ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,799, issued on Oct. 6, was assigned to DR. MOHAMED YOUSSEF D.M.D INC. (Montreal).
"Hydraulic contrast lift system protocol" was invented by Mohamed Youssef (Montreal).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for maxillary sinus mucosa dissection and elevation, in humans or in animals, that lifts said mucosa away from the maxillary bone by injecting a fluid through an osteotomy or a hole in the maxillary bone to create an artificial space between said mucosa and the maxilla, that artificial space is to be subsequently filled with bone substitute or a dental implant or both, this apparatus is used in a new method to determine intra op...