The Macintosh Laryngoscope Blade | 合法醫療器材資訊網

由JPEstebe著作·2005—Avoidanceofdamagetotheteethorsofttissuewasnothisprimarypurpose.Havingobservedapediatricanesthetistuseastraightbladeinmuchthesame ...

Burkle et al.  1perpetuate the belief held by younger practitioners of the specialty that Robert Macintosh added the curve to his laryngoscope blade to “lessen the chance of damage to the patients upper teeth.” Although Sir Robert indicated that exposing the larynx with a long straight blade “occasionally jeopardizes the patients upper teeth or takes a minor divot out of the posterior pharyngeal wall,”2his primary purpose was to facilitate exposure of the vocal cords. Avoidance of damage to the teeth or soft tissue was not his primary purpose. Having observed a pediatric anesthetist use a straight blade in much the same manner as we now use the Macintosh blade, he modified the blade to allow the tip to “fit into the angle made by the epiglottis and the base of the tongue.” Elevation of the laryngoscope pushes the base of the tongue upward whereas the epiglottis, because of its attachment to the tongue, is drawn ...