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Blom-Singer® Voice Prosthesis

Blom-Singer Voice Prostheses - Access to Voice

Update on Voice Prosthesis Gel Caps 2022:

Clinician Feedback Heard: Larger gel capsules are now packaged with LEF and Advantage Hard Valve prostheses.

InHealth Technologies® is pleased to announce a change.

Blom-Singer® Large Esophageal Flange and Large Flange indwelling voice prostheses and Blom-Singer® Advantage® Hard Valve indwelling voice prosthesis will now be packaged with two gel caps one size up (22Fr), making it easier for clinicians to fold and place.

Previously, all voice prostheses were packaged with gel caps of matching diameter. From now on, all 16Fr large flange prostheses will be packaged with (2) 18Fr gel caps, and all 20Fr large flange prostheses will be packaged with (2) 22Fr gel caps.

Email our Clinical Team with any questions on gel cap loading:

In 1978, Drs. Singer and Blom pioneered the methods of tracheoesophageal puncture and valved silicone voice prostheses that over the past 40 years have become the international standard for voice restoration, allowing thousands of patients worldwide to regain their ability to speak. By creating a small surgical passage just inside the stoma, from the back wall of the trachea into the esophageal wall, a voice prosthesis can be placed into this passage to enable tracheoesophageal speech. Voice is produced by temporarily blocking the stoma so that exhaled air from the lungs can be directed from the trachea through the prosthesis into the esophagus and then out through the mouth.

Blom-Singer voice prostheses are available as patient-maintained (ex: Duckbill, Low Pressure) or clinician-maintained (ex: Indwelling). Standard products are designed to accommodate most anatomies; special order product size/styles are also available.

Indwelling Voice Prosthesis

Available in 20 Fr.

Indwelling Voice Prosthesis

Available in 16 & 20 Fr.

Indwelling Voice Prosthesis

Available in 16 & 20 Fr.

Voice Prosthesis

Available in 16 & 20 Fr.

Voice Prosthesis

Available in 16 Fr.



Employs atraumatic Blom-Singer Gel Cap Insertion System.
Small diameter prosthesis (16 Fr.) for use in questionably healthy TE wall tissue.
Anti-fungal additive (silver oxide) incorporated in the valve as a material preservative.
Valve (20 Fr.) offers minimal resistance to speech airflow.
Voice prosthesis is available in one and two millimeter (mm) incremental lengths.
Optional increased valve resistance to prevent air ingestion to the stomach.
Optional large esophageal flange to prevent leakage around the prosthesis.
Optional large esophageal and tracheal flanges provide a "double seal" for enlarged puncture tracts and "tear-drop" or irregularly shaped punctures.DUAL VALVE™
Large Flange
Optional Increased Valve Resistance with Large Esophageal Flange.
TEP Occluder: not a voice prosthesis.
Flushing Device
Plug Insert