Blom Singer® Low Pressure Non Indwelling

Clinical application

The Blom Singer® Low Pressure prosthesis was developed from the Blom-Singer ® Duckbill prosthesis, as the latter's duckbill valve sat far into the esophageal lumen and occasionally became blocked by esophageal mucus membrane. This resulted in attempts to create a prosthesis with a flat profile from the side. A flap valve was used, which also provided a far lower airflow resistance when talking and resulted in the name "low-pressure" prosthesis.