The sex shops sell cheap versions that will work well. You can also buy them on e-bay.
Many insurance companies consider them as durable medical equipment. Might ask them about that as a therapeutic device for penile atrophy. Get a doctors script.
Good luck. They will pump it up, but generally you have to constrict the penis so much to stop leakage, that the resulting hard can be painful to maintain for very long. Been there, done that. They can be useful if you use injections
Age 58, PSA 4.47 Biopsy - 2/12 cores , Gleason 4 + 5 = 9
Da Vinci, Cleveland Clinic 4/14/09 Nerves spared, but carved up a little.
0/23 lymph nodes involved pT3a NO MX
Catheter and 2 stints in ureters for 2 weeks .
Neg Margins, bladder neck negative
Living the Good Life, cancer free 6 week PSA <.03
3 month PSA <.01 (different lab)
5 month PSA <.03 (undetectable)
6 Month PSA <.01
1 pad a day, no progress on ED. Trimix injection
No pads, 1/1/10, 9 month PSA < .01
1 year psa (364 days) .01