Blunt injection needle for a pen-type injector

Details Blunt injection needle for a pen-type injector Blunt injection needle for a pen-type injector

1998-09-10

2000-06-13

Coggins, Wynn Wood

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

A61M 500

Patent

active

060743719

ABSTRACT:
Disclosed is a needle assembly to be used with a pen-type injector and a percutaneously placed catheter device for intravenous infusion or a subcutaneously inserted cannula that is part of an injection set. Unlike all prior art needle assemblies which have a sharp point at the needle's distal end, the needle assembly described herein has a blunt tip so as to avoid any inadvertent needle sticks. This invention envisions using such a blunt tipped needle assembly connected to a pen-type injector and used with an injection set that has a cannula placed in the subcutaneous tissue. This invention also envisions using such a blunt tipped needle assembly with a pen-type injector for intravenous injections of medication through any intravenous catheter that has a septum through which the blunt needle of the pen-type injector can be placed.

REFERENCES:
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patent: 4869717 (1989-09-01), Adair
patent: 4973318 (1990-11-01), Holm et al.
patent: 5342316 (1994-08-01), Wallace
patent: 5462535 (1995-10-01), Bonnichsen et al.
patent: 5531810 (1996-07-01), Fullemann
patent: 5536249 (1996-07-01), Castellano et al.
patent: 5599323 (1997-02-01), Bonnichsen et al.
patent: 5759178 (1998-06-01), Wells
The power of the Homolin Pen from the Eli Lilly, Co., Winter/Spring 1999.

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