CPC A61M 5/1483 (2013.01) [A61M 5/14244 (2013.01); A61M 5/14593 (2013.01); A61M 5/31586 (2013.01); A61M 2005/14204 (2013.01); A61M 2005/14513 (2013.01); A61M 2205/0272 (2013.01); A61M 2205/3334 (2013.01)] | 15 Claims |
1. A substance delivery device comprising:
a lever comprising a drive arm rotatable about a pivot; and
an electroosmotic (EO) pump having a deformable chamber, the deformable chamber configured to rotate the drive arm about the pivot towards a container so as to deform the container to drive a fluid substance from the container;
wherein the EO pump is configured to apply an effort force to an effort region of the lever, thereby causing the effort region and a load region of the lever to move, the load region positioned to apply a load force to the container; and
wherein the drive arm comprises a load region and an effort region, the effort region is positioned between the load region and the pivot.
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