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US Patent 8187220 Seal structures for wet/dry automatic injectors

Patent 8187220 was granted and assigned to Meridian Medical Technologies Inc. on May, 2012 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Current Assignee
‌
Meridian Medical Technologies Inc.
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8187220
Patent Inventor Names
Steven M. Griffiths0
Robert L. Hill0
Date of Patent
May 29, 2012
Patent Application Number
12784595
Date Filed
May 21, 2010
Patent Citations Received
‌
US Patent 12064603 System and method for safety syringe
0
Patent Primary Examiner
‌
Nicholas Lucchesi
Patent abstract

An automatic medicament injector has a first compartment for a first medicament component and a second compartment for a second medicament component. The two compartments are separated by a seal structure that converts from a sealing condition to a mixing condition when the device is activated. The seal structure has a plug that opens a flow path through the seal structure to allow the second medicament component to mix with the first medicament component in the first compartment when the seal structure is in the mixing condition.

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