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Pen needle assembly

  • US 10,350,371 B2
  • Filed: 12/20/2013
  • Issued: 07/16/2019
  • Est. Priority Date: 12/26/2012
  • Status: Active Grant
First Claim
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1. A pen needle providing at least one of an audible and tactile injection depth indication, comprising:

  • a. a hub adapted for attachment to a medication pen body and having a central post extending distally from a main body portion of the hub, the main body portion of the hub being wider than the post, and having a needle fixed in an axial position on the post;

    b. the post having a radially outwardly projecting member and a recess adjoining the main body portion of the hub; and

    c. a cup radially situated around the post having a skin contact surface on a distal end thereof and a sidewall extending proximally from the skin contact surface, said sidewall having an inwardly projecting member engaging the outwardly projecting member on the post;

    d. the cup being movable from a first position, in which the inwardly projecting member is on a distal side of the outwardly projecting member on the post, to a second position, in which the inwardly projecting member on the cup engages the recess adjoining the main body portion of the hub;

    e. wherein the engagement of the inwardly projecting member on the cup and the recess adjoining the main body portion of the hub in the second position creates the at least one of the audible and tactile indication to indicate full penetration depth of the needle.

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