| 摘要 |
A U-shaped pillow provides for the maximization of the cross-sectional area of the air passage of the user at the level of the oropharynx. The user's head is extended backwards in the supine position with the natural curvature of the neck being supported by a supine neck resting portion and the user's occiput resting directly against the underlying mattress. Additionally the pillow has elevated lateral head and neck resting portions and sloped transitional neck resting portions, all structured so that when a user rolls between the supine and lateral decubitus positions the user's thoracic and cervical spine are maintained substantially aligned.
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