| 摘要 |
<p>An inflatable device is disclosed, comprising a substantially fluid impermeable bladder having an outlet, wherein a first substantially rigid surface is in contact with a first surface of the fluid impermeable bladder and a second substantially rigid surface is in contact with the first surface of the fluid impermeable bladder, the first and second substantially rigid surfaces collectively being in contact with more than half of the first surface of the fluid impermeable barrier.</p> |
