US 11,672,696 B2
Therapeutic agent delivery device with convergent lumen
Joseph H. Contiliano, Stewartsville, NJ (US); Thomas E. Meyer, Philadelphia, PA (US); Daniel J. Abbott, Maple Valley, WA (US); Michael F. Keane, Downingtown, PA (US); Allen C. Ho, Lower Gwynedd, PA (US); Mark C. Tsai, Chalfont, PA (US); and Isaac J. Khan, Bridgewater, NJ (US)
Assigned to Gyroscope Therapeutics Limited, London (GB)
Filed by Gyroscope Therapeutics Limited, London (GB)
Filed on Mar. 27, 2020, as Appl. No. 16/832,102.
Application 16/832,102 is a continuation of application No. 15/924,395, filed on Mar. 19, 2018, granted, now 10,639,193.
Application 15/924,395 is a continuation of application No. 14/726,786, filed on Jun. 1, 2015, granted, now 9,949,874, issued on Dec. 10, 2015.
Claims priority of provisional application 62/008,745, filed on Jun. 6, 2014.
Prior Publication US 2020/0222232 A1, Jul. 16, 2020
Int. Cl. A61F 9/00 (2006.01); A61M 25/06 (2006.01)
CPC A61F 9/0008 (2013.01) [A61F 9/0017 (2013.01); A61M 25/065 (2013.01); A61M 25/0662 (2013.01); A61F 9/0026 (2013.01); A61M 2025/0681 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
(a) inserting an instrument through an anterior region of a patient's eye, the instrument including a first cannula and a second cannula slidably disposed in the first cannula, the act of inserting the instrument through the anterior region of the patient's eye comprising inserting the first cannula through the anterior region of the patient's eye;
(b) traversing a vitreous region of the patient's eye with the instrument;
(c) positioning a distal portion of the instrument at a posterior region of the patient's eye, adjacent to a retina of the patient's eye, the act of positioning the distal portion of the instrument at the posterior region of the patient's eye comprising advancing a distal portion of the second cannula to the Posterior region of the patient's eye;
(d) advancing a fluid delivery element of the instrument through the retina; and
(e) delivering a fluid to the posterior region of the patient's eye via the advanced fluid delivery element.