The present invention is a catheter hub having an internal surface disposed at a proximal end of a catheter tube and defining a chamber, and a needle extending through the chamber and catheter tube and having a needle tip at the distal end, and needle A needle catheter comprising a needle protector disposed in the chamber when it is slidable above and is positioned in the preparation position, and the needle protector is configured to protect the needle tip when pulling the needle from the catheter hub The present invention relates to a pulse catheter apparatus.
