美國
US 12,697,442 B2
Injection needle having varying caliber
US 12,697,442 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-04。申請人：Individual。PDF 可在本頁下載，未登入每天最多 5 篇。
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- 申請人
- Individual
- 發明人
- David Vincent Martini
- 公開日
- 2026-08-04
- 申請日
- 2023-05-01
- 文件種類
- B2 核准公告
- 也寫作
- US 12,697,442 B2 · US12697442 · 12697442
摘要
An injection needle includes a first needle portion defining a first outer diameter, a second needle portion defining a second outer diameter that is smaller than the first outer diameter, the second needle portion having a tip configured to penetrate a soft tissue. Importantly, the first end of the second needle portion is positioned substantially inside and coupled to an inner surface of the first needle portion adjacent an angled section that is positioned adjacent a distal end of the first needle portion.…
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專利局網站： 美國專利商標局（USPTO）