Cass I'm sorry, but your idea with the "male-to-male" cable won't work. It's just not that kind of USB port; it can't be used for that purpose.
Fran, I think some pictures might help clarify this thread. Is THIS the adapter that you're suggesting he should buy?
https://www.amazon.com/Transcend-PCMCIA-Ata-Adapter-Card/dp/B0009M069YIf his PCMCIA socket is fried, an adapter like this may not work any better than what he already has. The question is: Is it the socket that failed, or the media itself?
Cass before I would mess with 3 1/2" diskettes, I would ask a computer geek to install one of those "floppy to USB" conversion kits. If all else fails, that would give you a viable 21st-century option.