Patent ID: 9308022
Filing Date: 2016-04-12
CPC Classification: A61B,A61N

Claim Text:
1. A system for implanting a plurality of medical devices in a patient through a single percutaneous entry point, the system comprising: a cannula having a cannula lumen extending therethrough, the cannula lumen having an inside diameter; a first dilator having an outside diameter smaller than the inside diameter of the cannula lumen, the first dilator positionable within the cannula lumen to prevent coring upon insertion of the cannula and the first dilator into the patient to produce the percutaneous entry point; and at least one additional dilator, including a final dilator, wherein each additional dilator includes a dilator lumen having an inside diameter larger than an outside diameter of a preceding dilator, wherein each additional dilator is positionable over a preceding dilator to expand the percutaneous entry point, and wherein the final dilator includes a lumen having an elliptical cross-section shape.