US 11,850,181 B2
Intrauterine contraceptive device
Michael Tal, Savyon (IL); Bob Katz, San Jose, CA (US); Mark James Debisschop, Harwinton, CT (US); Peter Wilson, Killingworth, CT (US); and Oleg Shikhman, Trumbull, CT (US)
Assigned to SEBELA VLC LIMITED, Hamilton (BM)
Filed by SEBELA VLC LIMITED, Hamilton (BM)
Filed on Feb. 26, 2021, as Appl. No. 17/186,831.
Application 17/186,831 is a continuation of application No. 16/224,312, filed on Dec. 18, 2018, granted, now 10,932,943.
Application 16/224,312 is a continuation of application No. 15/217,295, filed on Jul. 22, 2016, granted, now 10,159,596, issued on Dec. 25, 2018.
Application 15/217,295 is a continuation of application No. 14/796,965, filed on Jul. 10, 2015, granted, now 9,427,351, issued on Aug. 30, 2016.
Application 14/796,965 is a continuation of application No. 13/795,940, filed on Mar. 12, 2013, granted, now 9,089,418, issued on Jul. 28, 2015.
Application 13/795,940 is a continuation in part of application No. 13/585,039, filed on Aug. 14, 2012, granted, now 9,265,652, issued on Feb. 23, 2016.
Prior Publication US 2021/0177646 A1, Jun. 17, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 6/14 (2006.01); A61F 6/18 (2006.01)
CPC A61F 6/144 (2013.01) [A61F 6/142 (2013.01); A61F 6/18 (2013.01)] 1 Claim
OG exemplary drawing
 
1. A contraceptive device for localized delivery of a substance in a uterus, the contraceptive device comprising:
an elongate shape memory member, comprising:
a bottom loop disposed at a bottom of the 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 substance delivery sleeves coupled with the two arms and the bottom loop of the elongate shape memory member at locations to locally deliver the substance to the uterus in an area at the fallopian tubes and an area at a cervical os.