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.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.COPYRIGHT: (C)2012,JPO&INPIT【課題】操作性が容易で、外部突起物が少なく防錆効果の高い医療用ボールバルブを提供する。【解決手段】ハウジング材質を弾性を有するシリコーンゴムなどの材質で瓢箪形状に形成した弾性殻1を有し、内部には、外形に沿う瓢箪形状の3個の内室(閉鎖室3、開放室2、吸引室4)を有し、閉鎖室3と開放室2との室内に弾性殻1を手動で変形させることで移動可能な球形のガラス球形弁8を配置し、球形弁8の移動により流入口6と排出口7との連通を遮断・開放する防錆性を考慮した弾性殻バルブ。【選択図】図2
