This is a modification of the Beck-Schenck tonsil snare. The automatic action of the clutch and the proper registration of the teeth of the clutch with the spiral groove of the screw rod are mechanical additions which we believe have improved a popular type of tonsillectome. The clutch of this instrument is a new mechanical device which locks automatically, and which maintains a positive engagement with the screw rod, thus insuring the ready movement of
the carriage forward and backward. This automatic device obviates the necessity of the operator or assistant having to manipulate the trigger to lock or unlock the clutch. After the tonsil is engaged through the fenestrum, a rearward pull of the upper and lower triggers drops the clutch and maintains it out of clutching position to permit the free movement of the carriage. The instant the operator releases the pressure on the triggers, a
LAYMAN DW. THE LAYMAN-STORZ TONSILLECTOME. Arch Otolaryngol. 1925;1(4):422. doi:10.1001/archotol.1925.00560010442009
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