| 摘要 |
A cannula assembly comprises a connection housing 2 having a through passageway 4 for the passage therethrough of a puncture needle 22 and a side limb 8 in communication with the passageway 4. The side limb 8 accommodates a pressure sensor 10. A flexible cannula tube 1 for insertion into a patient is connected to one end of the passageway 4. |
