Subacromial Decompression

These are intra-operative photographs showing an arthroscopic (keyhole)

 sub-acromial decopression 

Bony Spur Before 

This shows the under-surface of the acromion. As you can appreciate there is a spur present which may be contributing to shoulder impingement.

Bony Spur during

This photo shows the spur being removed. As you can see it is common to remove approximately 5mm of bone from the undersurface using a mechanised shaver 

Bony Spur Post

This shows the spur following removal