Dose setting mechanism for priming a drug delivery device
First Claim
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1. A method of priming a drug delivery device, the method comprising the steps of:
- engaging a dose dial sleeve with an inner housing of the drug delivery device, wherein the dose dial sleeve surrounds the inner housing; and
priming the drug delivery device by rotating the dose dial sleeve on a substantially circumferential rotational path around the inner housing,wherein, when a needle is coupled to the drug delivery device, the priming, which occurs during the rotation of the dose dial sleeve, causes a small amount of a drug to be expelled from the drug delivery device.
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Abstract
A method and system for priming a drug delivery device. The drug delivery device includes a dose dial sleeve and an internal housing portion. The dose dial sleeve is coupled to the internal housing. The dose dial sleeve rotates on a substantially circumferential rotational path during priming of the drug delivery device. Further, the dose dial sleeve rotates on a helical path during dose setting of the drug delivery device.
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20 Claims
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1. A method of priming a drug delivery device, the method comprising the steps of:
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engaging a dose dial sleeve with an inner housing of the drug delivery device, wherein the dose dial sleeve surrounds the inner housing; and priming the drug delivery device by rotating the dose dial sleeve on a substantially circumferential rotational path around the inner housing, wherein, when a needle is coupled to the drug delivery device, the priming, which occurs during the rotation of the dose dial sleeve, causes a small amount of a drug to be expelled from the drug delivery device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification