Ruschelit PVC. Murphy eye-oral. High volume/low pressure cuff. X-ray opaque line. Graduated. Oral Cuffed Single use. For improved surgical access. Designed to reduce kinking of the tube by incorporating a preformed curvature. Thin-walled, large volume low-pressure cuff. Thermosensitive Ruschelit PVC adapts to the anatomical situation at body temperature. AGT tubes with cuff have one eye (Murphy),