IP Library Granted Patent US 12,544,490
Granted Patent B2
US 12,544,490 · App. 17/146,410 · Granted Feb 10, 2026

Anti-thrombogenic catheter assembly and related methods

Inventors: Megan Scherich (Salt Lake City, UT); Yiping Ma (Layton, UT); He Bai (Sandy, UT); Jonathan Karl Burkholz (Salt Lake City, UT); Hua Zhang (South Jordan, UT); Weston F. Harding (Lehi, UT); Curtis H. Blanchard (Riverton, UT)
Assignee: Becton, Dickinson and Company
A61L29/16A61L29/085A61L31/10A61L31/16A61L33/0094A61L33/068A61M25/0045A61M25/0051A61M25/0606A61M39/10A61L2300/42A61M2039/1072A61M2039/1077
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Quick Facts
Patent No.
US 12,544,490
App. No.
17/146,410
Granted
Feb 10, 2026
Kind
B2
Abstract

A catheter assembly may include a catheter adapter, which may include a distal end, a proximal end, and a lumen extending through the distal end of the catheter adapter and the proximal end of the catheter adapter. The catheter assembly may include a catheter extending distally from the distal end of the catheter adapter. The catheter assembly may include an introducer needle extending through the catheter. An anti-thrombogenic material may be extruded through a die and/or molded to form one or more portions of the catheter assembly. Additionally or alternatively, inner surfaces and/or outer surfaces of one or more portions of the catheter assembly may be coated with an anti-thrombogenic coating that includes the anti-thrombogenic material.

Claims (27)

1 . A catheter assembly, comprising:

a catheter adapter, comprising a body, a distal end, a proximal end, and a lumen extending through the body from the distal end of the catheter adapter to the proximal end of the catheter adapter;

a catheter extending distally from the distal end of the catheter adapter, wherein the catheter comprises a body; and

an introducer needle extending through the catheter,

wherein the body of the catheter adapter consists of an anti-thrombogenic material, and

wherein the anti-thrombogenic material of the body of the catheter adapter forms the lumen.

2 . The catheter assembly of claim 1 , wherein the body of the catheter is made of the anti-thrombogenic material.

3 . The catheter assembly of claim 2 , wherein a distal end of the catheter comprises a plurality of fenestrations cut through a wall of the catheter.

4 . The catheter assembly of claim 1 , wherein the anti-thrombogenic material comprises two or more compounds comprising a silicone moiety or a PEG moiety.

5 . The catheter assembly of claim 1 , wherein an inner surface or an outer surface of the catheter is coated with an anti-thrombogenic coating.

6 . The catheter assembly of claim 1 , wherein an inner surface or an outer surface of the introducer needle is coated with an anti-thrombogenic coating.

7 . The catheter assembly of claim 1 , further comprising a wedge disposed within the lumen of the catheter adapter, wherein the catheter is secured within the catheter adapter by the wedge, wherein the wedge is coated with an anti-thrombogenic coating.

8 . The catheter assembly of claim 1 , further comprising a septum disposed within the lumen of the catheter adapter, wherein the septum is coated with an anti-thrombogenic coating.

9 . The catheter assembly of claim 1 , further comprising a septum, actuator, and spring disposed within the lumen of the catheter adapter, wherein the septum, the actuator, or the spring are coated with an anti-thrombogenic coating.

10 . The catheter assembly of claim 1 , further comprising a septum disposed within the lumen of the catheter adapter, wherein the septum is made of the anti-thrombogenic material or another anti-thrombogenic material.

11 . The catheter assembly of claim 1 , wherein the body of the catheter is made of the anti-thrombogenic material, wherein the body of the catheter adapter is made of another anti-thrombogenic material or the anti-thrombogenic material.

12 . A catheter assembly, comprising:

a catheter adapter, comprising a body, a distal end, a proximal end, a lumen extending through the body from the distal end of the catheter adapter to the proximal end of the catheter adapter, and a side port in between the distal end of the catheter adapter and the proximal end of the catheter adapter and in fluid communication with the lumen;

a catheter extending distally from the distal end of the catheter adapter, the catheter comprising a body;

an extension tube, comprising a distal end and a proximal end, wherein the distal end of the extension tube is coupled to the side port, wherein the proximal end of the extension tube is coupled to a luer adapter; and

an introducer needle extending through the catheter,

wherein the body of the catheter adapter consists of an anti-thrombogenic material, and

wherein the anti-thrombogenic material of the body of the catheter adapter forms the lumen.

13 . The catheter assembly of claim 12 , wherein the body of the catheter is made of the anti-thrombogenic material.

14 . The catheter assembly of claim 13 , wherein a distal end of the catheter comprises a plurality of fenestrations cut through a wall of the catheter.

15 . The catheter assembly of claim 12 , wherein the extension tube, or the luer adapter is made of the anti-thrombogenic material.

16 . The catheter assembly of claim 12 , wherein the anti-thrombogenic material comprises two or more compounds comprising a silicone moiety or a PEG moiety.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 11, 2021
From: SCHERICH, MEGAN; BAI, HE; ZHANG, HUA; HARDING, WESTON F.; BLANCHARD, CURTIS H.; MA, YIPING; BURKHOLZ, JONATHAN KARL
To: BECTON, DICKINSON AND COMPANY
Reel/Frame 054882/0016 →
Continuity (2)
Provisional Application 62965635 · Jan 24, 2020
Related Publication 20210228781A1 · Jul 29, 2021
References Cited (25)
US 4925445A · Sakamoto · 1990 [cited by examiner]
US 5013306A · Solomon et al. · 1991 [cited by applicant]
US 9750928B2 · Burkholz · 2017 [cited by examiner]
US 11504505B2 · Harding et al. · 2022 [cited by applicant]
US 20040210208A1 · Paul et al. · 2004 [cited by applicant]
US 20050142162A1 · Hunter · 2005 [cited by examiner]
US 20050256461A1 · DiFiore · 2005 [cited by examiner]
US 20060229573A1 · Lamborne · 2006 [cited by examiner]
US 20080172011A1 · Heroux · 2008 [cited by examiner]
US 20110009831A1 · Burkholz · 2011 [cited by examiner]
US 20130165868A1 · Isaacson · 2013 [cited by examiner]
US 20160038657A1 · Lareau · 2016 [cited by examiner]
US 20170056639A1 · Ma · 2017 [cited by examiner]
US 20170065750A1 · Ma · 2017 [cited by examiner]
US 20210001012A1 · Takemura · 2021 [cited by applicant]
US 20210198516A1 · Locklin · 2021 [cited by examiner]
CN 102553068A · 2012 [cited by applicant]
CN 104039384A · 2014 [cited by applicant]
CN 204972644U · 2016 [cited by applicant]
CN 215690849U · 2022 [cited by applicant]
EP 0404517 · 1990 [cited by applicant]
EP 0472413A2 · 1992 [cited by applicant]
JP H0824326A · 1996 [cited by applicant]
JP 2019162452A · 2019 [cited by applicant]
WO 2019187860A1 · 2019 [cited by applicant]