US 12,296,154 B2
Delivery devices for therapeutic substances
Matthew Gardner Maher, Toronto (CA); Angel Leonardo Guerrero Palacio, Toronto (CA); and Philippe Marchand, Pointe-Claire (CA)
Assigned to BLUEROCK THERAPEUTICS LP, Cambridge, MA (US)
Filed by BLUEROCK THERAPEUTICS LP, Cambridge, MA (US)
Filed on Apr. 26, 2023, as Appl. No. 18/139,738.
Application 18/139,738 is a continuation of application No. 17/229,218, filed on Apr. 13, 2021, granted, now 11,666,710.
Claims priority of provisional application 63/009,572, filed on Apr. 14, 2020.
Prior Publication US 2023/0256177 A1, Aug. 17, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 5/32 (2006.01); A61M 5/315 (2006.01); A61M 5/34 (2006.01)
CPC A61M 5/3234 (2013.01) [A61M 5/3157 (2013.01); A61M 5/3293 (2013.01); A61M 5/34 (2013.01); A61M 5/31575 (2013.01); A61M 5/31586 (2013.01)] 45 Claims
OG exemplary drawing
 
1. A method of delivering a substance from a delivery device comprising:
moving a needle in the delivery device in a retraction direction, the needle having a needle lumen; and
moving a plunger through the needle lumen in a deployment direction simultaneously with movement of the needle in the retraction direction to eject the substance from a delivery end of the needle, wherein the retraction direction is opposite the deployment direction.