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The Blom-Singer® Adjustable Bi-Flanged Fistula Prosthesis is indicated for the management of hypopharyngeal fistulae. This is a short term medical device, normally intended for continuous use for not more than 29 days. It needs periodic replacement.

The Blom-Singer® Adjustable Bi-Flanged Fistula Prosthesis is a bi-flanged silicone device connected with a stretchable (elastomeric) beaded stem. Both flanges are the same diameter for a given size device. The inner flange is flexible enough to allow folding for trans-fistula insertion by a trained physician. The device is fabricated from implant grade silicone. The product will be offered in three sizes: 25mm, 38mm and 50mm. The size is the outside diameter of the sealing flange size options allow the device to accommodate the size of the fistula in the tissue. The three (3) sizes offered are to close fistulas of size between approximately 6 mm diameter and 25 mm diameter, and tissue thickness from approximately 1.5mm to 25mm. The flanges, which are flexible, allow the device to conform to the contours of the tissue at the site yet minimize leakage. The Blom-Singer® Adjustable Bi-Flanged Fistula Prosthesis Insertion and Removal Catheter is supplied as an accessory to insert or remove the 25 mm and 38 mm Blom-Singer ® Adjustable Bi-Flanged Fistula Prostheses.

The Blom-Singer® Septal Perforation Prosthesis is indicated for use for non-surgical closure of nasal septum perforations.

The Blom-Singer® Septal Perforation Prosthesis is a bi-flanged elastomeric device, each prosthesis are comprised of two (2) pieces which are attached to one another using a set of 2 enclosed magnets at the center of the flanges. The center post is either an oval or circular silicone stem that will fill most of the nasal septal perforation. The overlapping thin section or flange will extend beyond perforation to help with the closure of the perforation and the retention of the device. The flanges will be offered is various sizes and shapes to accommodate the individual's septal shape. In addition, the clinician may trim the flanges to fit. The device is intended to be used up to 29 days.

The Blom-Singer Indwelling TEP Occluder is indicated for anterograde placement in and maintenance of the TE puncture following total laryngectomy when placement, or replacement, of the indwelling occluder is performed by a qualified, trained medical professional. This device is for use with healed, intact tracheoesophageal puncture fistulas only.

The Blom-Singer Indwelling TEP Occluder is designed to provide fistula maintenance while preventing leakage of liquids from the esophagus into the trachea after total laryngectomy. The Indwelling TEP Occluder has been modified from its predicate devices by the inclusion of the Indwelling Low Pressure Voice Prosthesis design, and is now available in 16 and 20 fr. Sizes. In addition, this device will be offered in a large esophageal flange version. This version will be identical except for an esophageal flange which is greater in diameter to deter leakage around the device in individuals with unique physiology. These devices are manufactured from medical grade silicone and are latex-free.

The Blom-Singer Indwelling voice prosthesis is indicated for tracheoesophageal voice restoration following total laryngectomy, when placement, or replacement, of an indwelling voice prosthesis is performed by a qualified, trained medical professonal.

The Blom-Singer Dual Valve Indwelling Voice Prosthesis is provided for the same indications for use as the other Blom-Singer Indwelling Voice Prosthesis product lines. The Dual Valve Indwelling Voice Prosthesis has been modified from its predicate devices by the addition of a second valve intended to continue to function when leakage occurs in the primary valve. The Blom-Singer Dual Valve Indwelling Prosthesis has been modified from its predicate devices by the addition of a second valve, consisting of a valve and valve seat, intended to continue to function when leakage occurs in the primary valve. The prosthesis is still primarily silicone. A second modification is the introduction of a slight tension in the voice prosthesis strap when loaded on the inserter with a gel cap containing the prosthesis' esophageal flange. When the gel cap dissolves the inserter moves forward, indicating flange deployment. Accessory Devices: The device will be offered with the following accessories: inserter stick, flushing device, flange introducer, gel caps, and lubricant,