https://www.owenmumford.com/en/medical-devices/rapport
That's the official name for them - & yes, you can get them on the NHS. They are around £150 to buy, so your GP may not be too keen - but your Hospital Oncologyst can perscribe them - or other Hospital staff. A senior nurse, wrote my script - it had to be especially ordered in - not from Boots though, they were useless.
I found it a slight help, the Lady friend was a LOT more help to be honest !!!!
Of course, this was just before COVID had reared it's ugly head.
Good luck.