Catheter having interlocking ribbed bond regions

(57) In order to form a summary catheter shaft, it is the method of combining the 1st tubular component with the 2nd tubular component. The above-mentioned method is equipped with the process for which the 1st tubular component is prepared, and the 1st tubular component of the above is equipped with 管腔 prolonged between a tip, a rear anchor and the tip of the 1st tubular component of the above, and a rear anchor. The above-mentioned method has further a process for which the 2nd tubular component is prepared, and the 2nd tubular component of the above is equipped with 管腔 prolonged between a tip, a rear anchor and the tip of the 2nd tubular component of the above, and a rear anchor. The above-mentioned method has further the process of applying heat to the process and joining section which insert the joining section of the 1st tubular component of the above into the joining section of the 2nd tubular component of the above.