Patents by Inventor Edmund Leung Ma

Edmund Leung 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).

  • Method and system for secondary lock for securing accessories in a radiation therapy system
    Patent number: 6695363
    Abstract: The present invention provides a method and system for a secondary lock for securing accessories in a radiation therapy system. The latching mechanism provided in accordance with the present invention includes a primary lock, a secondary lock, and a retainer shaft. The primary lock includes a head at a first end of the primary lock, and a protrusion at a first side of the primary lock. The secondary lock includes a main body, an engagement tang at a first end and a first side of the main body, and a locking tang at the first end and a second side of the main body. The retainer shaft is coupled to the primary lock and the main body of the secondary lock, where the secondary lock is fixedly positioned when the protrusion engages the accessory and the head resides between the engagement tang and the locking tang.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: February 24, 2004
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventor: Edmund Leung Ma