| 摘要 |
<p>This invention relates to a bellows-type pump for medical use, especially, for emergency treatment. The pump consists of a flexible member which is (8) of (U) shaped and has an upward opening and a bellows provided with an inlet and outlet tube. The ends with inlet and outlet of the bellows are arranged between two ends of the flexible member. The pump can produce differential pressure through pulling or pressing the bellows by the way of operating the flexible member with hand and foot. The pump has good property on charge and discharge, and compactible, low cost and disposable.</p> |
