US 12,290,644 B2
Catheter placement system with stiffening system
Taylor C. Tobin, Nashua, NH (US); Jacquelyn N. Phelps, Cambridge, MA (US); Glade H. Howell, Draper, UT (US); and Kyle G. Thornley, Farmington, UT (US)
Assigned to Bard Access Systems, Inc., Salt Lake City, UT (US)
Filed by Bard Access Systems, Inc., Salt Lake City, UT (US)
Filed on Oct. 28, 2021, as Appl. No. 17/513,789.
Claims priority of provisional application 63/106,792, filed on Oct. 28, 2020.
Prior Publication US 2022/0126064 A1, Apr. 28, 2022
Int. Cl. A61M 25/09 (2006.01); A61M 25/01 (2006.01); A61M 25/06 (2006.01)
CPC A61M 25/0102 (2013.01) [A61M 25/0631 (2013.01); A61M 25/09 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A catheter placement system, comprising:
a housing defining an interior cavity and configured to maintain a sterile environment therein;
a catheter comprising:
a catheter tube having a first section, a second section, and a transition section disposed therebetween, one or both of the transition section and the second section disposed within the sterile environment defined by the housing;
a hub supporting a proximal end of the second section;
a first extension leg extending proximally from the hub and communicating with a first lumen of the catheter tube; and
a second extension leg extending proximally from the hub and communicating with a second lumen of the catheter tube;
a needle extending through a distal portion of the first lumen; and
a stiffening system comprising:
a first stylet comprising a first stylet lumen positioned in a proxmial portion of the first lumen; and
a second stylet comprising a second stylet lumen and a stylet guidewire, a proximal end of the stylet guidewire coupled to a distal end of the second stylet, the second stylet positioned in a proximal portion of the second lumen, the stylet guidewire extending through the hub into the second section.