Back to results
US 12,251,539 B2Granted
Injection device with dose interruption fail safe
AssigneeMedmix Switzerland AG
InventorsJoachim Keitel, Herbert Bechtold
Life of this patent
Estimating the term…
Abstract
A dose setting mechanism is provided that includes a dose knob, a dose selector, a radial projecting rib and a snap element. The radial projecting rib is positioned circumferentially on an inside surface of the dose selector. The snap element includes a protrusion. The protruding rib has a reduced section that allows the protruding rib to move axially relative to the protrusion to initiate dose delivery.
Claims21
A dose setting mechanism comprising:
- a dose knob;
- a dose selector;
- a radial projecting rib positioned circumferentially on an inside surface of the dose selector;
- and
- a snap element comprising a protrusion,
- the radial projecting rib extending along a circumference of the inside surface of the dose selector such that a longitudinal axis of the radial projecting rib deviates from a longitudinal axis of the dose selector, and
- the radial projecting rib having a reduced section or a cut-out that allows the radial rib to move axially relative to the protrusion to initiate dose delivery.
4 more elements
A dose setting mechanism comprising:
- a dose knob;
- a dose selector;
- a radial projecting rib positioned circumferentially on an inside surface of the dose selector;
- and
- a snap element having a protrusion;
- wherein a release of the knob during an injection introduces friction between the protrusion and the rib.
3 more elements
A dose setting mechanism comprising:
- a dose knob;
- a dose selector;
- a radially projecting rib positioned circumferentially on an inside surface of the dose selector;
- and
- a snap element comprising a protrusion,
- the radially projecting rib extending along a circumference of the inside surface of the dose selector such that a longitudinal axis of the radially projecting rib deviates from a longitudinal axis of the dose selector, and
- engagement of the protrusion with the radially projecting rib preventing distal axial movement of at least one of the dose selector and the dose knob.
4 more elements
Dependencies are inferred from the claim text.