An HSS Orthopedic Surgeon Explains Knee Replacement

Tony S. Shen, MD · HSS · Dec 3, 2025

When arthritis wears down the cartilage in your knee, pain and limited mobility can make everyday life challenging. Tony S. Shen, MD, hip & knee surgeon at HSS, explains what knee replacement really does — who’s an ideal candidate, what to expect during surgery, and why choosing an experienced team matters for the best outcome.

Robotic Knee Replacement Computer Navigation

Robotic Knee Replacement Surgery

This article explains how robotic assistance is used in knee replacement surgery to improve surgical precision and customize implant positioning, who may be a good candidate, and what patients can expect before and after surgery.

Read the full article on HSS.edu →