Patent ID: 11931148
Assignee: BECTON, DICKINSON AND COMPANY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 14:
15. The method of claim 11, wherein the plug comprises a distal end, a proximal end, a lumen extending through the distal end of the plug and the proximal end, and a tubular section disposed between the distal end of the plug and proximal end of the plug, wherein the distal end of the plug comprises a neck portion extending from the tubular section and a skirt extending from the tubular section to define an annular channel between the skirt and the neck portion, wherein the neck portion is inserted into the proximal end of the needle hub, wherein the proximal end comprises a luer adapter and a septum disposed within the luer adapter, wherein a portion of a wall of the tubular section comprises a hole, a hydrophobic membrane disposed within the hole towards an outside of the plug, and a hydrophilic membrane within the hole towards an inside of the plug, wherein the hydrophilic membrane prevents fluid leakage through the hole, wherein the hydrophobic membrane provides venting of the flashback chamber.