Anti-Grav Lift
An anti-grav lift is the 24th century equivalent of a stretcher. It uses technology similar to that of a hovercraft or anti-grav sled to "defy" gravity.
An anti-grav lift was used to carry Jean-Luc Picard from the future from the shuttlebay to sickbay. (TNG: "Time Squared")
An anti-grav lift was also used to carry the dead Marla Aster from sickbay to the morgue. (TNG: "The Bonding")
A similar lift was used to carry away wounded crewmembers of the USS Enterprise-D after Ux-Mal prisoners had taken control of Ten Forward. (TNG: "Power Play")
When it seemed as if several crewmembers had been wounded by an EM explosion in cargo bay 4, an emergency medical team checked on the crewmembers and brought an anti-grav lift for potential casualties. (TNG: "Schisms")
When Geordi La Forge was abducted by the Duras sisters in 2371, an anti-grav lift was brought into the transporter room with the medical team to bring him to sickbay. (Star Trek Generations)
Tahna Los was carried away from Ops using an anti-grav lift. (DS9: "Past Prologue")
When Quark was shot at point-blank range, Doctor Bashir had the Ferengi transported to the Infirmary on an anti-grav lift. (DS9: "Necessary Evil")