| 摘要 |
A co-axial dual lumen catheter is provided having a junction where the intak e and outlet tubes are connected to the main section such that flow between these tubes and the lumens in the main stream is essentially linear. This tends to avoid turbulence in the blood flow. Preferably the tubes diverge at an angle of less than about 30 degrees. Also, a method of making the catheter with the junction is provided.
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