Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ORAL RETENTION DEVICE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/057905
Kind Code:
A1
Abstract:
Disclosed are an oral retention device and a preparation method therefor. The oral retention device comprises a tooth fitting component and a drug loading component. The tooth fitting component is connected to the drug loading component. The tooth fitting component is used for bridging a tooth in the oral cavity and matching same and the tooth. The drug loading component can accommodate at least one tablet, and is used for making the tablet retained in the oral cavity. The preparation method for the oral retention device is selected from any one of 3D printing, injection molding, or stamp molding. When the tablet is inserted into the oral retention device of the present invention, a drug-device combination product can be formed, the drug-device combination product is fixed onto the fitting teeth in the oral cavity, and the tablet is not easy to fall off in the oral cavity, so that the medicine can be continuously released within a certain time, the tablet can be replaced, and the medicine is continuously and stably released.

Inventors:
DONG LIANGCHANG (CN)
CHEN XISHAN (CN)
WU GANG (CN)
Application Number:
PCT/CN2021/119120
Publication Date:
March 24, 2022
Filing Date:
September 17, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHANGHAI WD PHARMACEUTICAL CO LTD (CN)
International Classes:
A61J7/00
Domestic Patent References:
WO2019223753A12019-11-28
Foreign References:
CN212973560U2021-04-16
KR101424763B12014-08-01
US20150238292A12015-08-27
CN1997421A2007-07-11
US4735804A1988-04-05
US5002772A1991-03-26
US6685962B22004-02-03
US4434153A1984-02-28
US5750585A1998-05-12
US5972389A1999-10-26
US6120803A2000-09-19
US6660300B12003-12-09
US20070196396A12007-08-23
US9439851B22016-09-13
US4167558A1979-09-11
US5232704A1993-08-03
US6261601B12001-07-17
US4140760A1979-02-20
US5068109A1991-11-26
US4193985A1980-03-18
US4900557A1990-02-13
US6207197B12001-03-27
US20410608A2008-09-04
US66827407A2007-01-29
CN1997421A2007-07-11
CN1925823A2007-03-07
CN105873631A2016-08-17
Other References:
See also references of EP 4215175A4
Attorney, Agent or Firm:
SHANGHAI BESHINING LAW OFFICE (CN)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: COMBINATION OF ONCOLYTIC VIRUS AND MODIFIED IMMUNE CELLS FOR TREATMENT OF TUMORS

Next Patent: COMPOUND FOR PREVENTING AND TREATING LIVER DISEASES AND PHARMACEUTICAL USE THEREOF