Patents by Inventor Lisa Yoshizumi

Lisa Yoshizumi 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).

  • Needle having an aperture for detecting seeds or spacers loaded therein and colored seeds or spacers
    Patent number: 6572525
    Abstract: The invention provides a device for use in brachytherapy applications for implanting seeds and spacers into tissue that includes a needle or shaft having an aperture or slit down the side that exposes the interior space of the shaft to allow the sequence of seeds and spacers to be detected by observing their position through the aperture. The invention also provides colored seeds and/or colored spacers that facilitate visual detection of a load sequence of seeds and spacers in any brachytherapy device. Methods and systems using the needle or shaft having a slit, or for using the colored seeds or spacers, are also provided.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: June 3, 2003
    Inventor: Lisa Yoshizumi