN

Key dates

• Filing date: Dec 16, 2021
• Grant date: Jun 3, 2025
• Expiry date: Jul 13, 2043

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61C7/36
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Disclosed is a force applying device for orthodontic treatment being elastically expandable and configured to generate a restoring force as an orthodontic force for an orthodontic treatment when compressed. The force applying device comprises a first element and a second element capable of moving relative to each other along a first axis. The force applying device for orthodontic treatment is compressed when the first and second elements move towards each other along the first axis. A first arm extends laterally from a first end of the first element away from the second element. A first connecting part of a first connector is fitted over the first arm. A second connecting part of the first connector is to be fitted over a button fixed on a first jaw to connect the first element to the first jaw. Both the first and the second connecting parts are toroidal in shape.