. in may 2013 , we acquired the business assets of knee creations , llc ( 201cknee creations 201d ) . the knee creations acquisition enhanced our product portfolio of joint preservation solutions . in june 2013 , we acquired normed medizin-technik gmbh ( 201cnormed 201d ) . the normed acquisition strengthened our extremities and trauma product portfolios and brought new product development capabilities in the foot and ankle and hand and wrist markets