| 摘要 |
<p>PURPOSE:To make the inside of a middle ear cavity easy to view by a method wherein a finger hook operating part is mounted at the position of a notch part of the body of an insertion apparatus of a slide bar and the slide bar is inserted and placed at a cylinder part of the body of the insertion apparatus to prevent deviation in the insertion of an eardrum tube. CONSTITUTION:The body 13 of an insertion apparatus for an eardrum tube has a grip part 14, a cylinder part 15 provided on the grip part 14 and a notch part 16 provided in the course of the cylinder part 15. The notch part 16 has a guide surface G formed on a slope. A slip part 18 is provided at the tip part of a slide bar 17 to be inserted and placed at the cylinder part 15 of the body 13 of the insertion apparatus and a knob part 19 at the rear end thereof while a finger hook operating part 20 is mounted. The finger hook operating part 20 is set in the notch part 16 of the body 13 of the insertion apparatus and the slide bar 17 is inserted and placed in the cylinder part 15 of the body 13 of the insertion apparatus holding the knob part 19. Then, the finger hook operating part 20 is mounted securely on the slide bar 17 so that the finger hook operating part 20 inserted into the slide bar 17 reaches a proper position in the notch part 16 of the body 13 of the insertion apparatus.</p> |
