Abstract: A system and method for managing user access to objects in a computer system when a request to access the object is received. The user, operation and object are identified and matched against one or more Venn relationship rules to determine if they match any of the rules.

Abstract: In a hypodermic needle having an end that attaches to a syringe, an elongated hollow shaft for passing fluid terminated at a sharpened point; the improvement comprising an electrically insulating layer positioned on the shaft and at least one electrically conductive area positioned on the insulating layer. The electrically conductive area being adapted to be connected to an electrical source. A method of determining when a hypodermic needle penetrates into tissue, vein, or lumen by providing an electrical source; connecting the electrical source electrically to a hypodermic needle designed to provide two electrically conducting portions, spaced apart from each other, and near a point on the hypodermic needle.

Abstract: A batting tee in which the mount for the ball is positioned lower than the other components of the batting tee to encourage a level swing at the ball and to protect the mount from damage from the impact of a bat. The batting tee includes a base, an upright, and a swing arm, the mount for the ball being integral with the end of the swing arm opposite the end mounted to the upright. The swing arm is preferably pivotally and telescopically received in the upright so that the position of the ball can be varied.