春立医疗申请微量药液注射结构专利，每次通过硬限位控制进药量

金融界03-16

金融界2024年3月16日消息，据国家知识产权局公告，北京市春立正达医疗器械股份有限公司申请一项名为“一种微量药液注射结构“，公开号CN117695476A，申请日期为2023年12月。专利摘要显示，本发明公开了一种微量药液注射结构，属于医疗器械技术领域。其包括内部设有移动腔的注射外壳；移动腔内设置有柱塞和柱塞杆，且柱塞连接在柱塞杆的首端，柱塞杆的末端为球窝状；柱塞杆的首端设有凹槽，凹槽的开口位置...

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