The stem cells were delivered to damaged heart muscle via angioplasty catheters, a minimally invasive procedure.
"Syndrome"
Thomas Hoover
He gathered his long cloak round his body, and went to the highest spot within his reach, about a mile from the watch-tower at Cape Grisnez, and thence he had a fine view of the vast invasive fleet and the vaster host behind it.
"Springhaven A Tale of the Great War"
R. D. Blackmore
If Flaubert deserved prosecution, it was not for making vice attractive, but for expressing with invasive energy that personal and desperately pessimistic conception of life by which he was almost overwhelmed.
"The George Sand-Gustave Flaubert Letters"
George Sand, Gustave Flaubert Translated by A.L. McKensie