This design is a kind of endoscope conduit structure.The catheter comprises an inner layer and an outer layer made of medical grade plastic waterproof insulating material.A supporting middle layer is arranged between the inner and outer layers.The middle layer is additionally provided with an axial number of wires and fiber bundles.The fiber bundle is used to transmit light to the end of the conduit.The wire can be connected to the lens module at the end of the conduit.The inner part of the conduit is formed into an independent central hole.It can be used as working pipeline.In terms of equipment,Sampling,Applications such as water holes,The utility model can avoid the trouble of winding with the line and the inconvenience of the line setting.The insulation characteristics are used to avoid the problem of electrical leakage.Those who improve practical efficacy.本創作為一種內視鏡導管構造，該導管包括有由醫療級塑性防水絕緣材質所製成的內層和外層，於內外層之間為支撐用中間層，而於中間層另設以軸向的數電線和光纖束，藉由光纖束以傳送光線至導管尾端，而電線則可供與導管尾端的鏡頭模組連接，使導管內部形成為獨立的中心孔，可做為工作管道，便於器械、取樣、水孔等應用，而能避免與線路纒繞的麻煩和線路設置之不便性，並藉其絕緣特性避免電氣外漏之問題，增進實用功效者。
