Patent ID: 9457150
Filing Date: 2016-10-04
CPC Classification: A61M,F16F,Y10T

Claim Text:
1. A biasing element configured for biasing a cartridge in a cartridge housing of a drug delivery device, said cartridge housing configured to be secured to a dose setting mechanism, wherein said cartridge comprises a bung at a first end of said cartridge and a pierceable seal at a second end of said cartridge; wherein the biasing element comprises a first connection side loop and a second connection side loop flexibly coupled to said first connection side loop, wherein said first and second connection side loops are disposed at opposite ends of said biasing element and are flexible in a direction radial to a longitudinal axis of said cartridge housing such that at least one portion of said biasing element is configured to be self retained by an internal surface of said drug delivery device, and wherein said biasing element resides in a compressed state when biasing said cartridge in said cartridge housing.