Granted Patent B2

US 12,544,255 · App. 18/511,470 · Granted Feb 10, 2026

Inventors: Michael Tal (Savyon, IL); Bob Katz (San Jose, CA); Mark James Debisschop (Harwinton, CT); Peter Wilson (Killingworth, CT); Oleg Shikhman (Trumbull, CT)

Assignee: Sebela VLC Limited

A61F6/144A61F6/142A61F6/18

Abstract

Claims (9)

1 . An intrauterine contraceptive device for localized delivery of copper in a uterus, the intrauterine contraceptive device comprising:

an elongate shape memory member comprising nitinol and comprising:

a bottom loop disposed at a bottom of the intrauterine contraceptive device;

a middle portion extending upward from the bottom loop;

two arms extending in opposite directions away from the middle portion;

a first tissue contact surface at an end of one of the two arms; and

a second tissue contact surface at an end of the other of the two arms; and

multiple copper sleeves coupled with the two arms and the bottom loop of the elongate shape memory member at locations to locally deliver the copper to the uterus in an area at the fallopian tubes and an area at a cervical os,

wherein a total exposed surface area of the multiple copper sleeves does not exceed 200 square millimeters.

Assignments (2)

Continuity (7)

References Cited (97)