(*)The patient and partner satisfaction rates were higher in the three-piece implant group than in the malleable and two-piece implant groups (p <0.001).
Ref: Çayan S, Aşcı R, Efesoy O, Bolat MS, Akbay E, Yaman Ö, “Comparison of Long-Term Results and Couples' Satisfaction with Penile Implant Types and Brands: Lessons Learned From 883 Patients With Erectile Dysfunction Who Underwent Penile Prosthesis Implantation”, J Sex Med. 2019;16(7):1092–1099.
(**) “Most patients prefer the 3-piece inflatable devices due to the more “natural” erections obtained. Likewise, 3-piece inflatable devices provide the best rigidity and the best flaccidity because they will fill every part of the corporal bodies”
https://uroweb.org/guideline/sexual-and-reproductive-health/