Abstract
Hans Zenner, Wurzburg, West Germany, reported his experience with the Eska-Herrmann Wurzburg tracheoesophageal puncture prosthesis at the January 1988 meeting of the Eastern Section of the Triological Society held in New York. His technique for both primary and secondary voice restoration includes placing a siliconized stent into the puncture. The stent remains in place for two weeks. He has employed this technique for primary voice restoration in patients who have undergone myocutaneous flap reconstruction, gastric pull-up, and jejunal free-graft reconstruction. Because of problems with the original Blom-Singer duckbill prosthesis, Dr Zenner has designed the Wurzburg prosthesis in cooperation with Herrmann. This prosthesis has a convex stem that is placed into the hypopharynx to prevent aspiration and is self-retaining secondary to the use of two retention collars. To improve the percentage of voice production, a dorsal myotomy is routinely performed. A stoma valve has been designed for use with this prosthesis
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