| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an endoscopic injection needle and an endoscopic treatment system permitting the puncturing operation of a needle and the medicament injection operation, etc. by operating one control part. <P>SOLUTION: The endoscopic injection needle comprises a barrel 26 with a bottom 25 with a through hole 2, a cylinder 27 with the hollow needle 6 connected to a bottom surface 27A, and a piston 28 which can slide inside the cylinder 27 with the operation resistance larger than the sliding resistance between the inner surface of the barrel 26 and the outer surface of the cylinder 27. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
