| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a puncture needle, a medicine administration device and a syringe pump, achieving easy multipoint administration of a prescribed amount of a medicine. <P>SOLUTION: This medicine administration device 1 includes: an outer needle 10 having a first lumen 12 thereinside and is formed with an opening 13 communicating with the first lumen 12 in the side face on the tip side; and an inner needle 11 having a second lumen 14 thereinside, and inserted through the first lumen 12 of the outer needle 10 such that at least a tip part can move forward and backward in the first lumen 12 of the outer needle 10. By the forward and backward movement, the inner needle 11 transits between a first state that the tip part is stored in the first lumen 12 of the outer needle 10 and a second state that at least a part of the tip part projects from the opening 13 of the outer needle 10. <P>COPYRIGHT: (C)2013,JPO&INPIT |
