Patents Assigned to Deumed Group Inc.
  • Valve means with fluid retraction means
    Patent number: 5427144
    Abstract: A combined trumpet valve and reed valve serve to control the flow of fluid into a conduit and is particularly adapted for lens cleaning apparatus for flowing water over the lens or lens cover in an endoscope with viewing mechanism and is capable of retracting the trapped fluid in the conduit to prevent it from dripping into the area being viewed and removing any residual fluid that is left on the lens when the valve is positioned to the closed position.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: June 27, 1995
    Assignee: Deumed Group Inc.
    Inventors: J. Michael Teets, Bruce E. Wiita, Gregory D. Witta
  • Lens cleaning means for invasive viewing medical instruments
    Patent number: 5313934
    Abstract: A hollow tubular elongated member is concentrically mounted to a borescope or surgical viewing instrument defining a spaced passage for flowing fluid to a cuff which is discretely located below the distal end of the lens of the borescope and which defines a discretely configured discharge port for flowing fluid over the lens surface for cleansing and defogging purposes. A two-piece locking handle may be used to lock the lens cleaning apparatus to the borescope. Another embodiment includes a flexible tube utilized with the cuff.
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: May 24, 1994
    Assignee: Deumed Group Inc.
    Inventors: Bruce E. Wiita, J. Michael Teets, Gregory D. Wiita