Patent ID: 8956327
Filing Date: 2015-02-17
Classification: A61B,A61M

Abstract:
1. An access device for placing a medical article within a body space, comprising: a needle having an elongated needle body with a distal end and a hub from which the needle body extends, the elongated needle body comprising at least one side fenestration and an outer diameter; a dilator slideably disposed on the needle body, comprising a dilator hub and an elongated dilator shaft that extends from the dilator hub, wherein the dilator shaft comprises at least one side fenestration in communication with the needle side fenestration, wherein the dilator shaft comprises an inner diameter that is less than the outer diameter of the needle, and wherein the dilator hub comprises a receiving portion; a medical article comprising a tubular section and a hub, the tubular section being disposed on the dilator and defining a space between the medical article and the dilator in communication with the needle side fenestration through the dilator side fenestration, wherein at a least portion of the medical article is configured to allow visual determination of the presence of a body fluid within the space; and an insert disposed within the dilator receiving portion, the insert comprising a through-hole configured to receive the needle body therethrough, the through-hole being slightly larger than the needle body so as to form a passage between the insert and the needle body that allows gases to pass through the passage and to the atmosphere but hinders the passage of a body fluid.