Intervention catheter combination
An interventional catheter combination comprises a puncture needle, a guide sheath and a catheter; the puncture needle and the catheter can be arranged in the guide sheath; the puncture needle comprises a needle tube and a needle base, the guide sheath comprises a sheath tube and a sheath base; a cu...
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Zusammenfassung: | An interventional catheter combination comprises a puncture needle, a guide sheath and a catheter; the puncture needle and the catheter can be arranged in the guide sheath; the puncture needle comprises a needle tube and a needle base, the guide sheath comprises a sheath tube and a sheath base; a cutting line is arranged on the sheath tube, extends to the sheath base and penetrates through the whole guide sheath; the catheter comprises a hose and a catheter base; a cutter base is detachably fixed to the outer surface of the rear end of the catheter base, a cutter is fixed to the cutter base, and the blade of the cutter faces forwards. Compared with the prior art, the catheter enters a blood vessel in an external supporting mode, therefore, the longitudinal degree and the surface smoothnessdegree of the catheter are not required in the aspect of material selection of the catheter, polyurethane materials used by a central venous catheter and a PlCC catheter can be used in the aspect ofmaterial selection of the |
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