US 12,296,127 B2
Intravesical drug delivery devices
Michael J. Cima, Winchester, MA (US); and Heejin Lee, Bedford, MA (US)
Assigned to Massachusetts Institute of Technology, Cambridge, MA (US)
Filed by Massachusetts Institute of Technology, Cambridge, MA (US)
Filed on Mar. 24, 2023, as Appl. No. 18/125,810.
Application 15/412,240 is a division of application No. 12/333,182, filed on Dec. 11, 2008, granted, now 9,586,035, issued on Mar. 7, 2017.
Application 18/125,810 is a continuation of application No. 16/847,862, filed on Apr. 14, 2020, granted, now 11,612,718.
Application 16/847,862 is a continuation of application No. 15/412,240, filed on Jan. 23, 2017, granted, now 10,646,691, issued on May 12, 2020.
Claims priority of provisional application 61/084,927, filed on Jul. 30, 2008.
Claims priority of provisional application 61/007,177, filed on Dec. 11, 2007.
Prior Publication US 2023/0226314 A1, Jul. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 31/00 (2006.01); A61K 9/00 (2006.01); A61K 31/167 (2006.01); A61M 25/01 (2006.01)
CPC A61M 31/002 (2013.01) [A61K 9/0024 (2013.01); A61K 9/0034 (2013.01); A61K 31/167 (2013.01); A61M 25/0102 (2013.01); A61M 25/0108 (2013.01); A61F 2250/0068 (2013.01); A61M 2205/0216 (2013.01); A61M 2210/1085 (2013.01)] 21 Claims
OG exemplary drawing
 
1. An intravesical drug delivery device comprising:
a tubular body housing a drug,
wherein the tubular body is formed in a configuration having a sufficient spring constant to retain the device in a patient's bladder, and
wherein the tubular body has a shape which has exactly two smaller arches sharing a single common larger arch.