Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Valery Martynov0
A. David Johnson0
Leticia Menchaca0
Vikas Gupta0
Date of Patent
May 9, 2006
0Patent Application Number
106382820
Date Filed
August 7, 2003
0Patent Primary Examiner
Patent 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.
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