Self-withdrawing puncture-proof remaining needle structure
The invention relates to the technical field of remaining needles. The invention aims to provide a puncture-proof indwelling needle structure with a self-withdrawing needle. The puncture-proof indwelling needle structure comprises a catheter seat, the catheter seat sequentially comprises a transpare...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The invention relates to the technical field of remaining needles. The invention aims to provide a puncture-proof indwelling needle structure with a self-withdrawing needle. The puncture-proof indwelling needle structure comprises a catheter seat, the catheter seat sequentially comprises a transparent three-way section and a connecting section from front to back; a soft catheter is arranged at the front end of the transparent three-way section, and an isolation plug is arranged in the rear end of the transparent three-way section; the needle withdrawing cylinder is inserted into the rear end of the catheter base connecting section and extends in the front-back direction, a sliding needle base capable of sliding in the length direction of the needle withdrawing cylinder is arranged in the front end of the needle withdrawing cylinder, and a steel needle is arranged at the front end of the sliding needle base; the steel needle penetrates through the isolation plug and extends out of the soft catheter; a negative |
---|