Patent ID: 9707358
Date: 2017-07-18
CPC Classifications: A61M,F04C

Claim:
1. Dispense interface for use with a drug delivery device comprising an inner body, and a lockout element, wherein the lockout element is coupled to the inner body, wherein the lockout element is movable from a receptive condition to a locked condition, wherein in the receptive condition the dispense interface is attachable to the drug delivery device, wherein in the locked condition the dispense interface is not-attachable to the drug delivery device, wherein the lockout element is configured to move from the receptive condition to the locked condition when said dispense interface is attached to and detached from said drug delivery device, wherein the lockout element comprises at least a spring element, wherein the spring element is a combined spiral and coil spring, and wherein the spring element comprises a first shaped element at a first end and a second shaped element at a second end, wherein the inner body comprises a retaining element, in which the first shaped element of the spring element is seated with positive fit, wherein the inner body comprises a guiding track formed in the inner body and shaped to guide the second shaped element of the spring element through the guiding track both around a spiral axis of the spring element and along the spiral axis of the spring element, and wherein the second shaped element of the spring element is seated in the guiding track and is movably guidable through the guiding track such that, when the lockout element moves from the receptive condition to the locked condition, the second shaped element is moved relative to the first shaped element through the guiding track both around the spiral axis and along the spiral axis.