Parenteral fluid administration set

• US 4,998,926 A
• Filed: 02/28/1990
• Issued: 03/12/1991
• Est. Priority Date: 12/13/1985
• Status: Expired due to Term

• Current Assignee: Becton, Dickinson & Co
• Original Assignee: Becton, Dickinson & Co
• Inventors: Alchas, Paul G.
• Primary Examiner(s): Pellegrino, Stephen C.
• Application Number:
  US07/474,180
• Time in Patent Office: 377 Days
• Field of Search: 604/250, 604/251, 604/283, 604/264, 604/270, 604/247, 604/251
• US Class Current: 604/251
• CPC Class Codes: A61M 5/14 Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor

Abstract

A parenteral fluid administration set includes a non-vented adapter having a frusto-conically shaped recess therein for removably engaging the tapered tip of a vented container. The adapter includes a bore therethrough communicating with the recess. A drip chamber having an upper portion with a conduit therethrough and a flexible transparent body portion extending downwardly from the upper portion and terminating in a lower end, is provided. The upper portion of the drip chamber is connected to the adapter so that the bore and the conduit are in fluid communication. A flexible tube includes a first end connected to the lower end of the body portion of the drip chamber and a second end. Fluid delivery means for facilitating the delivery of parenteral fluid from the tube to the patient is connected to the second end of the tube.

Claims

1. A non-vented parenteral fluid administration set and a vented container comprising:

a vented container including a housing having a chamber for retaining fluid and a frusto-conically shaped tip extending from the housing having a passageway therethrough communicating with said chamber;

a non-vented adapted having a frusto-conically shaped recess therein removably engaging the frusto-conically shaped tip of the vented container, said adapter having a bore therethrough communicating with said recess, said bore being positioned to allow fluid communication between said bore and the passageway in the vented container tip when the tip engages said recess;

a drip chamber having an upper portion with a conduit therethrough and a flexible transparent body portion extending downwardly from said upper portion and terminating in a lower end, said upper portion being connected to said adapter so that said bore and said conduit are in fluid communication;

a flexible tube having a first end connected to said lower end of said body portion and a second end; and

fluid delivery means for facilitating the delivery of parenteral fluid from said tube to the patient connected to said second end of said tube.

2. The parenteral fluid administration set of claim 1 wherein said tube has a substantially circularly-shaped cross section.

3. The parenteral fluid administration set of claim 1 wherein said non-vented adapter and said upper portion are integrally formed.

4. The parenteral fluid administration set of claim 1 wherein said fluid delivery means includes a male luer adapter having a tapered tip for removably engaging a hypodermic needle assembly and establishing fluid communication between the needle assembly and said tube.

5. The parenteral fluid administration set of claim 4 wherein said fluid delivery means includes a removable shield for protecting said tapered tip of said male luer adapter.

6. The parenteral fluid administration set of claim 4 further including a hypodermic needle assembly having hub means engaged with said male luer adapter, and a needle cannula projecting outwardly from said hub means.

7. The parenteral fluid administration set of claim 6 further including a needle shield removably engaging said hub means for protecting said needle cannula before use.

8. The parenteral fluid administration set of claim 1 wherein said fluid delivery means includes a needle cannula having a lumen therethrough in fluid communication with said tube.

9. The parenteral fluid administration set of claim 1 further including pinch-type closure means operatively associated with said tube for selectively opening and closing said tube to the passage of fluid.

10. The parenteral fluid administration set of claim 1 further including flow control means operatively associated with said tube for varying the flow of fluid through said tube.

11. The parenteral fluid administration set of claim 10 where said flow control means includes a conventional roller clamp.

12. The parenteral fluid administration set of claim 10 further including access means connected to said tube between said drip chamber and said flow control means for allowing introduction of additional parenteral fluid into said tube.

13. The parenteral fluid administration set of claim 12 wherein said access means includes a pierceable septum adapted to be pierced by a sharpened cannula to allow fluid to enter said tube through the sharpened cannula, said septum further adapted to seal itself upon the removal of the sharpened cannula therefrom.

14. The parenteral fluid administration set of claim 12 further including one-wa valve means operatively associated with said tube between said drip chamber and said access means for substantially preventing flow of parenteral fluid in a direction from said access means toward said drip chamber while allowing fluid flow from said drip chamber toward said access means.