Task: Translation
Input (Spanish): A drainage device (10) comprising an improved vacuum regulator assembly (22) is disclosed which includes an adjustable knob (54) for indicating the degree of vacuum being applied to the device (10) from a number of incident viewing angles.
Output (English): Se describe un dispositivo de drenaje (10) que comprende un montaje regulador de vacio (22) que incluye una perilla ajustable (54) para indicar el grado de vacio aplicado al dispositivo (10) desde diferentes angulos de vista incidentes.