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Last Updated: June 8, 2023

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

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
10186735Oct 6, 2010
11153481Feb 7, 2011
PCT Information
PCT FiledOctober 05, 2011PCT Application Number:PCT/EP2011/067417
PCT Publication Date:April 12, 2012PCT Publication Number: WO2012/045793

International Family Members for US Patent 9,084,853

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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Serving leading biopharmaceutical companies globally:

Express Scripts

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