| 摘要 |
Disclosed is a valve (5, 25) for tubes or connection pieces (1, 1') of tubes (19, 22, 26) for pouches (18, 21, 24) for medical fluids; said valve (5, 25) has a closed valve position and an open valve position and comprises a movable closing part (6, 27) and an actuating member that controls the closing part (6, 27); said actuating member comprises a shape memory polymer (14, 14', 27) for controlling the closing part (6, 27) between the closed and open valve positions. Also disclosed is a connection piece (1, 1') comprising a valve (5, 25) of said type. |
