CN Patent

CN104689426B — 自动注射器

Assigned to Owen Mumford Ltd · Expires 2018-10-02 · 8y expired

What this patent protects

一种自动注射器，包括壳体(10)以容纳针管(14)，以及驱动机构，所述驱动机构包括第一和第二弹簧(30，32)，所述弹簧一前一后经由中间部件(34)作用在柱塞(42)上。柱塞被触发器保持在锁定位置。触发器的释放导致第一弹簧前推针管到停驻点，此后第二弹簧在针管内伸展以排出剂量。

USPTO Abstract

一种自动注射器，包括壳体(10)以容纳针管(14)，以及驱动机构，所述驱动机构包括第一和第二弹簧(30，32)，所述弹簧一前一后经由中间部件(34)作用在柱塞(42)上。柱塞被触发器保持在锁定位置。触发器的释放导致第一弹簧前推针管到停驻点，此后第二弹簧在针管内伸展以排出剂量。

Drugs covered by this patent

Patent Metadata

Patent number
CN104689426B
Jurisdiction
CN
Classification
—
Expires
2018-10-02
Drug substance claim
No
Drug product claim
No
Assignee
Owen Mumford Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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