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US 2014/0228767 A1Published application
Injection apparatus
AssigneeOwen Mumford Limited
InventorsClive NICHOLLS, Robert Michael WOZENCROFT, Jeremy MARSHALL
Life of this patent
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Abstract
An injection apparatus includes a counter wheel that is incremented by the dose delivery mechanism each time the device is fired. The apparatus includes a final dose disabling mechanism that prevents further usage once the final dose has been delivered. An anti-tamper feature is provided to prevent inadvertent or premature initialisation of the apparatus.
Claims14
An injection apparatus, comprising:
- a drive arrangement actuatable to allow movement of a drive member to deliver a dose upon each such actuation;
- and
- a counter member drivingly connected to said drive member for being incremented by each dose delivery.
An injection device comprising
- a housing having two relatively movable parts required to be moved relative to one another in an initialization step, prior to actuation to deliver a dose;
- and
- an anti-tamper arrangement to prevent said relative movement prior to release of said anti-tamper arrangement.
Dependencies are inferred from the claim text.