Stryker Ortho Lab

From Memory Alpha, the free Star Trek reference

The Stryker Ortho Lab was a piece of medical equipment used on Earth in the 20th century. It was used to administer liquids intravenously.

In 1986, when Pavel Chekov was administered to Mercy Hospital, a Stryker Ortho Lab was present while he was undergoing surgery. (Star Trek IV: The Voyage Home)