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Robert D Fraser, Michael J O&apos Neil, Mark Boomer: Medical installation tool. DePuy AcroMed, Nutter McClennen & Fish, November 12, 2002: US06478800 (405 worldwide citation)

A tool for installing an object, such as an artificial disk prosthesis, between adjacent vertebrae includes a pair of opposed levers separated by a fulcrum. Blade tips are disposed at the distal end of the levers. A pusher block is disposed distally of the fulcrum, and upon actuation by forward move ...


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Robert D Fraser, Alexander Grinberg, Daniel Malone, Bradley Moore, Michael J O&apos Neil, Mark Boomer: Medical installation tool. DePuy Acromed, Nutter McClennen & Fish, June 29, 2004: US06755841 (379 worldwide citation)

An installation tool that is useful for the efficient and effective placement of an article, such as an artificial disc, between adjacent vertebral bodies is provided. The installation tool can be provided as a kit having modular components which allow the surgeon to select from among a variety of c ...


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Robert D Fraser, Donald William Howie: Prosthetic implant element. DePuy AcroMed, Nutter McClennen & Fish, July 15, 2003: US06592624 (276 worldwide citation)

An implantable prosthetic element includes a first end plate and a second end plate, each of which has a bone-facing surface and an opposed mating surface. The bone-facing surfaces of the first end plate and the second end plate each have at least one lobe protruding therefrom. Some or all of the lo ...


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Arthur D Steffee, E Raymond Ross, Robert D Fraser, Gary L Lowery: Spinal disc. DePuy Motech AcroMed, October 31, 2000: US06139579 (199 worldwide citation)

A spinal disc prosthesis to replace a damaged spinal disc in a spinal column (16) of a human, includes a body (10) having an upper surface (52) engageable with the upper vertebra (12) and a lower surface (152) engageable with the lower vertebra (14). The body (10) includes a crescent-shaped projecti ...


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Robert D Fraser: Surgical retractor system. Depuy Acromed, Nutter McClennen & Fish, October 15, 2002: US06464634 (56 worldwide citation)

A surgical retractor system comprises a support frame and at least one retractor blade. The support frame has a generally horizontally oriented support member comprising a plurality of holes. The surgical retractor has at least one retractor blade which is mateable at a selected position on the supp ...


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Robert D Fraser: Non-electronic hearing aid. Fraser Sound Scoop, Flehr Hohbach Test Albritton & Herbert, October 12, 1999: US05965850 (20 worldwide citation)

An acoustic hearing aid comprising: (a) a pair of thick-walled, sound collector cups (12) each shaped to fit over the pinna (20) of a user's ear, turning the back of pinna (21) forward, and each constructed of a sound reflective material of sufficient thickness to provide insulation against sound tr ...


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David M Workinger, Robert D Fraser: Radio frequency absorbing shield and method. Motorola, Frederick M Fliegel, August 16, 1994: US05338617 (16 worldwide citation)

A method for insulating metal powder particles comprises steps of placing the metal powder particles in a mixing container and adding a monomer in solution to the metal powder particles to form a mixture. The mixture is then stirred to provide an even consistency and is baked to remove solvents. The ...


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Robert D Fraser, John D Malone, Hassan A Serhan, Richard C Techiera: Spinal fixation plate. DePuy Synthes Products, Nutter McClennen & Fish, November 26, 2013: US08591588 (11 worldwide citation)

Spinal fixation plates for maintaining adjacent vertebrae in and fixed position are provided. In an exemplary embodiment, the plate includes opposed superior and inferior portions that are angled in a direction anterior to an anterior face of a mid-portion of the plate. The plate also includes a cur ...


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Robert D Fraser, John D Malone, Hassan A Serhan, Richard C Techiera: Spinal fixation plates. DePuy Synthes Products, Nutter McClennen & Fish, May 26, 2015: US09039775 (3 worldwide citation)

Spinal fixation plates for maintaining adjacent vertebrae in and fixed position are provided. In an exemplary embodiment, the plate includes opposed superior and inferior portions that are angled in a direction anterior to an anterior face of a mid-portion of the plate. The plate also includes a cur ...