| 摘要 |
An inflatable mattress having a top panel including an annular internal e dge that defines a first opening and a bottom panel sealingly assembled to t he top panel and having an annular internal edge that defines a second openi ng. The bottom panel also includes a plurality of perforations wherein the f irst opening and the second opening together form a portal for accommodating a medical device protruding from a patient. A dual- chambered transfer matt ress is also provided having a blind portal defined through a top inflatable mattress. Methods are provided for holding a patient for a period of time w here the patient has had a medical fixture implanted in a body portion so th at a portion of the medical fixture projects outwardly from the patient's bo dy and is located within the portal the portal provides clearance for accomm odating the medical fixture.
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