Medical catheter and medical device

The invention provides a medical catheter and a medical device.The medical device comprises the medical catheter, and the medical catheter comprises a catheter body assembly provided with a needle channel; the needle assembly is at least partially arranged in the needle channel and comprises a metal needle, and an external thread is arranged on the outer surface of the metal needle; the handle assembly comprises a holding part and a pushing part; the pushing part is connected with the holding part and further connected with the near end of the needle assembly, and the pushing part is configured to move relative to the holding part under the action of external force so as to drive the needle assembly to rotate and enable the needle assembly to move in the axial direction of the needle channel. When the medical device is applied, the metal needle can pierce a target position at any angle, myocardial perforation is avoided, and the possibility that the metal needle shifts in the operation process is reduced. 本发明