| 摘要 |
PROBLEM TO BE SOLVED: To provide a bloodstream controlling apparatus which can adjust the amt. of bloodstream by a simple operation. SOLUTION: A bloodstream controlling apparatus 1 is constituted of a pair of pinching members 2 and 2 for pinching an inner shunt 12 and a pair of expandable expanding/contracting bodies 3 and 3 which are arranged respectively on both end parts of the pinching members 2 and 2. The expanding/contracting body 3 is constituted of a main body 4, a cover body 5 arranged movably in the axial direction to the main body, a spring 6 energizing the main body 4 and the cover body 5 in their separating direction and a seal member 7 arranged between the main body 4 and the cover body 5. In addition, the expanding/ contracting body 3 has a lock mechanism 8 constituted of a nail 81 formed on the cover body 5 side and recessed parts 8a, 8b and 8c which are formed on the main body 4 side and the nail 81 can be selectively hooked on. |
