Infusion device with releasable fluid connector

Patent metadata

Field	Value
Publication number	US-10342967-B2
Application number	US-201715713354-A
Country	US
Kind code	B2
Filing date	Sep 22, 2017
Priority date	Dec 7, 2011
Publication date	Jul 9, 2019
Grant date	Jul 9, 2019

Abstract

An infusion set system includes a base and a fluid connector removably coupleable thereto. The fluid connector includes a fluid path portion and at least one connector latch displaceably connected to the fluid path portion and displaceable to a latching position in which at least a portion of the connector latch extends into the fluid path portion, which includes a cannula extending from a top interior surface thereof, and a plurality of internal sidewalls corresponding to at least two of a plurality of flat side surfaces of at least one of a base section and a base latch, thereby facilitating connection between the base and the fluid connector in a plurality of discrete rotational connecting positions. When the fluid connector is locked to the base, the at least one connector latch engages a base latching portion of the base and restricts proximal displacement of the fluid connector.

First claim

The invention claimed is:

1. A two-piece fluid connector for use with an infusion set, the fluid connector comprising:
a fluid path portion, comprising a cannula integral with and extending from a proximal interior surface of the fluid path portion, the cannula fluidly communicating with a port on the exterior of the fluid path portion; and
a latching portion secured to the fluid path portion and having a pair of displaceable arms and a rigid stop, each arm comprising:
a connector latch disposed at a first, cantilevered end of the arm; and
an activation lever disposed at an opposite cantilevered end of the arm;

wherein the rigid stop is disposed between the activation levers and is adapted to provide an inward travel limit of the activation levers; and
the connector latch is displaceable to a latching position in which at least a portion of the connector latch extends into an interior of the fluid path portion through an exterior side wall of the fluid path portion.

2. The connector according to claim 1 , wherein the at least one arm is pivotably connected to the latching portion via a living hinge.

3. The connector according to claim 1 , wherein the fluid path portion has a dome-shaped exterior surface to reduce its profile and aid in preventing unintentional disconnection of the fluid connector.

4. The connector according to claim 1 , wherein the fluid path portion and the latching portion are made of the same material.

5. The connector according to claim 1 , wherein the latching portion is secured to the fluid path portion via a snap-fit engagement.

6. The connector according to claim 1 , wherein the connector latch has a pair of angled side surfaces substantially parallel to a longitudinal axis of the cannula.

7. The connector according to claim 1 , wherein the connector latch has a beveled distal surface.

8. The connector according to claim 6 , wherein the connector latch has a beveled distal surface.

9. The connector according to claim 1 , wherein the connector latch is resiliently biased toward the latching position.

10. The connector according to claim 1 , wherein:
the cannula extends from the top interior surface of the fluid path portion in a first direction; and
the fluid connector has a single inlet port disposed at an angle to the first direction to reduce the profile of the fluid connector.

11. The connector according to claim 10 , wherein the single inlet port is substantially perpendicular to the first direction.

12. The connector according to claim 1 , wherein the fluid path portion includes a plurality of flat internal sidewalls.

Assignees

• Becton Dickinson Co

Inventors

• Sonderegger Ralph
• Marsh Ronald
• Hwang Charles
• Richards Stephen
• Politis Victor
• Horvath Joshua
• Glace Benjamin
• Sullivan James
• Lambert Ryan
• Venditto Gregory
• Bené Eric

Classifications

• A61M39/045

  pre-slit to be pierced by blunt instrument · CPC title

• A61M5/14248

  of the skin patch type · CPC title

• A61M2005/1587

  suitable for being connected to an infusion line after insertion into a patient · CPC title

• A61M2005/1581

  Right-angle needle-type devices · CPC title

• A61M2039/0072

  Means for increasing tightness of the septum, e.g. compression rings, special materials, special constructions · CPC title