Patents Assigned to Dalhousie College and University
  • Pressure anesthesia device for guiding needles
    Patent number: 5171225
    Abstract: A pressure dental anesthesia device comprising a needle guiding element attached to a handle and having a tip suitable for pressing against a living tissue area to be anesthetized. The needle guiding element has an elongated cavity which narrows at the pressure tip to localize the needle and widens towards the distal end of the cavity so as to facilitate the positioning and guidance of the hypodermic needle in the cavity at a safe distance from the tissue.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: December 15, 1992
    Assignee: Dalhousie College and University
    Inventor: John D. Sterrett