Patent ID: 7140879
Filing Date: 2006-11-28
Classification: A61C

Abstract:
1. A disposable soft saliva ejector comprising: A plastic tube with one chamfered end inserted into a pliable ejector tip, the other end attached to a vacuum source; said ejector tip is made of plastic material and has a cylindrical cup shaped wall and comprises a center hole at the distal end of the ejector tip surrounded by eight evenly spaced holes of smaller diameter than that of the center hole; said ejector tip further comprises eight oval shaped holes evenly spaced on a circumferential line along the ejector tip wall proximal to the distal end of the ejector tip; said ejector tip further comprises interior vertical wall reinforcements located between each oval hole; the thickness of said wall reinforcements taper from the top of the ejector tip to a level flush with the internal surface of the ejector tip at the distal end of the wall reinforcement adjacent to the oval holes; said wall reinforcements comprise three evenly spaced V-shaped grooves that run the length of the wall reinforcements; said wall reinforcements further comprise a wedged shaped tube-stop projecting from the wall reinforcement into the interior of the ejector tip; said tube stops located along a circumferential line above the oval holes.