Patent ID: 9610191
Date: 2017-04-04
CPC Classifications: A61F,A61K

Claim:
1. A method for delivering a contraceptive intrauterine device into a uterus, the method comprising: advancing a distal end of an insertion device through a vaginal cavity and a cervix and into the uterus; advancing the intrauterine device out of the distal end of the insertion device, into the uterus, wherein the intrauterine device is permanently attached to a retrieval thread and removably coupled with a release thread; pulling the release thread off of the intrauterine device; and removing the release thread and the insertion device from the uterus, leaving the intrauterine device behind in the uterus, without cutting the retrieval thread, wherein the retrieval thread extends from an attachment point of the retrieval thread with the intrauterine device through the cervix into the vaginal cavity.