Patent ID: 11911312
Assignee: BAYER OY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 10:
11. A method of providing contraception in a patient, comprising:
(a) providing an intrauterine system having a reservoir containing a hormone and a removal string attached to the intrauterine system;
(b) sounding a uterus to predetermine a depth for placement of the intrauterine system;
(c) holding an inserter in one hand, the inserter comprising:
a handle comprising:
a longitudinal opening; and
a slider arranged in the longitudinal opening, the slider being movable;

a plunger attached to the handle;
an insertion tube attached to the slider; and
a lock arranged inside the handle and adapted to reversibly lock the intrauterine system in relation to the plunger via the removal string, the lock being controllable by the slider, the lock comprising an object configured to allow movement of the removal string by at least partly moving or pivoting from a locked position to a released position, wherein the object comprises an opening or a slot in a diagonal direction through essentially a whole diameter of the object, adapted to receive the removal string and wherein the removal string is immobilized by the object in the locked position;

(d) introducing the inserter into the uterus with the one hand until the intrauterine system is at the depth; and
(e) moving the slider with one digit of the one hand, thereby moving or pivoting the object to the released position and releasing the removal string and intrauterine system within the uterus.