| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ball valve for medical treatment which has the easy operability, few external projections, and a high rustproof effect. <P>SOLUTION: This elastic shell valve has an elastic shell 1 formed in a gourd shape with materials such as silicone rubber, etc. having elasticity as housing materials, the elastic shell valve internally has gourd-shaped three internal chambers (a closed chamber 3, an open chamber 2, and a suction chamber 4) along an outline, spherical glass spherical valves 8 movable by deforming the elastic shell 1 manually are disposed inside the closed chamber 3 and the open chamber 2, and the elastic shell valve takes into consideration rustproof properties in which interconnection between an inflow port 6 and an exhaust port 7 is shut off and opened by movement of the spherical valves 8. <P>COPYRIGHT: (C)2012,JPO&INPIT |
