Patents by Inventor Anna Chien

Anna Chien 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).

  • MINIMALLY INVASIVE SKIN BIOPSY DEVICE FOR REMOVAL OF SKIN CONDITIONS IN THE EPIDERMIS
    Publication number: 20140073987
    Abstract: An embodiment in accordance with the present invention provides a device for performing a skin biopsy that includes a generally curved blade to cut the skin at a predetermined depth disposed within or an integral part of a blade holder assembly. The blade holder assembly has an outer surface and the generally curved blade is coupled to the outer surface of the blade holder assembly. The device also includes a housing having an outer wall and said outer wall defining an interior space within the housing, such that the blade holder assembly and generally curved blade are disposed substantially within the inner space of the housing. The device also includes a handle coupled to the blade holder assembly and configured to rotate the blade holder assembly and in turn the generally curved blade within the inner space of the housing to perform the skin biopsy or removal of skin conditions.
    Type: Application
    Filed: May 9, 2011
    Publication date: March 13, 2014
    Applicant: THE JOHNS HOPKINS UNIVERSITY
    Inventors: Sewon Kang, Danielle Nicole Dorfman, Yifu Ding, Chirag Shah, Andrew S. Harwell, Marie Kelly, Anna Chien, Luis Garza, Janice Taube, Anish Bhatnagar, Desai Pujan