US 2022/0088320 A1 · PEN NEEDLE ASSEMBLY

Abstract

A needle hub assembly for a pen needle includes a needle hub, an inner shield and an outer cover. The open end of the outer cover is closed by a removable seal to access the needle hub. The needle hub has a body with a shoulder and a tower extending from the body for supporting a cannula. The inner shield fits over the tower and the cannula and includes a flange that has an outer dimension complementing the outer dimension of the needle hub and contacts the shoulder of the needle hub in the assembled condition. The outer cover encloses the needle hub and the inner shield and includes a stop member on an inner surface that contacts the flange of the inner shield to capture the inner shield between the shoulder of the needle hub and the outer cover.

Claims21

Dependent claims

A needle hub comprising:

a body having an open end for coupling with a medication delivery pen device, said body having a sidewall with an outer surface with an outer dimension, and an inner surface, said outer surface having a plurality of recesses extending from a top end of said side wall and extending toward said open end, a bottom end of said side wall having a thickness less than a thickness of said top end of said side wall;
a tower extending from said body and having a sidewall with an outer surface, an inner surface, and having an outer dimension less than said outer dimension of said body, and an end wall defining a skin contact surface;
and
a post extending from an inner surface of said end wall and extending toward said open end of said body, said post configured for supporting a cannula extending from said end wall of said tower.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

17/541,331Filed 3 Dec 2021

Priority

4 Dec 2014

Published

24 Mar 2022

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

A61M 5/3202
Needles; Details of needles pertaining to their connection with syringe or hub ; Accessories for bringing the needle into, or holding the needle…:…
A61M 5/002
Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning…:…
A61M 5/3293
Needles; Details of needles pertaining to their connection with syringe or hub ; Accessories for bringing the needle into, or holding the needle…:…
A61M 5/34
Needles; Details of needles pertaining to their connection with syringe or hub ; Accessories for bringing the needle into, or holding the needle…:…

Pen needle assembly

Life of this patent

Pen needle assembly

Life of this patent

Abstract

Claims21