Patents Examined by Allison M. Ford
  • Patent number: 7618452
    Abstract: The invention relates to a device for producing a three-dimensional circular muscle body from a carrier substance and from cell cultures incorporated therein comprising a cell culture dish (1) and at least one element (2) placed inside said cell culture dish (1). The invention also relates to a multi-well plate constructed of a number of devices, which are arranged side by side and/or one behind the other, for producing a three-dimensional circular muscle body. The invention additionally relates to a solution for cultivating mammal cardiomyocytes, to a method for cultivating a cell culture, to a device for measuring isometric force parameters of cell cultures, and to a method for following, in a measurable manner, contractions of a cell tissue incorporated in a carrier substance. Finally, the invention relates to an artificially produced three-dimensional muscle tissue, in particular, a heart muscle tissue.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: November 17, 2009
    Assignee: Medigene AG
    Inventor: Thomas Eschenhagen
  • Patent number: 7608455
    Abstract: A modified reconstituted extracellular matrix composition is provided herein. The composition includes an extracellular matrix and at least one exogenous component selected from heparin, fibronectin and laminin. The composition may have a basic pH. Additionally, provided herein is a cell culturing system including a substrate and a coating thereon of the composition to assess potential stimulators and/or inhibitors for their effects on various cell cultures while increasing the signal dynamic range.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: October 27, 2009
    Assignee: Becton, Dickinson and Company
    Inventors: Min Wu, Frank J. Mannuzza
  • Patent number: 7608284
    Abstract: The present invention relates to the use of a preparation of an active enamel matrix substance, such as an amelogenin, for the manufacture of a pharmaceutical composition for modulating an immune response. The composition can be used in preventing and/or treating a condition or disease in a mammal that is characterised by said mammal presenting an imbalance in its native immune response to an internal and/or external stimuli, i.e. wherein at least a part of said mammal's immune system is stimulated non-discriminatingly, reacts hypersensitively to said immunogen, or fails to react to said stimuli. Said condition can typically either be systemic or local, such as a systemic and/or post-traumatic whole-body inflammation or an autoimmune disease.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: October 27, 2009
    Assignee: Institut Straumann AG
    Inventors: Stina Gestrelius, Petter Lyngstadaas
  • Patent number: 7575856
    Abstract: The present invention describes devices, solutions, and methods for the ex-vivo assessment, resuscitation, triage, and maintenance of human candidate cadaveric hearts.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: August 18, 2009
    Assignees: The United States of America as represented by the Department of Veterans Affairs, President and Fellows of Harvard College
    Inventors: Shukri Khuri, Hemant Thatte, Vladimir Birjinuik
  • Patent number: 7560246
    Abstract: The present invention relates generally to compositions and methods for detecting target microorganisms in a sample. In particular, the present invention relates to compositions comprising a conditionally detectable maker and an enzyme substrate that provides detection of the target microorganism as well as methods of use thereof. With the invention disclosed herein, a widely applicable approach is revealed which utilizes a presumptive indicator for the target microorganism and non-target microorganisms capable of growth and detection in a medium followed by a confirmation indicator, which is substantially only reacted upon by the non-target microorganisms.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: July 14, 2009
    Assignee: BioControl Systems, Inc.
    Inventor: David E Townsend
  • Patent number: 7534451
    Abstract: Biocompatible bone graft material having a biocompatible, resorbable polymer and a biocompatible, resorbable inorganic material exhibiting macro, meso, and microporosities.
    Type: Grant
    Filed: October 26, 2004
    Date of Patent: May 19, 2009
    Assignee: Orthovita, Inc.
    Inventors: Erik M. Erbe, Theodore D. Clineff, Charanpreet S. Bagga, Gina M. Nagvajara, Antony Koblish
  • Patent number: 7531004
    Abstract: A pliable bone restorative having an osteoconductive foam that at least partially surrounds a biocompatible mesh and the foam comprises a biocompatible, resorbable polymer and calcium phosphate.
    Type: Grant
    Filed: October 26, 2004
    Date of Patent: May 12, 2009
    Assignee: Orthovita, Inc.
