| 摘要 |
A surgical apparatus (10) for manipulating body tissue including a hollow needle (41), a bulb (24) connected to the needle for aspirating air through an end of the needle, a flexible guide wire (31) extending through the needle, a fitting (29) on one end of the guide wire for permitting the guide wire to be reciprocated with the same hand that holds the apparatus, from a retracted position substantially within the needle, to an extended position in which a substantial length of the guide wire extends beyond an end of the needle, an expandable dilator (30) attached to the dilation tip (68) for dilating a tracheal wall when the dilator is inflated, and a tracheostomy tube (28) detachably mounted with respect to the dilator for placement into a lumen of a trachea.
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