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Source: A Manual Of Peroral Endoscopy And Laryngeal Surgery
It is sometimes desired to make traction on an
irregularly shaped foreign body, and yet to allow the object to turn
into the line of least resistance while traction is being made. This
can be accomplished by the use of the rotation forceps (Fig. 20),
which have for blades two pointed hooks that meet at their points and
do not overlap. Rotation forceps made on the model of the laryngeal
grasping forceps, but having opposing points at the end of the blades,
are sometimes very useful for the removal of irregular foreign bodies
in the larynx, or when used through the esophageal speculum they are
of great service in the extraction of such objects as bones,
pin-buttons, and tooth-plates, from the upper esophagus. These forceps
are termed laryngeal rotation forceps (Fig. 31). All the various forms
of forceps are made in a very delicate size often called the
mosquito or extra light forceps, 40 cm. in length, for use in the
4 mm. and the 5 mm. bronchoscopes. For the 5 mm. bronchoscopes heavier
forceps of the 40 cm. length are made. For the larger tubes the
forceps are made in 45 cm., 50 cm., and 60 cm. lengths. A
square-cannula forceps to prevent turning of the jaws was at one time
used by the author but it has since been found that round cannula
pattern serves all purposes.
[FIG. 20.--The author's rotation forceps. Useful to allow turning of an
irregular foreign body to a safer relation for withdrawal and for the
esophagoscopic removal of safety pins by the method of pushing them
into the stomach, turning and withdrawal, spring up.]
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