	US 11,786,662 B2
	Ampule autoinjector systems and methods
Keith Chan, Seattle, WA (US); Ben Carney, Seattle, WA (US); Zachary Chen, Seattle, WA (US); Ha Seung Chung, Seattle, WA (US); Jazmine Saito, Seattle, WA (US); Wealth Mele Salvador, Seattle, WA (US); and Shawn Swanson, Seattle, WA (US)
Assigned to UNIVERSITY OF WASHINGTON, Seattle, WA (US)
Filed by University of Washington, Seattle, WA (US)
Filed on Dec. 4, 2019, as Appl. No. 16/703,808.
Application 16/703,808 is a continuation of application No. 15/480,029, filed on Apr. 5, 2017, granted, now 10,532,157.
Claims priority of provisional application 62/320,286, filed on Apr. 8, 2016.
Prior Publication US 2020/0108205 A1, Apr. 9, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 5/24 (2006.01); A61M 5/20 (2006.01); A61M 5/315 (2006.01); A61M 5/19 (2006.01); A61M 5/28 (2006.01); A61M 5/31 (2006.01); A61M 5/32 (2006.01)

CPC A61M 5/2466 (2013.01) [A61M 5/19 (2013.01); A61M 5/2033 (2013.01); A61M 5/288 (2013.01); A61M 5/3145 (2013.01); A61M 5/31591 (2013.01); A61M 5/3243 (2013.01); A61M 2005/208 (2013.01); A61M 2005/2013 (2013.01); A61M 2005/2026 (2013.01); A61M 2005/247 (2013.01); A61M 2005/2407 (2013.01); A61M 2005/3128 (2013.01); A61M 2205/581 (2013.01)]

19 Claims

1. An autoinjector comprising:

an outer body;

a first trigger;

an output needle;

a first compartment, wherein the first compartment is positioned within the outer body, wherein upon application of force to the first trigger, force is applied within the first compartment to allow a medicament to flow to the output needle; and a second compartment is arranged in series with the first compartment such that the second compartment and the first compartment have a common central axis and are longitudinally spaced apart in a first position and the second compartment is positioned in the outer body and in fluid communication with the first compartment and the output needle, wherein the first compartment is configured to move in a distal direction relative to the second compartment.