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Last Updated: September 27, 2020

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Patent: 7,981,088

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Summary for Patent: 7,981,088
Title:Passive delivery system diluents mixing and delivery
Abstract: A syringe system for the administration of lyophilized drugs includes a syringe barrel and a stopper and a needled guard each coupled with the syringe barrel. A reconstitution plunger is removably coupled with the stopper. A diluent is withdrawn from the syringe into a vial containing a lyophilized drug, and the diluent and drug are mixed to form a therapeutic agent. The reconstitution plunger is then replaced by an administration plunger. The length of the reconstitution plunger is greater than the length of the administration plunger in order to prevent activation of the needle guard during reconstitution. Alternatively, a single plunger system may be used in which the plunger can transition from an extended length during reconstitution to a shortened length during administration. During administration, a radial element of the plunger contacts latch members of the needle guard, whereupon the shield advances to an extended position covering the needle.
Inventor(s): Westbye; Lars Tommy (Carlsbad, CA), Dowds; Philip (San Diego, CA)
Assignee: Safety Syringes, Inc. (Carlsbad, CA)
Application Number:11/828,958
Patent Claims:see list of patent claims

Details for Patent 7,981,088

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 001 2006-05-25   Start Trial Safety Syringes, Inc. (Carlsbad, CA) 2024-06-10 search
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 1 2006-05-25   Start Trial Safety Syringes, Inc. (Carlsbad, CA) 2024-06-10 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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