The phrase "quick infusion" means a fast and rapid introduction or addition of something, usually a liquid or substance, into a system or object. Full definition
If you need a quick infusion of cash, it is not the funding vehicle for you. (inc.com)
The plan, while not a panacea, does not need congressional approval — which makes it Puerto Rico's best hope for a quick infusion of cash that can be used to reform one of its most costly and least efficient sectors. (politico.com)
Haszeldine and his colleagues therefore call for a quick infusion of massive funds on a global scale, something Steven Chu appears to have at least started in the U.S. And the energy secretary hopes to see major results within a decade. (blogs.scientificamerican.com)