Cenotaph
The cenotaph was a device used by the Vhnori to send their dead to the Next Emanation. A person who was near death was placed into the cenotaph, which terminated their life just prior to the appearance of a subspace vacuole, which in turn transported the body to a planetary ring system in the Delta Quadrant.

In 2371, Harry Kim of the  was accidentally transported into a cenotaph on the Vhnori homeworld, through the same vacuole that transported Ptera to Voyager. He was able to return to Voyager by taking Hatil Garan's place in the cenotaph. ()

de:Zenotaph
Death ceremonies
Transporter technology