| 摘要 |
PROBLEM TO BE SOLVED: To provide a puncture needle for dialysis by which pain due to puncture can be suppressed so as to be a minimum when blood is drawn from a certain part of the body of a patient and the purified blood is returned to the body after dialysis. SOLUTION: The outer peripheral edge part of a blade formed by diagonally polishing the tip of a cylindrical body is worked so that the part of at least 40% from the tip may be rounded. |
