Shanghai Jiaotong University

Rosenberger (shanghai) Technology Co., Ltd.

Fang Ji

Yi Zhang

Jian Li

Jun Zhao

Quan Yu

Ning Zhao

Daigen Chen

Yiming Yang

Mingzhen Hu

Xiaogang Pan

Bing Fang

Fengting Chu

Qingling You

Wenxuan Shi

Qiping Feng

Lunguo Xia

Guohua Tang

Chenjie Yang

Lingjun Yuan

Peijun Lu

Zheng Hu

Rongjing Chen

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.

Force applying device for orthodontic treatment

The invention discloses an outdoor optical fiber connector, which includes a female head flange assembly, a male head assembly, an insertion core fixing assembly and a docking assembly, and the docking assembly includes a pluggable locking member or a threaded locking member, and the female head flange assembly is provided with two docking structures respectively docked with the pluggable locking member and the threaded locking member. The connector of the invention provides multiple docking modes, meeting different installation requirements, and the connector is an ultra-small outdoor connector, having a compact overall space, and have a convenient and fast installation.

Outdoor optical fiber connector

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Shanghai, China

Fang Ji