| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a needle device capable of a biopsy as well as liquid administration with a single insertion into a target site during stereotactic brain surgery. <P>SOLUTION: The needle device is configured such that a delivery hole 301 formed in a third needle part 30 is disposed to face a window part 101 formed in a first needle part 10 when an inner needle NC for delivery is inserted in an outer needle NA, and a positioning groove 152 and a positioning protrusion 39 are provided as rotation regulating means for regulating the rotation of the inner needle NC for delivery with respect to the outer needle NA. <P>COPYRIGHT: (C)2012,JPO&INPIT |
