Patents by Inventor Keith A. Collins

Keith A. Collins 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).

  • RADIOPAQUE INJECTABLE NUCLEUS HYDROGEL COMPOSITIONS
    Publication number: 20120276008
    Abstract: In one embodiment, the invention relates to a composition suitable for preparing a hydrogel useful as replacement material for all or part of a disc nucleus. The composition comprises: a curable, cross-linkable, non-immunogenic, non-toxic protein comprising a minimum of about 10% and a maximum of about 25% of the hydrogel by weight; a metal contrast agent comprising a minimum of about 2% and a maximum of about 70% of the hydrogel by weight; and a crosslinker comprising a minimum of about 0.1% and a maximum of about 10% of the hydrogel by weight; wherein the composition has a discernable radiopacity level.
    Type: Application
    Filed: April 26, 2011
    Publication date: November 1, 2012
    Applicant: SPINE WAVE, INC.
    Inventors: Jared W. Walkenhorst, Keith A. Collins, Dennis Y. Lee, Thomas G. Wilson, Thomas J. Douville, Ulrich Berlemann