| 摘要 |
A cuffed tracheostomy tube has a sealing cuff 10, 10', 100, 100' attached to a shaft 1, 1, 1'' of the tube towards its patient end by a rear end collar 30, 55, 103 bonded with the outside of the shaft. In one embodiment the patient end collar 31, 31 ' is folded unattached around the patient end face 60, 60' of the shaft and is attached to the inside of the tube. When inflated, the cuff inflates slightly away from the patient end face to cushion the tip of the tube. In another embodiment the cuff 100 is formed integrally with the shaft 51. In a further embodiment the cuff 100' has an integral portion 102 of a soft material that forms a patient end extension of the shaft 1". |
