Story highlights Floating hospital was deployed to Puerto Rico to take pressure off local hospitals

But most of its beds are still empty amid confusion over how to transfer patients

San Juan, Puerto Rico (CNN) Sammy Rolon is living in a makeshift clinic set up at a school. He has cerebral palsy and epilepsy and is bedridden. He's waiting for surgery that was scheduled before Hurricane Maria smashed into Puerto Rico. Now, he can't even get the oxygen he needs.

There is help available for the 18-year-old -- right offshore. A floating state-of-the-art hospital, the USNS Comfort, could provide critical care, his doctor says.

But nobody knows how to get him there. And Sammy is not alone.

Clinics that are overwhelmed with patients and staff say they don't even know how to begin sending cases to the ship. Doctors say there's a rumor that patients have to be admitted to a central hospital before they can be transferred to the Comfort.

Only 33 of the 250 beds on the Comfort -- 13% -- are being used, nearly two weeks after the ship arrived.

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