1. A pharyngeal ultrasound guide (PUG) device, the device comprising: a hollow shaft comprising two ends and an elongated body therebetween, the elongated body comprising and inner layer and an outer layer with an internal space enclosed therebetween; and a balloon arranged at a first of said two ends, said balloon being sized and shaped for placement in a pharyngeal region of a human and having an internal volume for enclosing an ultrasound transmission medium, said internal volume being in fluid communication with said internal space between said two layers of said elongated body; wherein said inner layer forms a generally cylindrical hollow opening closed at said first of said two ends and said outer layer is integrally formed with an outer layer of said balloon.