PROBLEM TO BE SOLVED: To provide a sampling needle, in particular a needle suitable for transvaginal oocyte retrieval from a human or animal subject.SOLUTION: This human transvaginal oocyte retrieval needle (632) includes a first tubular region (634) in fluid communication with a second tubular region (636). The first tubular region (634) includes a leading end (638) for insertion into the human subject, the second tubular region (636) includes the rear end (640) in fluid communication with a means for storing a fluid, the means includes a vessel, the first tubular region (634) has an outer diameter smaller than the outer diameter of the second tubular region (636), and the first tubular region (634) has an inner diameter smaller than the inner diameter of the second tubular region (636).【課題】ヒト経膣卵母細胞回収針を提供する。【解決手段】第２の管状領域（６３６）と流体連通する第１の管状領域（６３４）を備え、該第１の管状領域（６３４）がヒト被験体への挿入用の前端（６３８）を備え、前記第２の管状領域（６３６）が流体を収容する手段と流体連通する後端（６４０）を備え、前記手段は容器を備え、前記第１の管状領域（６３４）が前記第２の管状領域（６３６）の外径よりも小さな外径を有し、前記第１の管状領域（６３４）が前記第２の管状領域（６３６）の内径よりも小さな内径を有する、ヒト経膣卵母細胞回収針（６３２）。【選択図】図６
