Patents by Inventor Bert Green

Bert Green 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).

  • Methods and apparatus for delivering substances into extravascular tissue
    Patent number: 6217554
    Abstract: Apparatus and methods for delivering a therapeutic or diagnostic agent into extravascular tissue surrounding a body passageway is provided comprising a catheter having a sheath, a tubular member, and a plurality of hollow needles on a distal end of the tubular member. The tubular member is selectively movable between delivery position, wherein the plurality of hollow needles are retracted within the sheath, and an extended position, wherein the plurality of hollow needles extend beyond a distal endface of the sheath to pierce and penetrate extravascular tissue. The catheter also includes a balloon for applying pressure to seal puncture wounds created by the hollow needles.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: April 17, 2001
    Assignee: PharmaSpec Corporation
    Inventor: Bert Green