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La cánula o tubo de Guedel es un dispositivo de material plástico que, introducido en la boca de la víctima, evita
la caída de la lengua y la consiguiente obstrucción del paso del aire. Se emplean para anestesia en general para
mantener abiertas las vías orofaringeas. Su modelo es opaco rígido fabricado en
plástico HDPE.
