Patents by Inventor Ray C. Chiu

Ray C. Chiu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20020197240
    Abstract: The present invention relates to a method of inducing tissue cell growth and/or organ repair in vivo without eliciting an immune response. The method includes the transplantation of undifferentiated stem cells into a recipient suffering from tissue and/or organ damage. The source of the undifferentiated stem cells for the transplantation may be autologous, allogenic or xenogenic. Preferably, the undifferentiated stems cells are marrow stroma cells.
    Type: Application
    Filed: May 15, 2002
    Publication date: December 26, 2002
    Inventor: Ray C. Chiu
  • Patent number: 5429584
    Abstract: A copulsation and counterpulsation cardiac assist device, wherein the copulsation means includes an extra ventricular cup having and expansible envelope for compressing the heart during systole, and the counterpulsation means comprises a peri-aortic jacket including a fluid expansible balloon for compressing a portion of the aorta during diastole. Belows are provided to be activated by the latissimus dorsi muscles respectively for alternating the supply of fluid pressure to the copulsation device and the counterpulsation device. A heart sensor senses the heart rate, and a pulse train device activates each of the muscles in alternate fashion to contract the respective muscles for producing the required alternating fluid pressure flow.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: July 4, 1995
    Assignee: McGill University
    Inventor: Ray C. Chiu