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:
May. 09, 2006
Filed:
Aug. 07, 2003
Applicants:
Leticia Menchaca, Berkeley, CA (US);
A. David Johnson, San Leandro, CA (US);
Vikas Gupta, San Leandro, CA (US);
Valery Martynov, San Francisco, CA (US);
Inventors:
Leticia Menchaca, Berkeley, CA (US);
A. David Johnson, San Leandro, CA (US);
Vikas Gupta, San Leandro, CA (US);
Valery Martynov, San Francisco, CA (US);
Assignee:
Tini Alloy Company, San Leandro, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 6/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Contraceptive intrauterine devices made of thin film shape memory alloy materials. The devices are formed in three-dimensional shapes which contact uterus tissue of a human or other mammal to prevent conception. In certain embodiments, structural features such as tails, fenestrations, ridges or grooves are formed on the devices to enhance the contraceptive effect.