Patents Represented by Attorney Gregory Scott Dorland

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  • Magnesium ammonium phosphate cement composition
    Patent number: 7540914
    Abstract: This invention relates to a cement, which comprises in its main phase of microcrystalline magnesium ammonium phosphate and nanoapatite after hardening and thus at the same time has considerable strength. The material is biologically degradable and is suitable for application in tooth cements, as bone replacement, as bone filler, as bone cement or as bone adhesive.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: June 2, 2009
    Assignee: Kyphon SARL
    Inventor: Michael Zimmermann
  • Self-foaming cement for void filling and/or delivery systems
    Patent number: 7507286
    Abstract: A self-foaming bone cement is described herein. In one variation, the bone cements include a self setting calcium phosphate cement formulation which when cured, forms macroscopic pores of varying sizes and densities with sufficient surface area to provide substantial regions for bone turnover.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: March 24, 2009
    Assignees: Sanatis GmbH, Kyphon SARL
    Inventors: Avram Allan Edidin, Robert Wenz, Jörg Meyer
  • Silicon substituted oxyapatite
    Patent number: 7498043
    Abstract: The invention is a silicon substituted oxyapatite compound (Si—OAp) for use as a synthetic bone biomaterial either used alone or in biomaterial compositions. The silicon substituted oxyapatite compound has the formula Ca5(PO4)3-x(SiO4)xO(1-x)/2, where 0<x<1.0.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: March 3, 2009
    Assignee: Warsaw orthopedic, inc.
    Inventors: Michael Sayer, Joel Reid, Timothy J. N. Smith, Jason Hendry