Title:
A BARRIER CONTRACPTIVE DEVICE FOR FEMALE
Document Type and Number:
WIPO Patent Application WO/2003/013405
Kind Code:
A1
Abstract:
The present invention relates a barrier contracptive device for female. The device is a solid body that is made of elastic materials. The solid body has a shape that is conformed to a cavity of the expand area at the up section of vagina, and has a concavity on the superior end of covering the cervix uteri. A zonular circular insulate stage is set between the superior and lower portions of the outside wall of the solid body. Alternatively , the insulate stage may be a cuppy insulate skeleton that is made of elastic materials. The hardness of the insulate skeleton is higher than the solid body
Inventors:
MA SHANGBIN (CN)
WANG JUAN (CN)
WANG JUAN (CN)
Application Number:
PCT/CN2002/000509
Publication Date:
February 20, 2003
Filing Date:
July 22, 2002
Export Citation:
Assignee:
WANG XIAOCHENG (CN)
MA SHANGBIN (CN)
WANG JUAN (CN)
MA SHANGBIN (CN)
WANG JUAN (CN)
International Classes:
A61F6/08; (IPC1-7): A61F6/08
Foreign References:
| US4369773A | 1983-01-25 | |||
| US4198976A | 1980-04-22 | |||
| US4198965A | 1980-04-22 | |||
| CN1097974A | 1995-02-01 | |||
| CN2396792Y | 2000-09-20 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD (Bldg. B Tsinghua Tongfang Hi-Tech Plaza, No.
1, Wangzhuang Rd, Haidain District Beijing 3, CN)
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