The objective of this clinical trial is to evaluate whether a human umbilical cord amniotic membrane allograft can serve as an interposition implant in the surgical treatment of trapeziometacarpal osteoarthritis.
The main question this study aims to address is :
\- Can interposition of a human umbilical cord amniotic membrane within the trapeziometacarpal joint reduces postoperative pain and improves thumb mobility, grip and pinch strength, and overall wrist function.
Participant will:
* Undergo surgical treatment of the trapeziometacarpal osteoarthritis with the interposition in articular joint of an amniotic membrane of umbilical cord allograft on Day 0
* Visit the center for a series of tests 1 month, 3 months, 6 months and 12 months after the surgical intervention.