Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Arthroscopic view of left shoulder with patient in beach-chair position: intra-articular view through posterior portal. Preparation of the greater tuberosity is performed using a radiofrequency device for the soft tissues (A) and a shaver blade for the cortical bone (B) from the lateral and anterosuperior portals. The viewing portal can be shifted to the lateral portal to complete the procedure with instruments from the posterior and/or anterosuperior portal.
