Catheter assembly plugging device, system and method

By designing a plug device with annular grooves and ventilation channels, the problem of blood leakage from intravenous catheters was solved, ensuring proper placement and safe use of the catheter, simplifying the operation process and reducing hydraulic pressure.

CN116568357BActive Publication Date: 2026-05-26BECTON DICKINSON & CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BECTON DICKINSON & CO
Filing Date
2021-10-27
Publication Date
2026-05-26

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Abstract

A plug (36, 76) can be used to block the flashback chamber (34) or the proximal end of the adapter in an intravenous catheter assembly (10). The plug can provide ventilation to the flashback chamber or the adapter. The plug may include a body (38) and a neck portion (44) extending from the body. The neck portion may include one or more ventilation channels (54, 78) that can be aligned with the longitudinal axis of the plug. The neck portion may include one or more transverse channels (80) that can provide ventilation and / or blood collection in the event of blood leakage into the plug.
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