Patent ID: 9180039
Filing Date: 2015-11-10
Classification: A61F

Abstract:
1. An intrauterine device for applying force to a wall of a uterus to promote contraception without blocking the fallopian tubes, the intrauterine device comprising: an elongate member formed of Nitinol, having a diameter between 0.010 inch and 0.025 inch, and having a default expanded configuration and a spring portion disposed approximately at a midpoint between two ends of the elongate member; wherein the elongate member comprises two elongate members that diverge away from one another; and two tissue contact members, one of which is disposed at one end of the elongate member and the other of which is disposed at the other end, wherein each tissue contact member comprises a non-porous material and has a surface area of at least 30 mm squared, wherein the intrauterine device has a width measured from a tip of one tissue contact member to a tip of the other tissue contact member of at least 40 mm in its expanded configuration outside the uterus.