| 摘要 |
A suction controlled extraction device ( 10 ) for removing foreign bodies from the auditory canal or endonasal cavity of human includes a suction tube ( 12 ) having forward and rearward ends, the suction tube including first and second tube sections ( 14, 16 ), the rearward end of the second tube being connectible to a source of suction and the forward end of the first tube forming a frusto-conical insertion tip ( 22 ) that envelops and draws the foreign body thereinto when the suction is applied, a valve ( 17 ) for controlling and varying the pressure and suction drawn in the suction tube, and a magnifying lens ( 50 ) affixed to the suction tube to enable the user to see within the cavity and ensure that the insertion tip envelops the foreign object. The first tube is curvilinear, the opposite ends thereof angularly offset, and the frusto-conical insertion tip may be removable or integral with the first tube.
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