Safety drip chamber spike with breakable feature

Patent metadata

Field	Value
Publication number	US-11911592-B2
Application number	US-202017115354-A
Country	US
Kind code	B2
Filing date	Dec 8, 2020
Priority date	Dec 8, 2020
Publication date	Feb 27, 2024
Grant date	Feb 27, 2024

Abstract

An intravenous (IV) spike for administering a medicinal fluid from a container may include a head portion at a proximal end thereof, a base portion at a distal end thereof, and an elongate body portion connecting the head and the base portions. The elongate body portion may be configured to be coupled to the container. The IV spike may further include a radial notch extending at least partially along a circumference of an outer surface of the elongate body portion. The radial notch may be recessed radially inward from the outer surface.

First claim

What is claimed is:

1. An intravenous (IV) spike for administering a medicinal fluid from a container, the IV spike comprising:
a head portion at a proximal end thereof, a base portion at a distal end thereof, and an elongate body portion connecting the head and base portions, the base portion having an outer diameter that is greater than an outer diameter of the elongate body portion, wherein the elongate body portion is configured to be coupled to the container; and
a radial notch extending at least partially along a circumference of an outer surface of the IV spike, and from a proximal end of the base portion and a distal end of the elongate body portion such that the radial notch is positioned at a decrease in cross-sectional area at the transition from the base portion to the elongate body portions, the radial notch recessed radially inward from the outer surface.

2. The IV spike of claim 1 , wherein the head portion comprises a spike head disposed at the proximal end, the spike head having a puncture tip and a puncture base having a fluid inlet at an upper end thereof, wherein a fluid channel extends from the fluid inlet, through the elongate body portion, and into a drip chamber.

3. The IV spike of claim 1 , wherein the radial notch is disposed on the elongate body portion at a position closer to the base portion than to the head portion.

4. The IV spike of claim 1 , wherein the radial notch extends along an entire circumference of the outer surface of the elongate body portion.

5. The IV spike of claim 1 , wherein a diameter of the radial notch is less than the outer diameter of the elongate body portion.

6. The IV spike of claim 1 , wherein the IV spike comprises a thermoplastic polymer material.

7. The IV spike of claim 6 , wherein the thermoplastic polymer material comprises Acrylonitrile butadiene styrene (ABS).

8. The IV spike of claim 6 , wherein the IV spike further comprises a glass fiber reinforcement material to facilitate breakage of the elongate body portion in the container as the radial notch creates a stress concentration point when a force is exerted on the spike.

Assignees

• Carefusion 303 Inc

Inventors

• Tan Benjamin Yang Teck
• Ng Mum Pew

Classifications

• A61M5/162 Primary

  Needle sets, i.e. connections by puncture between reservoir and tube {; Connections between reservoir and tube (in jet-action syringes A61M5/30; connectors for tubes having sealed ends and a needle for piercing them A61M39/14)} · CPC title

• A61M5/1411

  Drip chambers (A61M5/162, A61M5/1689, A61M5/40 take precedence) · CPC title

• A61M2205/02

  characterised by a particular materials · CPC title

• A61M2207/10

  Device therefor · CPC title

• A61M2005/1623

  Details of air intake · CPC title