By Anuja Vaidya
Here are 20 key notes on orthopedic and spine device companies over the past week.
The Washington, D.C. private equity firm Arlington Capital Partners acquired Avalign Technologies, a Lake Forest, Ill.-based precision manufacturer of medical devices. 
Bacterin released the preliminary second quarter financial results, showing total revenue is up for the quarter.
Flower Orthopedics’ FlowerCube concept received CE Mark approval.
Histogenics, a regenerative medicine company focused on musculoskeletal products, appointed Dr. Gloria Matthews, DVM, PhD, chief medical officer.
Johnson & Johnson’s orthopedics business reported $2.3 billion in sales for the second quarter.
K2M closed its share offering of common stock, which included 750,000 shares from the company and 3.75 million shares from selling stockholders.