The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 2020
Filed:
May. 19, 2017
Xing Zhou, Guangzhou, CN;
Xiangmin Zhang, Guangzhou, CN;
Xing Zhou, Guangzhou, CN;
Xiangmin Zhang, Guangzhou, CN;
Other;
Abstract
A lateral pharyngeal wall tractor including a bone fixer, a traction mechanism and a lateral pharyngeal wall fixer; wherein the lateral pharyngeal wall fixer is configured to be fixed on an M. palatopharyngeus or other submucous tissues of a lateral pharyngeal wall; the bone fixer is configured to be fixed on a processus alveolaris or a hamulus pterygoideus or a processus pterygoideus as a supporting point; one end of the traction mechanism is connected to the bone fixer, the other end is connected to the lateral pharyngeal wall fixer; the elastic traction force produced by the traction mechanism is greater than the collapse force of the lateral pharyngeal wall which is produced by negative pressure during inspiration, but is less than the contraction force which is produced by the muscle of the lateral pharyngeal wall during deglutition.