    Inventors: Charanpreet S. Bagga, Antony Koblish, Erik M. Erbe, Theodore D. Clineff, Steven B. Brown, Gina M. Nagvajara
  • Patent number: 7524514
    Abstract: The present invention relates to a three dimensional, malleable cell culture composition and method of forming the same comprising hyaluronic acid, chitosan and a polyelectrolytic complex of hyaluronic acid and chitosan. These three components in combination constitute an initial microenvironment for support of stromal cells, and their undifferentiated mesenchymal cell progeny. The tissue engineering device and method of forming the same comprising hyaluronic acid and chitosan and the use of said device with compositions of pluripotent cells and various formulations of cell culture media for repair of tissues is disclosed.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: April 28, 2009
    Assignee: Tissue Engineering Consultants, Inc.
    Inventor: John H. Brekke
  • Patent number: 7507254
    Abstract: The present invention relates to inorganic bone graft materials and a method for preparing the bone graft materials. Particularly, the present invention relates to a method for preparing bone graft materials comprises the following steps: collecting cancellous bones from an animal; removing lipids and organic materials from the cancellous bones using organic solvent, sodium hypochlorite and hydrogen peroxide; and sterilizing the cancellous bones wherefrom the lipids and the organic materials are removed. The bone graft materials prepared by the method of the present invention meet requirements for use in bone grafting, including biocompatibility, sterilization, osteoinductivity and osteoconductivity with free from immunogenecity and toxicity to tissue and are suitable for use in osteogenesis and have morphogenesis.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: March 24, 2009
    Assignee: Oscotec, Inc.
    Inventors: Chang Joon Yim, Se Won Kim, Jung Keun Kim, Jong Yeo Kim, Hyung Gun Kim, Dong Ryung Shin, Yong Mok Yu, Sung Bin Yim, Seon Yle Ko, Sung Churl Lee
  • Patent number: 7507581
    Abstract: A method for improving the health and viability of pancreatic islets and improving the outcome of pancreatic islet transplantations is described. The method includes incubating the islets with an IKVAV-containing laminin A chain peptide, such as PA22-2, either before or during the culturing of the islets in an RCCS bioreactor.
    Type: Grant
    Filed: April 3, 2006
    Date of Patent: March 24, 2009
    Assignee: Synthecon, Inc.
    Inventor: Stephen S. Navran, Jr.
  • Patent number: 7507422
    Abstract: A method for repairing damaged or diseased urinary tract tissue includes providing a urinary tract tissue graft composition that includes a distal ileal segment of small intestinal submucosa. The distal ileal segment of small intestinal submucosa may be utilized as an unseeded tissue graft composition, or the distal ileal segment of small intestinal submucosa may be positioned in a tissue culture frame, and smooth muscle and urothelial cells isolated from a tissue specimen of a subject and cultured are then seeded upon the distal ileal segment of small intestinal submucosa, thereby forming a urinary tract tissue graft.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: March 24, 2009
    Assignee: The Board of Regents of the University of Oklahoma
    Inventors: Bradley P. Kropp, Yuan Yuan Zhang, Earl Y. Cheng, Hsueh-Kung Lin, Rick Cowan
  • Patent number: 7482025
    Abstract: A tissue graft composition comprising liver basement membrane is described. The graft composition can be implanted to replace or induce the repair of damaged or diseased tissues.
    Type: Grant
    Filed: February 10, 2004
    Date of Patent: January 27, 2009
    Assignee: Purdue Research Foundation
    Inventor: Stephen F. Badylak
  • Patent number: 7476257
    Abstract: The present invention is directed to a cultured, stratified cartilage tissue that comprises a tissue-engineered, cohesive cartilage construct comprised of two or more cartilage layers, wherein each cartilage layer comprises chondrogenic cells having a chondrocytic phenotype corresponding to chondrocytes present in: a superficial-tangential zone of natural cartilage; a middle-transitional zone of natural cartilage; a deep-radial zone of natural cartilage; or a calcified cartilage zone of natural cartilage.
