Patent ID: 9180040
Filing Date: 2015-11-10
Classification: A61F,A61K

Abstract:
1. An intrauterine contraceptive system, comprising: a contraceptive intrauterine device; a retrieval thread permanently attached to the intrauterine device and having a length of between 5 centimeters and 9 centimeters; an insertion device for inserting the intrauterine device into a uterus, the insertion device comprising a shaft, a proximal end and a distal end; and a release thread releasably coupled with, and not permanently attached to, the intrauterine device, so that when the release thread is no longer needed for securing the intrauterine device to the insertion device, the release thread may be pulled off the intrauterine device, wherein the release thread extends from a first end, located at the proximal end of the insertion device, through the shaft of the insertion device, through the intrauterine device, to an attachment point at or near the proximal end of the insertion device, wherein the intrauterine device is deployable out of the distal end of the insertion device and is configured to change from a delivery configuration when housed in the insertion device to a deployed configuration when deployed in a uterus.