Patent ID: 11872360
Assignee: BECTON, DICKINSON AND COMPANY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A catheter system, comprising:
a catheter assembly, comprising:
a catheter adapter, comprising a lumen extending through the catheter adapter;
a catheter extending distally from the catheter adapter; and

a needle assembly coupled to the catheter assembly, the needle assembly comprising:
a plug, wherein an outer surface of the plug comprises a first groove having a first surface-area-to-volume ratio and a second groove having a second surface-area-to-volume ratio, wherein the first surface-area-to-volume ratio is less than the second surface-area-to-volume ratio, wherein the first groove has a greater volume than the second groove;
an outer housing, wherein the outer housing seals a top of the first groove and a top of the second groove to prevent blood from flowing out the top of the first groove and the top of the second groove; and
an introducer needle, comprising a distal end and a proximal end, wherein the proximal end of the introducer needle is in fluid communication with the first groove and the second groove.