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The ACCLARENT AERA® Eustachian Tube Balloon Dilation System is intended to dilate the Eustachian tube for treatment of persistent Eustachian tube dysfunction in patients ages 18 and older. For patients ages 8-17 years, the ACCLARENT AERA® Eustachian Tube Balloon Dilation System, alone or in combination with adjunctive procedures, is intended to treat patients with objective signs of persistent obstructive Eustachian tube dysfunction from inflammatory pathology, resulting in chronic otitis media with effusion and are refractory to at least one surgical intervention for persistent obstructive Eustachian tube dysfunction.

The ACCLARENT AERA® Eustachian Tube Balloon Dilation System includes a Eustachian Tube Balloon Catheter and Guide Catheter designed specifically for use in accessing and dilating the Eustachian Tube. The system is used with the following additional devices: the Acclarent® SE Inflation Device (or Acclarent® Balloon Inflation Device). The Acclarent® SE Inflation Device or Acclarent® Balloon Inflation Device is used to inflate the balloon. All devices are provided sterile for single-patient use. The ACCLARENT AERA® Eustachian Tube Balloon Dilation System includes is a 6x16mm (inflated diameter x length) flexible Balloon Catheter with an integrated shaft and a nylon balloon at the distal tip. The non-compliant balloon is designed to dilate the cartilaginous portion of the Eustachian tube. The shaft consists of dual lumen tubing with an actuator component that is designed to assist in rotation and advancement of the balloon catheter. The balled catheter tip (aka, “blueberry tip") on the balloon catheter is designed to restrict advancement of the device into the bony portion of the Eustachian tube, known as the isthmus. There is an endoscopic marker placed at the proximal taper of the balloon to aid in positioning under direct endoscopic visualization. The AERA Guide Catheter is anatomically designed to facilitate AERA Balloon Catheter access to the Eustachian tube. The AERA Guide Catheter incorporates an atraumatic distal tip and distal angled tip profile that facilitates access to the Eustachian tube. The Guide Catheter supplied with the ACCLARENT AERA® Eustachian Tube Balloon Dilation System contains a lubricious inner liner to allow smooth passage for the balloon catheter and includes a hypotube for rigidity.

The TubaVent balloon dilatation system is intended to dilate the cartilaginous portion of the Eustachian tube for treatment of persistent obstructive Eustachian tube dysfunction in patients 18 years and older.

The TubaVent balloon dilatation system is an Eustachian Tube Balloon Dilatation System consisting of the balloon catheter, the Tubalnsert insertion device and the inflation device. It is used for dilation of the cartilaginous portion of the Eustachian tube in persistent obstructive Eustachian tube dysfunction. The balloon catheter TubaVent is available in two versions where the balloon diameter is different: 3 and 4.5 mm. The insertion device Tubalnsert has an angle of 45° at the distal end.

The VenSure™ Balloon Dilation System is used to access and treat the frontal ostia/recesses, sphenoid sinus ostia and maxillary ostia/ethmoid infundibula in adults using a trans-nasal approach. The bony sinus outflow tracts are remodeled by balloon displacement of adjacent bone and paranasal sinus structures. To dilate the cartilaginous portion of the Eustachian tube for treating persistent Eustachian in adult patients using a transnasal approach. The VenSure™ Nav Balloon Dilation System is additionally intended for use in conjunction with the Cube Navigation System during ENT procedures when surgical navigation or image-guided surgery may be necessary to locate the Eustachian tube or to locate tissue, bone or cartilaginous tissue surrounding the drainage of frontal, maxillary, and sphenoid sinuses to facilitate dilation of the sinus ostia. The VenSure™ Light Balloon Dilation System is additionally used to locate, illuminate within, and transilluminate across, nasal and sinus structures in adults.

