For information only - Not an advert...
Two alternative styles of grab bars that might work:
Swing away bed bar.
Or
Grab poleBoth types come in several models. The pole is free standing but can be attached to floor and/or ceiling with some modification.
Prices and quality vary.
We got the pole type for my Mother and told her it would double as a stripper pole. (Yes, I fully expect this last bit of information will be moderated out.
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G-half can always find a way to do things upside-down, inside-out or backward.
It's his Super Power!