WASHINGTON, Aug. 11 -- Law firms assisted companies in the following recently announced transactions: * * * Troutman Pepper Locke... ....advised OrthoFundamentals, LLC, a U.S.-based company specializing in implants and sterile-packed instrument kits for SI Joint Fusion, on its sale to Demetra, a global medical company. The acquisition enables Demetra to expand its presence in the U.S. market and strengthen its new spinal care division. The team that advised OrthoFundamentals included Joe Kadl more ST