Patents by Inventor Xiaogin Ma

Xiaogin Ma 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: 20130197438
    Abstract: A microfluidic delivery system (10) includes a reservoir (3) to hold a predetermined volume of fluid, such as a dose of a drug. An outlet (5) allows delivery to a patient. A piston (15) can move in the reservoir (3) to dispense fluid through the outlet (5). Movement of the piston (15) is provided by an actuator (9) including a coil (19) of shape memory allow. Other examples use SMA wires. The SMA element (19) is controlled by an electrical current.
    Type: Application
    Filed: February 21, 2011
    Publication date: August 1, 2013
    Inventors: Hongyi Yang, Xiaogin Ma