US Patent 7475575 Theft prevention security device

An anti-theft device for articles having some article body portion of lesser cross sectional area bounded by body portions of greater cross sectional area so that the smaller body portion can be lockably held within a passage and the larger body portions prevent removal of the article from the anti-theft device. Preferably, the anti-theft device can be used for cables and other devices having permanent non-removable enlarged sections, such as endoscopy cables.