Details for Patent: 9,084,853

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Summary for Patent: 9,084,853

Title:	Drive mechanism for a drug delivery device and drug delivery device
Abstract:	A lead screw, a lead screw nut and a drive member are aligned with an axis. A coupling between the lead screw and the lead screw nut allows a helical movement of the lead screw. The drive member is rotationally locked with the lead screw nut. The lead screw is coupled with the drive member to generate a helical movement of the lead screw when the drive member is moved in one axial direction. The coupling is overridden when the drive member is moved in the opposite axial direction. Spline features are arranged on the lead screw in a row parallel to the axis with alternatingly small and large gaps between succeeding spline features. A stop feature of the drive member has a dimension in the direction of the axis which is larger than the small gaps and at most as large as the large gaps.
Inventor(s):	Plumptre; David Aubrey (Worcestershire, GB)
Assignee:	Sanofi-Aventis Deutschland GmbH (Frankfurt am Main, DE)
Application Number:	13/825,813
Patent Claim Types: see list of patent claims	Use; Delivery; Device;

Drugs Protected by US Patent 9,084,853

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

Foreign Priority and PCT Information for Patent: 9,084,853

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
	10186735	Oct 6, 2010
	11153481	Feb 7, 2011

PCT Information
PCT Filed	October 05, 2011	PCT Application Number:	PCT/EP2011/067417
PCT Publication Date:	April 12, 2012	PCT Publication Number:	WO2012/045793

International Family Members for US Patent 9,084,853

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	083299	⤷ Try a Trial
Australia	2011311616	⤷ Try a Trial
Brazil	112013006520	⤷ Try a Trial
Canada	2813116	⤷ Try a Trial
China	103179999	⤷ Try a Trial
Denmark	2624893	⤷ Try a Trial
European Patent Office	2438950	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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