| 摘要 |
An inflatable cushion adapted to be supported on a surgical table for use in supporting the knees and legs of a person during surgery. The cushion includes an inflatable bladder, which has top and bottom walls that are parallel to one another, and a side wall that is pleated such that the top and bottom walls remain generally parallel to one another when inflated. The cushion also includes a removable cover having an opening through which the bladder may be inserted and removed.
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