A hemodialysis catheter comprising a distal end of the waveform includes an elongated body having a first and a second distal end region, and the first and second distal end regions end up in a lumen extending continuously along both elongate and distal end regions . Each tip includes a tip edge extending from the distal tubular wall and surrounding the tip opening. Each distal tubular wall has a wave form comprising at least two grooves, including an outer groove and an inner groove that form a tip edge.The grooves may have the same or different length, width, or / or spatial configuration. The distal end region may be configured to have a non stress form when it is resilient and bifurcated through the branch angle from the longitudinal axis of the elongate body, and may be symmetrical to the axis.In some embodiments, the tip inner wall surface and the hollow outer surface form a form of waveform having alternating grooves and ridges along the distal end of the distal end, so that the catheter is active lateral or front flow through the catheter Body passage can be prompted.Diagram
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