Yes. Kind of.
Move any note of a diminished chord down a half step and you get a seventh chord. And then back to get the b9.
Examples from the video...
xx7878 - Aº becomes xx6878 - Ab7
xx7878 - Ebº becomes xx7778 - D7
xx7878 - F#º becomes xx7868 - F7
xx7878- Bº becomes xx7877 - B7