Patent ID: 9717863
Date: 2017-08-01
CPC Classifications: A61M

Claim:
1. An apparatus comprising: a dispense interface for use with a drug delivery device, the dispense interface comprising a lockout element, the lockout element comprising at least one tubular stub and at least one spring component removeably maintained in a respective first position such that when the dispense interface is first attached and then removed from said drug delivery device, where each tubular stub has a first diameter channel and a smaller second diameter channel and each spring component moves into a respective second position, which respective second position prevents said dispense interface from being reattached to a drug delivery device, wherein each spring component comprises a respective circlip spring, and wherein each circlip spring is maintained in the first diameter channel when in the first position, where each circlip moves to the second diameter channel through direct contact with the drug delivery device and moves to the second position when contact with the drug delivery device is removed.