防血液外溢的自动回缩式留置针

By designing limiting and retraction components, the problem of needle core and catheter rotation during indwelling needle puncture is solved, achieving a high success rate of puncture and stable connection, reducing needle bending and blood leakage, and improving the user experience.

CN116474209BActive Publication Date: 2026-07-17SUZHOU XINKANGDAO MEDICAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SUZHOU XINKANGDAO MEDICAL TECH CO LTD
Filing Date
2023-04-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

During the puncture process, the needle core and catheter of a traditional indwelling needle are prone to relative rotation, which reduces the success rate of puncture, increases patient pain, and poses a risk of needle bending and blood vessel perforation.

Method used

The circumferential movement of the mounting shell and mounting base is restricted by the limiting components. The cooperation of the limiting blocks and slots ensures that the needle and catheter are fixed. The retraction component enables the needle to retract automatically to prevent blood from spilling out, and the anti-backflow component isolates the blood flow.

Benefits of technology

It improves the success rate of indwelling needle insertion, reduces needle bending and blood vessel puncture, alleviates patient pain, prevents blood leakage, and provides a stable connection that is easy to disassemble.

✦ Generated by Eureka AI based on patent content.

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Abstract

本申请涉及医疗器械领域,主要涉及防血液外溢的自动回缩式留置针,为了解决针芯斜面偏转、降低留置针穿刺成功率的问题;本申请的方案包括导管组件和安装在导管组件上的针管组件;所述导管组件包括安装座和导管,所述导管贯穿安装在安装座上;所述针管组件包括安装壳、针管和针座,所述针管与针座相连,所述针座滑移安装在安装壳内,所述针管的一端穿出安装壳插设至导管内;所述安装壳与安装座相连,所述安装壳上设置有限位组件,所述限位组件限制安装壳在安装座上周向运动。本申请的方案提高了留置针穿刺的成功率。
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