PROBLEM TO BE SOLVED: To provide a fluid connection system suitable for an apparatus, a probe, or the like suitable for usage of an endoscope.SOLUTION: The fluid connecting system comprises a connecting piece (16) composed of a single injection-molded part made of plastic material. The injection-molded part has a coaxial first fluid conveying section (15) and a coaxial second fluid conveying section (17) attached thereto and is provided with several adhesive reservoirs that allow a pressure-resistant gluing of the two fluid conveying sections (15, 17) to each other by a reliable safe process.SELECTED DRAWING: Figure 3【課題】内視鏡利用に適した機器やプローブなどに適切な流体接続システムを提供する。【解決手段】流体接続システムは、プラスチック製の単体射出成形部品からなる接続部品(16)を備え、当該射出成形部品には、同軸の第1流体搬送部(15)と同軸の第2流体搬送部(17)とが取り付けられ、これら2本の流体搬送部(15、17)を信頼できる安全な処理で互いに圧力抵抗接着させることができる接着剤溜がいくつか設けられている。【選択図】図3