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Collection Device with Valve for Liquid Specimen Patent Granted

The USPTO granted Patent US12605149B2 to Zhongshan Ophthalmic Center of Sun Yat-Sen University on April 21, 2026, covering a collection device with a valve for liquid specimens. The device comprises a reservoir with a sealed cavity under negative pressure, a delivery tube with a valve between inlet and outlet, and a piercing component for tissue access. The patent contains 19 claims and was filed on May 30, 2018 under Application No. 16980417.