Patents by Inventor Thorkild V. Norregaard

Thorkild V. Norregaard 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).

  • Prosthesis for promotion of nerve regeneration
    Patent number: 4955893
    Abstract: A method for producing a biodegradable polymer having a preferentially oriented pore structure and a method for using the polymer to regenerate damaged nerve tissue is disclosed. The preferentially oriented pores are produced by an axial freezing process and serve to promote proper vascularation and regeneration of the damaged nerve. Preferably, the biodegradable polymer comprises uncrosslinked collagen-glycosaminoglycan.
    Type: Grant
    Filed: March 23, 1989
    Date of Patent: September 11, 1990
    Assignee: Massachusetts Institute of Technologh
    Inventors: Ioannis V. Yannas, Dennis P. Orgill, Howard M. Loree, II, James F. Kirk, Albert S. P. Chang, Borivoje B. Mikic, Christian Krarup, Thorkild V. Norregaard