Patents by Inventor Ranjan Kumar Mishra

Ranjan Kumar Mishra 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: 20230031403
    Abstract: A robotic surgical system includes an instrument drive unit, a surgical instrument drivingly coupled to the instrument drive unit, and a carriage for supporting the instrument drive unit and the attached surgical instrument. The carriage includes a drive assembly that drives a rotation of the surgical instrument about a longitudinal axis defined by the surgical instrument. The carriage further includes a locking assembly configured to selectively fix the surgical instrument in a rotational orientation.
    Type: Application
    Filed: January 19, 2021
    Publication date: February 2, 2023
    Inventors: Michael A. Zemlok, Ranjan Kumar Mishra, Mark H. MacLeod, Jaimeen V. Kapadia
  • Patent number: 7440793
    Abstract: A computer assisted, minimally invasive method and apparatus for surgically removing abnormal tissue from a patient, for example, from a breast, are disclosed. The method involves imaging of the breast to locate the abnormal tissue, and determining a volume encapsulating the abnormal tissue and including a margin of healthy tissue. Based on the volume, a sequence of movements of a surgical instrument for tissue removal device is planned, so as to predictably excise the desired volume of tissue.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: October 21, 2008
    Inventors: Sunita Chauhan, Ranjan Kumar Mishra, Siew Bock Wee, Mona P. Tan