US 11,786,703 B2
Closed IV access device with paddle grip needle hub and flash chamber
Jonathan Karl Burkholz, Salt Lake City, UT (US); Bart D. Peterson, Farmington, UT (US); Bin Wang, Sandy, UT (US); Ralph L. Sonderegger, Farmington, UT (US); and Tyler Warner, Bluffdale, UT (US)
Assigned to Becton, Dickinson and Company, Franklin Lakes, NJ (US)
Filed by Becton, Dickinson and Company, Franklin Lakes, NJ (US)
Filed on Mar. 27, 2020, as Appl. No. 16/833,058.
Application 16/833,058 is a continuation of application No. 15/286,188, filed on Oct. 5, 2016, granted, now 10,639,455.
Claims priority of provisional application 62/296,385, filed on Feb. 17, 2016.
Claims priority of provisional application 62/296,383, filed on Feb. 17, 2016.
Claims priority of provisional application 62/247,596, filed on Oct. 28, 2015.
Claims priority of provisional application 62/247,617, filed on Oct. 28, 2015.
Claims priority of provisional application 62/247,607, filed on Oct. 28, 2015.
Claims priority of provisional application 62/247,626, filed on Oct. 28, 2015.
Claims priority of provisional application 62/247,624, filed on Oct. 28, 2015.
Claims priority of provisional application 62/247,621, filed on Oct. 28, 2015.
Claims priority of provisional application 62/247,599, filed on Oct. 28, 2015.
Prior Publication US 2020/0222671 A1, Jul. 16, 2020
Int. Cl. A61M 25/06 (2006.01)
CPC A61M 25/0693 (2013.01) [A61M 25/0606 (2013.01); A61M 25/0637 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An IV access device comprising:
a catheter adapter;
a catheter extending distally from the catheter adapter;
a needle, comprising a lumen; and
a needle hub coupled to the catheter adapter, wherein a proximal end of the needle is secured within the needle hub and the needle extends through the catheter, wherein the needle hub comprises a flash chamber;
a path-defining structure inserted into the flash chamber of the needle hub; and
a visualization channel disposed between an inner surface of the needle hub and an outer surface of the path-defining structure, wherein the path-defining structure and visualization channel are configured such that blood flashback flows from the lumen of the needle proximally between a top portion of the outer surface of the path-defining structure and the needle hub in the visualization channel, wherein a bottom portion of the outer surface opposite the top portion contacts the needle hub such that the blood flashback does not flow between the bottom portion of the outer surface and the needle hub.