rhizarthrosis.com

Pi2 (Tornier)

Interposition (pyrocarbon)

What it is made of

Design type
Interposition (pyrocarbon)

How well it holds up (published data)

WhatResultFollow-upPatientsSource
Implant survivalnot reported in our evidence base
Revision / removalnot reported in our evidence base

Each number links to the study it comes from. "not reported in our evidence base" means we checked our sources and none gives that figure. We never fill a gap with a guess.

The studies behind this implant (1)

  1. A 10-Year Prospective Outcome Study of Pi2 Pyrocarbon Arthroplasty for the Treatment of Thumb Metacarpal Joint Osteoarthritis (2016) · doi
© 2026 Rhizarthrosis.com · Evidence-based thumb arthritis education