Sliding clamp connection type safe remaining needle

CN222488401UActive Publication Date: 2025-02-18BESTWAY (CHANGTING) MEDICAL APP CO LTD
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Patent Information

Application Number
CN202420839542.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-02-18
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The existing safety indwelling needles are inconvenient to disengage the connecting head from the catheter seat after the puncture is completed, especially if the catheter needs to be stably indwelled in the blood vessel.

Method used

It adopts a sliding card connection design, and through the cooperation of the sliding card strip and the spring card, the connection head and the conduit seat can be stable and conveniently disassembled. The slide bar is connected to the catheter seat through a snap-on protrusion. The spring clamps and releases the slide bar before and after the needle tube puncture, ensuring the stability of the connection and the convenience of disassembly.

Benefits of technology

It realizes a stable connection between the connector head and the catheter seat, provides a stable foundation for puncture operation, and easily separates the connector head and the catheter seat after the needle is removed, making the operation simple and convenient.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222488401U_ABST
Patent Text Reader

Abstract

The utility model relates to a safety type remaining needle, in particular to a sliding clamping connection type safety type remaining needle which is structurally characterized in that an extension arm is arranged on one side face of a front barrel body of a connector in a needle tube puncture assembly in the direction towards a catheter base, and a rectangular long sliding groove hole is formed in the extension arm in the axial direction; wherein a sliding clamping strip which is connected with the conduit seat and the connector at the same time is arranged in the third part, and the sliding clamping strip is clamped and contacted with a convex block which is arranged on a spring clamp which is arranged in the rear barrel body of the connector, so that on one hand, the third part, namely the sliding clamping strip, is used for connecting the conduit seat and the connector; on the other hand, a convex baffle capable of clamping the rear end of the sliding clamping strip is arranged on the spring clamp according to different states of the spring clamp before and after needle tube puncture, so that stable connection of the connector and the catheter seat is ensured, a stable foundation is provided for puncture operation, and the sliding clamping strip can directly withdraw along with the connector along with withdrawal of the convex baffle after needle withdrawal; the operation is simple and convenient.
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