Collection Device with Valve for Liquid Specimen Patent Granted
Summary
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.
“Collection devices with valves for liquid specimens are disclosed.”
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GovPing monitors USPTO Patent Grants - Medical Devices (A61M) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 39 changes logged to date.
What changed
The USPTO issued Patent US12605149B2 to Zhongshan Ophthalmic Center of Sun Yat-Sen University, covering a collection device with a valve for liquid specimens. The device includes a reservoir under negative pressure, a delivery tube with an inlet, outlet, and intervening valve, plus a piercing component. The patent protects the specific configuration of these components and their controlled communication.
Entities involved in medical device development or ophthalmic specimen collection should note this patent grants IP protection for valve-controlled liquid specimen collection systems to a Chinese university. Competitors developing similar devices may need to design around this patent or seek licensing arrangements.
Archived snapshot
Apr 23, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Collection device with a valve for a liquid specimen
Grant US12605149B2 Kind: B2 Apr 21, 2026
Assignee
Zhongshan Ophthalmic Center of Sun Yat-Sen University
Inventors
Yizhi Liu, Yan Luo, Xiaofeng Lin, Lin Lu
Abstract
Collection devices with valves for liquid specimens are disclosed. In an embodiment, the disclosure provides a collection device including a reservoir having a sealed cavity, the sealed cavity being under a negative pressure; a delivery tube in communication with the sealed cavity of the reservoir and having a delivery inlet, a delivery outlet, and a valve disposed between the delivery inlet and the delivery outlet, the valve being configured to control the communication and blocking between the delivery inlet and the delivery outlet, and an angle being formed by an extension line of the delivery inlet an extension line of the delivery outlet; and a piercing component for piercing a tissue is connected with the delivery inlet of the delivery tube.
CPC Classifications
A61B 10/0045 A61B 2010/009 A61B 10/0283 A61M 39/22 A61M 1/00 A61F 9/00736
Filing Date
2018-05-30
Application No.
16980417
Claims
19
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