A kind of stand structure improvement of introscope, the transfer connects solid pipe by a upper cover, a lower cover, one, a rotation connects firmware, a cover piece, a rotary shaft and constituted, a positioning cover piece is wherein equipped between what lower cover, and a groove and plural location hole are formed between what positioning cover piece, and rotary shaft what side setting positioning region and brake component, by the location mechanism between rotary shaft and positioning cover piece, when making transfer what spinner handle turn, the angle of spinner handle can be effectively fixed, and reach prolonged fixed point and visit.一種內視鏡之機座結構改良，該轉向裝置係由一上蓋、一下蓋、一接固管、一旋轉接固件、一蓋件、一旋轉軸所構成，其中於下蓋間設有一定位蓋件，且於定位蓋件間形成一溝槽及複數定位孔，而旋轉軸於一側設置定位部及制動件，藉由旋轉軸與定位蓋件間的定位機制，使轉向裝置於旋桿旋動時，可有效的固定旋桿之角度，而達到長時間的定點探視。
