If you don't have a cat, that could be a substitute. If you do have a cat, you'll never get to use it yourself.

First we would need to find out what about the purr heals. The sound, the vibration? And what speed and octave etc.

I did a little Google searching and found them made specifically for calming dementia patients and anxious cats.

This one purrs but is pretty expensive

Joy For All Pets Comfort Companion | Doll & Pet Therapy | Alzheimer's + Dementia Dolls + Pets | Robotic Pet | Hasbro | Ageless Innovation | MindCare Store https://share.google/CVzFmLfhfbUo5cpi4


Here at the Alzheimer store, this one doesn't say rather it purrs or not

Perfect Petzzz Orange Tabby | Pet Therapy for Dementia & Alzheimer's | Help prevent loneliness with a comforting pet who sleeps and breathes | Alzstore https://share.google/dYYadeAZObGakCjX1