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United States

US 12,702,759 B2

Disposable injection needle

US 12,702,759 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-11. Applicant: Tianjin Huahong Technology Co., Ltd. Its PDF downloads from this page without an account, up to 5 a day.

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Applicant
Tianjin Huahong Technology Co., Ltd.
Inventors
Libo ZHANG
Publication date
2026-08-11
Filing date
2023-04-17
Document type
B2 Granted patent
Also written as
US 12,702,759 B2 · US12702759 · 12702759

Abstract

A disposable injection needle is provided. The disposable injection needle includes a needle holder, a housing, a sleeve, a core, and a spring. A first end of the housing is connected to a second end of the needle holder, a second end of the housing has a housing opening. A first end of the sleeve is located in the housing, a second end of the sleeve has a sleeve opening and protrudes from the housing opening.…

The opening of the abstract. The full text is in the PDF.

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Patent office website: United States Patent and Trademark Office (USPTO)

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