The VenSure Balloon Dilation Systems combine features of a malleable suction and a malleable probe with the tissue expansion effect of balloon dilation. The distal end of the device includes an atraumatic tip and can be shaped to fit the Frontal, Maxillary, Sphenoid sinuses, and Eustachian tube using the Bending Tool provided with the device. Since the distal end of the device is re-shapeable, one balloon can be modified to work on multiple sinuses and the Eustachian tube within the same patient. The devices come in an EO sterilized tray sealed inside of a Tyvek pouch with the bending tool, inflation device, and extension line included in the trav. All VenSure versions enable a physician to track the device into the sinuses and eustachian tube using endoscopic visualization. The VenSure™ Nav allows additionally for image-guided visualization when connected to the Cube Navigation System (manufactured by Fiagon). The VenSure™ Nav contains an integrated sensor carrier that enables the use of image guidance through "blug and play" tracking capability when used with the Fiagon Navigation System. The sensor carrier containing localizer elements detects a signal within a low-energy magnetic field delivered from the navigation unit. The navigation software then displays the location of the dilation instrument's tip within multiple patient image planes and other anatomic renderings. After confirmation of placement, the balloon of the dilation device can be inflated with saline solution, using the inflation device to expand the outflow track of the targeted structure. The VenSure™ Light additionally allows for LED light confirmation of the VenSure balloon through transillumination across nasal and sinus structures. The VenSure™ Light has an integrated flexible light fiber with battery powered LED light source designed to emit red light from the distal end of the VenSure balloon. The VenSure™ ET is a 45°- pre-bent configuration of the basic VenSure (with straight balloon tip). The pre-bend to 45°bemt of the VenSure ET facilitates the use of the device when only used for treatment in the eustachian tube. The device however can also be reshaped to fit to the sinuses using the Bending tool.

To dilate the cartilaginous portion of the Eustachian tube for treating tube dysfunction in patients 18 years and older using a transnasal approach.

The Audion ET dilation system (ET is an abbreviation for Eustachian tube) is intended to dilate the Eustachian tube through use of balloon dilation and a transnasal approach. It contains a dilation device, inflation device and inflation lock. The dilation device has a 1.26 mm outer diameter (OD) curved non-malleable shaft with a balloon fixed at the distal end and a 1.91 mm atraumatic polymer ball tip. The dilation device is positioned under endoscopic visualization with the balloon fully retracted. Once the portion of the device from the ball tip to the base of the curve is seated in the Eustachian tube, the balloon is advanced and then inflated. The deployed balloon angle of the dilation device is 45° for optimal treatment of the Eustachian tubes. The distal leg length with balloon extended is 18.5 mm. When the balloon is inflated to 12 atm, the balloon diameter is 6mm and the body length is 20 mm. The inflation device is an accessory that consists of an inflation syringe and an extension line. The inflation device is designed to deliver a pressure of 12 atm and is used to inflate the balloon on the dilation device. The inflation lock is an optional accessory that is intended to interface with the Audion dilation device, inflation syringe and extension line connections to hold or release pressure during balloon dilation. The Audion ET dilation system is provided sterile and is for single patient use only. The dilation device, inflation device and inflation lock are sterilized using ethylene oxide. The Audion ET dilation system has been tested to withstand multiple inflations in a surgical case

The Nu Vent Eustachian Tube Dilation Balloon is indicated for use in patients 18 years and older who need treatment for persistent Eustachian tube dysfunction.

The NuVent™ Eustachian Tube Dilation Balloon is composed of a sterile, single use balloon handpiece and stopcock valve. The balloon is used in conjunction with the NuVent™ inflator, which is packaged with extension tubing to connect the inflator to the stopcock valve. The NuVent™ Inflator was cleared as a part of the NuVent™ EM Sinus Balloon Dilation System, 510(k) cleared under K132297. A pre-angled flexible balloon section promotes easy access and insertion into the Eustachian tube from the nasal opening with the aid of endoscopic guidance. An atraumatic tip at the distal end of the flexible balloon section is meant to reduce the potential for risk of injury to the Eustachian tube and surrounding tissues during insertion. The rigid shaft and handle extending to the flexible balloon section provides stability and tactile feedback when moving the balloon through the nasal passages and into the Eustachian tube canal. Mounted near the distal end of the balloon handpiece is a flexible balloon section. Once the balloon section is advanced into the target Eustachian tube the 6mm diameter/16 mm long rigid balloon is inflated using the separate NuVent™ inflator, expanding the Eustachian tube canal tissue and cartilage.

The ACCLARENT AERA® Eustachian Tube Balloon Dilation System is intended to dilate the Eustachian tube for treatment of persistent Eustachian tube dysfunction in patients ages 18 and older.

