Patents Assigned to Welch Al Iyn, Inc.
  • Patent number: 5499964
    Abstract: An improved vaginal speculum includes a lower blade member having a straight segment, a curved portion, and a hollow leg portion. The speculum also includes a slide member, an upper blade member rotatably and slidably movable relative to lower blade member, and a light pipe extending from the hollow leg toward the straight segment of the lower blade. The light pipe is adapted to direct light from a light source positionable within the leg, into a region under examination. The upper blade is provided with a smoke evacuation passage formed by a U-shaped channel member positioned adjacent a contoured interior surface of the upper blade member. The U-shaped channel member is provided with a forward end, a rearward end, a bottom surface, and a pair of opposed side walls each having a top edge shaped to fit snugly against the contours of the interior surface or retaining walls formed thereon.
    Type: Grant
    Filed: September 16, 1994
    Date of Patent: March 19, 1996
    Assignee: Welch Al Iyn, Inc.
    Inventors: Henry Beck, J. Brian Noll, Michael D. Lynch