General Introduction
The Provox System
Surgery
Replacement
Troubleshooting
Speech Therapy
Hands-free Speech
    Introduction
    Provox FreeHands HME automatic speaking valve
    Attachment of the valve
    Assembling and disassembling the HME
    Choosing the membrane
    Proper adjustment of the cough-relief valve
    Using the walk and talk position
    Use of the cleaning container
    Speech therapy. What to practice to optimize hands-free speech
    Conclusion
    Troubleshooting
       No voice sound
       Weak/whispery/aphonic voice
       Air leakage under membrane
       Air escaping underneath cough-relief valve
       Shortness of breath
       Cough-relief valve opens when patient is speaking loud
       Seal of the adhesive does not last long
       Problems with intratracheal fixation
       Too much noise of cough-relief valve when coughing
    Reference
Research
Pulmonary Protection
Olfaction
References
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