Advantages of the dual-chamber mask

• Allows measurement of both Nasalance and Nasal Emission.
• Readings are more independent of sensor orientation than with a partition.
• Better rejection of ambient sounds.

Advantages of the NVS partition handle for measuring Nasalance

• The separator is not strapped to the head, as is the case with competitive systems.  More easily accepted by children and used in the home for practice.
• The removable separator plates are easily changed by the clinician or the user, to better fit the user’s face. A correct fit means repeatable nasalance readings with a minimum pressure on the upper lip.

The removable plates can be easily washed in a dishwasher or by hand, or sterilized by standard methods for critical hospital environments.

 

This comfortable hand-held partition handle offers a measurement solution with a number of advantages compared to competing systems for measuring Nasalance.

• The separator is not strapped to the head, as is the case with competitive systems, and is easily taken on and off the face.
• The separator plates are easily changed by the clinician or the user, for cleaning or to better fit the user’s face.
• Separator plates are supplied in three standard sizes with the unit to accommodate almost all maxillary anatomies, and custom-made plates can be supplied for unusual curvatures of the anterior maxilla.
• A correct fit for the separator assures accurate and repeatable nasalance readings with a minimum pressure on the upper lip.
• Multiple separator plates can be purchased and individualized for each client.  The plates can also be painted to identify the user or to make them more attractive to young children
• Plates can be easily washed in a dishwasher or by hand, or sterilized by standard methods for critical hospital environments.
• The larger separator plate and better customized fit result in a greater and more consistent separation of oral and nasal sounds
• Factory calibrated.  No need for field calibration.

Partition-based handle Use of partition-based handle

Glottal Enterprises can now supply a separator-style measurement handle that is interchangeable with the dual-chamber Oronasal Mask for measuring Nasalance.  A main-screen selector on the latest version of SpeechTutor enables the user to change instantly between a mask and a partition. Owners of older versions of Speech Tutor can upgrade their software free of charge when purchasing a partition-style handle.

For SpeechTutor users who are interested in tracking only vowel Nasalance, and not Nasal Emission in consonants, Glottal Enterprises can now supply a separator-style measurement handle that is interchangeable with the dual-chamber oronasal mask.  For researchers interested in making comparisons, this comfortable, hand-held separator offers a measurement solution comparable to that of some competing systems for measuring Nasalance.  A main-screen selector on the latest version of NVS enables the user to change instantly beween a mask and a partition.  Owners of older versions of SpeechTutor can upgrade their software free of charge when purchasing a partition-style handle.  Contact us if you would like more information about this option.

Manual

Catalog

Links to external websites (if any; Dr. Rothenberg’s site, white papers, etc)

Information about older CV Mask

1. Does the OroNasal have to be set up?
No special setup is needed. Depending on the configuration that you need, the screen rings and pressure transducers have to be attached to the Mask and/or the Handle and once connected to the Destop/Laptop, via USB, it is ready to be used with its associated software.

2. Can I buy only the OroNasal Mask?
Yes, you can buy the OroNasal Mask without purchasing a complimentary software package. However, the OroNasal Mask works best when used with Glottal Enterprises compatible software; such as the NVS System or the Waveview system.

3. Which should I use: the Separator Handle, or the OroNasal Mask?
The Separator Handle and the OroNasal Mask have different purposes. While some systems, such as the NVS, can use both, the instruction manual for each software provides more information on which system to use. If you are unsure, or would like more information on which system you could use, please contact use for more information and guidance.

4. Will I receive both the Adult and Child sizes when I buy the Mask?
This depends upon which system package you buy. Please see the Catalog for more information. You may, however, choose to specify and purchase either size at your discretion depending upon your needs and patient population.

5. I have allergies; will the OroNasal mask be ok for me?
The OroNasal Mask is made of biocompatible, non-allergenic materials. More information about the material used is available in the Device Specifications tab.

6. How do I store and handle the OroNasal Mask?
The OroNasal mask must be stored in a cool, dry place. Before use, it is suggested that the Mask be disinfected using the disinfection protocols at your clinic. The Mask may be cleaned using a soft, disinfectant wipe. Or, the Mask and the screen rings can be washed in warm soapy water. The screen rings must be checked for dirt and particles before use. They can be cleaned with water and soap, or disinfecting alcohol. A canned air system may also be used for this purpose. A slight yellowing of the material is expected over the lifetime of the device. This does not affect performance or the efficiency of the Mask. To slow down this process, it is advisable to cover the Mask and place it out of direct sunlight and other light when not in use. Further instructions for use are available in the manual.

Please see NVS, Aeroview, and Waveview pages for more information about the student demo versions of compatible software.

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