| 摘要 |
The mask that is the subject of the present invention enables the delivery of continuous positive airway pressure to patients suffering from sleep apnea by engaging and sealing the area surrounding the patient's nasal passages in order to deliver the therapy. The present invention includes a new nasal interface piece that is of different material composition than the balance of the mask and is comprised of between twelve and thirty-two percent elastane, between twelve and thirty-two percent polyurethane and between forty-six and sixty-six percent polyamide.
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