![Stryker OrthoLav](https://cdn.statically.io/img/static.wikia.nocookie.net/memoryalpha/images/7/73/Stryker_OrthoLav.jpg/revision/latest/scale-to-width-down/180?cb=20130916193559&path-prefix=en)
A Stryker OrthoLav
The OrthoLav was a piece of medical equipment used on Earth in the 20th century. It was manufactered by Stryker.
In 1986, a Stryker OrthoLav was present in Pavel Chekov's operating room at Mercy Hospital. (Star Trek IV: The Voyage Home)
The OrthoLav is used for surgical irrigation. [1]