| 摘要 |
An integrated device (20) for performing a percutaneous transtracheal airway procedure on a living being comprising a small diameter tubular penetrator (24) having a tapered free end (42), an enlarged diameter air passageway (26), a tissue spreader (40A, 40B) and a device positioner (22). The tapered free end (42) penetrates the being's tissue to produce a small puncture which the tissue spreader (40A, 40B) enlarges so that the air passageway (26) may fit therethrough. The air passageway (26) has one end (52) open to the ambient atmosphere and a second end (54) adapted for fluid communication with the interior of the trachea. The positioner (22) comprises a helical screw thread (40A, 40B) for engaging the tissue, whereupon when the device is twisted the thread precisely draws the tissue spreader and the second end of the air passageway into the tissue puncture, whereupon the second end of the air passageway is brought in fluid communication with the interior of the trachea. |
