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:
Sep. 30, 2025
Filed:
Oct. 27, 2023
Beihang University, Beijing, CN;
Peking Union Medical College Hospital, Beijing, CN;
Chong Pan, Beijing, CN;
Yue Yu, Beijing, CN;
Yanpeng Liu, Beijing, CN;
Jiangsheng Wang, Beijing, CN;
Xinyu He, Beijing, CN;
Jizhi Zhao, Beijing, CN;
Beihang University, Beijing, CN;
Peking Union Medical College Hospital, Beijing, CN;
Abstract
Disclosed are a root canal fluid filling device and method. The root canal fluid filling device includes a root canal filling device box, including an upper box body and a lower box body which are arranged in upper and lower partitions and detachable; a positive and negative pressure generating apparatus, arranged in the lower box body; an air pressure monitoring apparatus, arranged in the lower box body and connected to the positive and negative pressure generating apparatus; an air pressure recovery apparatus, arranged in the lower box body; an auxiliary positioning apparatus, including an auxiliary positioning crown which is respectively connected to the positive and negative pressure generating apparatus, the air pressure monitoring apparatus and the air pressure recovery apparatus and is to be sleeved outside and cemented to a tooth to be subjected to root canal therapy; a control display apparatus; and a power supply apparatus.