| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact detention needle, which is a seal cap attachment type for mainly using for blood dialysis, considering a counterplan for miss insertion. SOLUTION: This needle is comprised of an external needle assembling body 1 including a cramp tube 13, an internal needle 2 providing a retention means (side hole 211) at a tip section, and a seal cap 3 providing a seal member and an engaging member inside. When the seal cap 3 is relatively moved to a direction or the tip section of the internal needle 2, the side hole 211 and the engaging member are engaged. |