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: January 13, 2009
    Assignees: Rush University Medical Center, The Regents of the University of California
    Inventors: Robert L. Sah, Kelvin W. Li, Travis J. Klein, Barbara L. Schumacher, Koichi Masuda, Eugene J-M. A. Thonar
  • Patent number: 7449171
    Abstract: Methods of determining rate of biosynthesis or breakdown of biological molecules from metabolic derivatives and catabolic products are disclosed herein. In particular, methods of measuring the rates of biosynthesis and breakdown of biological molecules inaccessible or not easily accessible to direct sampling by sampling metabolic derivatives and catabolic products in accessible biological samples are disclosed herein.
    Type: Grant
    Filed: February 12, 2003
    Date of Patent: November 11, 2008
    Assignee: The Regents of the University of California
    Inventor: Marc K. Hellerstein
  • Patent number: 7419661
    Abstract: The invention concerns the use of dermal sheath tissue and/or cells derived therefrom in wound healing systems. Specifically, the relevant features of this tissue type have been exploited to provide a novel wound healing material that has application in the provision of new therapeutic compositions and new surgical dressings where wound closure and minimal scarring is desirable.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: September 2, 2008
    Assignee: The Centre of Excellence for Life Sciences Limited
    Inventors: Amanda Jane Jahoda, Colin Albert Buchanan Jahoda
  • Patent number: 7402432
    Abstract: The present invention is directed to an in vitro method for producing T lymphocytes. The method involves culturing bone marrow cells on a matrix seeded with keratinocytes and fibroblasts.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: July 22, 2008
    Assignee: The Brigham and Women's Hospital, Inc.
    Inventors: Rachael A. Clark, Thomas Kupper
  • Patent number: 7402319
    Abstract: The present invention is a natural, cell-free tissue replacement that does not require difficult or extensive preparation made by washing tissue replacement in a solution including one or more sulfobetaines and an anionic surface-active detergent and washing the tissue replacement in serial solutions of the buffered salt to remove excess detergent. The natural, cell-free tissue replacement may be a nerve graft that supports axonal regeneration, guides the axons toward the distal nerve end and/or is immunologically tolerated. Other forms of the invention are a composition and kit prepared by the method of making a native, cell-free tissue replacement. The present invention may be modified for use in diagnostic, therapeutic, and prophylactic applications.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: July 22, 2008
    Assignee: Board of Regents, The University of Texas System
    Inventors: Christine Schmidt, Terry Hudson
  • Patent number: 7384630
    Abstract: Novel methods, tissues and compositions for increasing the pancreatic mass of a mammalian recipient including harvesting immature pancreatic tissue from a mammalian donor and transplanting said tissue into the peritoneal cavity of a mammalian recipient under conditions that allow the pancreatic tissue to become vascularized and mature, thereby developing a functioning chimeric, endocrine pancreas that produces at least insulin in the recipient. The invention also includes mammalian immature pancreatic tissue adapted for transplantation into the peritoneal cavity of a mammalian recipient for increasing the pancreatic mass of the mammalian recipient as well as methods and compositions for treatment of the pancreatic tissue, recipient immunosuppression and recipient co-stimulatory blockade.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: June 10, 2008
    Assignee: Washington University
    Inventor: Marc R. Hammerman
  • Patent number: 7381404
    Abstract: The present invention relates to altering the physical and/or chemical properties of at least part of at least one tissue in the eye. In a specific embodiment, it relates to the treatment of any eye disorder, although in particular embodiments the individual has a thickened Bruch's membrane. An activating energy source is utilized to effect a controlled diffusion enhancement and/or degradation of Bruch's membrane that enables improved diffusional transport between the choroid and retina. The individual is administered an inactivated diffusion-enhancing molecule that becomes associated with the membrane, which is then precisely exposed to an activating energy source, such as light or ultrasound.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: June 3, 2008
    Assignees: The Regents of the University of California, California Institute of Technology
    Inventors: Daniel M. Schwartz, Scott Fraser, Robert H. Grubbs, Justin P. Gallivan, Changjun Yu
  • Patent number: 7371410
    Abstract: A bone graft substitute composition can include essentially of calcium sulfate, a mixing solution, and a plasticizing substance. A bone graft substitute composition can include calcium sulfate, demineralized bone matrix, cancellous bone, a plasticizing substance, and a mixing solution.
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: May 13, 2008
    Assignee: Wright Medical Technology, Inc.
    Inventor: Donald W. Petersen