CN Patent

CN109330760B — 四球形宫内节育器

Assigned to Shandong Maternal And Child Health Hospital · Expires 2024-05-28 · 2y expired

What this patent protects

四球形宫内节育器包括放置器，放置器包括柱体，柱体前端设置半球形端面，柱体侧壁前端一侧开设容纳腔，柱体一侧安装弧形滑动盖板，弧形滑动盖板两侧设置凸块，弧形滑动盖板两侧的柱体上设置导向槽，凸块与导向槽配合使弧形滑动盖板能够沿柱体长度方向滑动，弧形滑动盖板能够将容纳腔遮蔽，容纳腔内设置有薄膜，薄膜的宽度与容纳腔的宽度相同，薄膜一端与容纳腔前端外侧边沿连接，薄膜另一端与弧形滑动盖板内壁连接，薄膜靠近弧形滑动盖板一侧的容纳腔内放置有节育器。本发明的优点在于：它避免节育器推出过程中与子宫壁发生硬性接触而损伤子宫壁等。

USPTO Abstract

四球形宫内节育器包括放置器，放置器包括柱体，柱体前端设置半球形端面，柱体侧壁前端一侧开设容纳腔，柱体一侧安装弧形滑动盖板，弧形滑动盖板两侧设置凸块，弧形滑动盖板两侧的柱体上设置导向槽，凸块与导向槽配合使弧形滑动盖板能够沿柱体长度方向滑动，弧形滑动盖板能够将容纳腔遮蔽，容纳腔内设置有薄膜，薄膜的宽度与容纳腔的宽度相同，薄膜一端与容纳腔前端外侧边沿连接，薄膜另一端与弧形滑动盖板内壁连接，薄膜靠近弧形滑动盖板一侧的容纳腔内放置有节育器。本发明的优点在于：它避免节育器推出过程中与子宫壁发生硬性接触而损伤子宫壁等。

Drugs covered by this patent

Patent Metadata

Patent number
CN109330760B
Jurisdiction
CN
Classification
—
Expires
2024-05-28
Drug substance claim
No
Drug product claim
No
Assignee
Shandong Maternal And Child Health Hospital
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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