lancing device 1 includes a puncture device 10 for puncturing a biological tissue, urethra insertion member 4 longitudinally extending being inserted into the urethra, the vaginal insertion member 5 of the longitudinal shapes to be inserted into the vagina, these urethra insertion member 4, and a support member 2 for supporting the piercing member 3 vaginal insertion member 5 and the puncture device 10. Puncturing device 10 includes a piercing member 3 having a connecting portion 32 for connecting the puncture needle 31, the shaft portion 33 and puncture needle 31 and the shaft portion 33 to pierce the living body tissue, positioned on the distal end side of the puncture needle 31, the biological tissue and an indwelling assembly 8 having a probe tip portion 82 and the living tissue support for indwelling 81 to puncture. The puncture needle 31 is of a tubular, has a hollow portion 312, the living tissue supporting indwelling 81 is accommodated in the hollow portion 312.穿刺装置1は、生体組織を穿刺する穿刺器具10と、尿道内に挿入される長手形状の尿道挿入部材4と、膣内に挿入される長手形状の膣挿入部材5と、これら尿道挿入部材4、膣挿入部材5および穿刺器具10の穿刺部材3を支持する支持部材2とを備えている。穿刺器具10は、生体組織を穿刺する穿刺針31、軸部33および穿刺針31と軸部33を連結する連結部32を有する穿刺部材3と、穿刺針31の先端側に位置し、生体組織を穿刺する針先部82および生体組織支持用留置物81を有する留置物組立体8とを備えている。穿刺針31は、管状をなし、中空部312を有しており、生体組織支持用留置物81は、その中空部312に収納されている。
