The illustration shows a modification in the frontal sinus rasp which has been produced at my request.
Modification of frontal sinus rasp. L and R indicate left and right, the smooth face of the cross-section depicted being toward the respective orbit.
Its aim is to present a smooth edge rather than a serrated or cutting one against the thin wall of the orbit. In my teaching of cadaveric nasal surgery I have found that injury to the lacrimal bone occurs frequently.
SCHATZ HA. FRONTAL SINUS RASP. Arch Otolaryngol. 1929;9(1):60. doi:10.1001/archotol.1929.00620030068007
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