The ACCLARENT AERA® Eustachian Tube Balloon Dilation System includes a Eustachian Tube Balloon Catheter and Guide Catheter designed specifically for use in accessing and dilating the Eustachian Tube. The system is used with the following additional devices: the ACCLARENT® SE Inflation Device (or ACCLARENT® Balloon Inflation Device). The ACCLARENT® SE Inflation Device or ACCLARENT® Balloon Inflation Device is used to inflate the balloon. All devices are provided sterile for single-patient use. The ACCLARENT AERA® Eustachian Tube Balloon Dilation System includes is a 6x16mm (inflated diameter x length) flexible Balloon Catheter with an integrated shaft and a nylon balloon at the distal tip. The non-compliant balloon is designed to dilate the cartilaginous portion of the Eustachian tube. The shaft consists of dual lumen tubing with an actuator component that is designed to assist in rotation and advancement of the balloon catheter. The balled catheter tip (aka, “blueberry tip") on the balloon catheter is designed to restrict advancement of the device into the bony portion of the Eustachian tube, known as the isthmus. There is an endoscopic marker placed at the proximal taper of the balloon to aid in positioning under direct endoscopic visualization. The AERA Guide Catheter is anatomically designed to facilitate AERA Balloon Catheter access to the Eustachian tube. The AERA Guide Catheter incorporates an atraumatic distal tip and distal angled tip profile that facilitates access to the Eustachian tube. The Guide Catheter supplied with the ACCLARENT AERA® Eustachian Tube Balloon Dilation System contains a lubricious inner liner to allow smooth passage for the balloon catheter and includes a hypotube for rigidity.

To access and treat the maxillary ostia/ethmoid infundibula in patients 2 years and older, and frontal ostia/recesses and sphenoid sinus ostia in patients 12 years and older using a transnasal approach. The bony sinus outflow tracts are remodeled by balloon displacement of adjacent bone and paranasal sinus structures. To dilate the cartilaginous portion of the Eustachian tube for treating persistent Eustachian tube dysfunction in patients 18 years and older using a transnasal approach.

The XprESS ENT Dilation System is intended to recreate the sinus outflow tract and dilate the Eustachian tube by transnasal balloon dilation. The XprESS device combines features of a curved suction tip and an ostium seeker with the tissue expansion effect of balloon dilation. The familiar features of this device enable a physician to track the device into the sinuses and Eustachian tubes using endoscopic visualization. Since the distal end of the device is re-shapeable, one balloon can be modified to work on multiple sinuses and Eustachian tubes within the same patient. The XprESS device curved suction tip has an atraumatic ball tip. A suction tube may be connected to the proximal barbed fitting to provide active suction by covering the suction vent. An Extension Line connected to a syringe may be connected to the proximal barbed fitting to provide irrigation. The device was designed to prevent fluid from exiting the suction vent during irrigation. The XprESS ENT Dilation System is provided sterile and for single use only. The Xpress ENT Dilation System includes the XprESS device, Inflation Syringe, Bending Tool, and two Extension Lines. The XprESS LoProfile and Ultra ENT Dilation Systems also include the PathAssist LED Light Fiber. The XprESS Pro ENT Dilation System also includes a Tuohy Adapter.

The ACCLARENT AERATM Eustachian Tube Balloon Dilation System is intended to dilate the Eustachian tube for treatment of persistent Eustachian tube dysfunction in adults ages 22 and older.

The ACCLARENT® AERA™ Eustachian Tube Balloon Dilation System includes the Eustachian Tube Balloon Catheter (ETBC) and the Eustachian Tube Guide Catheter (ETGC). The system is provided with the following additional devices: the Acclarent SE Inflation Device (or Acclarent Balloon Inflation Device) and Relieva Extension Tubing. The Acclarent SE Inflation Device (or Acclarent Balloon Inflation Device) is used to inflate the ETBC. The Acclarent SE Inflation Device and Acclarent Balloon Inflation Device are FDA cleared devices (K150172 and K052198, respectively). The Relieva Extension Tubing may be used to connect the Balloon Catheters and the Inflation Device when additional tubing length is required. The Relieva Extension Tubing is a Class I exempt device under 21 CFR 874.4420. All devices are provided sterile for single-patient use. The ETBC is a 6x16mm (inflated diameter x length) flexible Balloon Catheter (Figure 1) with an integrated shaft and a nylon balloon at the distal tip. The non-compliant balloon is designed to dilate the cartilaginous portion of the Eustachian tube (ET). The shaft consists of dual lumen tubing with an actuator component that is designed to assist in rotation and advancement of the ETBC. The balled catheter tip (aka, "blueberry tip") on the ETBC is designed to restrict advancement of the device into the bony portion of the ET, known as the isthmus. There is an endoscopic marker placed at the proximal taper of the balloon to aid in positioning under direct endoscopic visualization. The ETGC (Figure 2) is designed to facilitate ETBC access to the ET. The ETGC incorporates an atraumatic distal tip and distal angled tip profile that facilitates access to the ET. The ETGC contains a lubricious inner liner to allow smooth passage for the ETBC and includes a hypotube for rigidity.