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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.

Clinician-placed Indwelling Voice Prostheses

The Blom-Singer Indwelling voice prosthesis is an indwelling style, clinician-placed voice prosthesis.

Blom-Singer Indwelling voice prostheses are available in four product styles and offered in nonsterile or sterile, and with or without silver oxide (anti-fungal substance). Nonsterile product is not intended for primary placement procedures.

Blom-Singer Indwelling Voice Prostheses Nonsterile Sterile Silver Oxide
CLASSIC, 16 & 20 Fr.
ADVANTAGE (Hard Valve Assembly) 20 Fr.
ADVANTAGE (Soft Valve Assembly) 16 & 20 Fr.

*Silver oxide, a known anti-fungal substance, has been incorporated into the prosthesis as a material preservative.

Blom-Singer® ADVANTAGE® Indwelling Voice Prosthesis - Rx

The ADVANTAGE is inserted and replaced on an as needed basis by a speech pathologist or physician only.

The Blom-Singer Advantage Indwelling Voice Prosthesis is embedded with silver oxide as a material preservative.* Includes nonsterile voice prosthesis for secondary or replacement TEP procedures, with insertion/cleaning accessories.




Soft Valve Assembly

Hard Valve Assembly

Blom-Singer® CLASSIC™ Indwelling Voice Prostheses


Blom-Singer® ClassicIndwelling Voice Prostheses

Includes nonsterile voice prosthesis for secondary or replacement TEP procedures, with insertion/cleaning accessories. Clinician placed.


Blom-Singer® CLASSIC™ Indwelling Voice Prostheses - Sterile Series - Rx


Blom-Singer® ClassicIndwelling Voice Prostheses (Sterile)

Includes sterile prostheses for primary TE puncture and placement procedures. Includes insertion and cleaning accessories. Clinician placed.


Patient Changeable Voice Prostheses


Blom-Singer® Duckbill Voice Prostheses - Rx


Blom-Singer® Duckbill Voice Prostheses

The Blom-Singer® Duckbill is a patient changeable, one-way slit valve prosthesis.


Blom-Singer® Low Pressure Voice Prostheses - Rx


Blom-Singer® Low Pressure Voice Prostheses

The Blom-Singer® Low Pressure is a patient changeable, one-way valve prosthesis.