Flow control plug securement

Patent metadata

Field	Value
Publication number	US-2019247642-A1
Application number	US-201815896257-A
Country	US
Kind code	A1
Filing date	Feb 14, 2018
Priority date	Feb 14, 2018
Publication date	Aug 15, 2019
Grant date	—

Abstract

A catheter system may include a luer adapter, which may include an outer surface having threading or a recess. The catheter system may also include a flow control plug, which may include a proximal end and a distal end. The proximal end of the flow control plug may include a filter element permeable to air and not to blood. The distal end of the flow control plug may include a cylinder and a taper-shaped luer tip spaced apart from the cylinder. An inner surface of the cylinder may include a protrusion engaged in a snap-fit with the recess or corresponding threading mated with the threading.

First claim

1 . A catheter system, comprising:
a luer adapter, comprising an outer surface having a recess, wherein the luer adapter is coupled to a catheter adapter via extension tubing; a flow control plug, comprising:
a proximal end having a filter element permeable to air and not to blood; and
a distal end having a cylinder and a taper-shaped luer tip spaced apart from the cylinder, wherein an inner surface of the cylinder includes a protrusion engaged in a snap-fit with the recess.

2 . The catheter system of claim 1 , wherein the cylinder comprises a plurality of slots forming a plurality of arms disposed between the plurality of slots, wherein an inner surface of an arm of the plurality of arms includes the protrusion.

3 . The catheter system of claim 2 , wherein the plurality of slots extend through the cylinder.

4 . The catheter system of claim 2 , wherein the plurality of slots includes a first slot and a second slot, wherein the plurality of arms includes a first arm and a second arm, wherein the first slot and the second slot are each disposed between the first arm and the second arm, wherein an inner surface of the first arm includes the protrusion, wherein an inner surface of the second arm includes another protrusion, wherein the other protrusion is engaged in a snap-fit with the recess or with another recess of the outer surface of the luer adapter.

5 . The catheter system of claim 2 , wherein an outer surface of at least one of the plurality of arms includes a grip element.

6 . The catheter system of claim 7 , wherein the grip element includes a rib oriented longitudinally with respect to the flow control plug.

7 . The catheter system of claim 1 , wherein an outer surface of the proximal end includes a plurality of grip elements.

8 . The catheter system of claim 7 , wherein the plurality of grip elements includes ribs oriented longitudinally with respect to the flow control plug.

9 . The catheter system of claim 1 , wherein the distal end further comprises a stepped surface, wherein the distal end extends outwardly from the proximal end to form the stepped surface.

10 . The catheter system of claim 9 , wherein the cylinder comprises a plurality of arms and a plurality of slots disposed between the plurality of arms, wherein the plurality of slots extend through the stepped surface.

11 . The catheter system of claim 1 , wherein the luer adapter is a Y-adapter.

12 . A catheter system, comprising:
a luer adapter comprising an outer surface having threading, wherein the luer adapter is coupled to a catheter adapter via extension tubing; a flow control plug, comprising:
a proximal end having a filter element permeable to air and not to blood; and
a distal end having a cylinder and a taper-shaped luer tip spaced apart from the cylinder, wherein an inner surface of the cylinder includes corresponding threading, wherein the distal end further comprises a stepped surface, wherein the distal end extends outwardly from the proximal end to form the stepped surface.

13 . The catheter system of claim 12 , wherein an outer surface of the cylinder includes a grip element.

14 . The catheter system of claim 13 , wherein the grip element includes a rib oriented longitudinally with respect to the flow control plug.

15 . The catheter system of claim 12 , wherein an outer surface of the proximal end includes a plurality of grip elements.

16 . The catheter system of claim 15 , wherein the plurality of grip elements includes ribs oriented longitudinally with respect to the flow control plug.

17 . The catheter system of claim 12 , wherein an outer surface of the cylinder includes a plurality of ribs oriented longitudinally with respect to the flow control plug, wherein an outer surface of the proximal end includes a plurality of other ribs oriented longitudinally with respect to the flow control plug.

18 . The catheter system of claim 17 , wherein the cylinder includes a first number of the ribs and the outer surface of the proximal end includes a second number of the other ribs, wherein the second number is greater than the first number.

19 . The catheter system of claim 17 , wherein a width of each of the plurality of ribs is greater than a width of each of the plurality of other ribs.

20 . A method of securing a flow control plug to a catheter system for shipment:
providing a catheter system, wherein the catheter system comprises:
a catheter adapter and a luer adapter coupled to the catheter adapter via extension tubing, wherein the luer adapter includes an outer surface having threading or a recess;
coupling a flow control plug to the luer adapter of a catheter system before shipping the catheter system to a destination, wherein the flow control plug comprises:
a proximal end having a filter element permeable to air and not to blood; and
a distal end having a cylinder and a taper-shaped luer tip spaced apart from the cylinder, wherein an inner surface of the cylinder includes corresponding threading or a protrusion, wherein coupling the flow control plug to the luer adapter of the catheter system before shipping the catheter system to the destination comprises engaging the recess with the protrusion in a snap-fit or mating the threading to the corresponding threading.

Assignees

• Becton Dickinson Co

Inventors

• Karthikeyan Sakthivel
• Srinivasan Sudarsan

Classifications

• A61M2039/205

  comprising air venting means · CPC title

• A61M39/04

  having pierceable self-sealing members · CPC title

• A61M2039/1027

  Quick-acting type connectors · CPC title

• A61M39/1011 Primary

  Locking means for securing connection; Additional tamper safeties (A61M39/16 takes precedence) · CPC title

• A61M2039/1072

  with a septum present in the connector · CPC title