Abstract: A medical device includes a user interface component and an energy harvesting system coupled to the user interface component. The energy harvesting system energy includes a harvesting component, a power storage device connected to the energy harvesting component and an output is coupled to the user interface and operably connected to the power storage device. A method of using the medical device is also provided.

Abstract: A visor assembly that is configured to be secured to a tactical helmet wherein the visor assembly includes a visor operable to shield a face of a wearer of the tactical helmet. The visor assembly include a visor body wherein the visor body includes a front end and a rear end. The visor body has a shape that is defined by perimeter edges wherein the perimeter edges are contiguous. The visor body has integrally formed therein a central attachment member. The central attachment member includes elements that provide releasable securing of the visor body to the helmet. In a preferred embodiment, a mounting shroud is present on the helmet and wherein the mounting shroud is configured to engage elements on the central attachment member so as to facilitate the operable coupling of the visor body to the mounting shroud.

Abstract: A paper roll cover includes a cover member, a left side wall having a plurality of apertures peripherally around a central large aperture, a right side wall having a plurality of apertures peripherally around a central large aperture, and where the left side wall is arranged and configured to reside on a left side of the cover member and the right side wall is arranged and configured to reside a right side of the cover member. In some embodiments, the plurality of apertures in the right side wall or the left side wall are configured to fit pegs to adjust the paper cover roll to brackets mounted on a wall and alternatively to a stand alone paper roll stand.

Abstract: A syringe is provided having a hub with an orifice, first and second barrels having interior surfaces to form respective lumens, a slider, and an optional test indicator. The first and second barrels slideably receive respective first and second plungers for movement therein. The slider is operable to provide a fluidly communicative path between the orifice of the hub and the first and second barrel lumens. The optional test indicator is responsive to at least one characteristic of bodily fluid, the test indicator positioned to be exposed to any bodily fluid drawn into the first barrel lumen and visible from an exterior of the first barrel.

Abstract: A syringe is provided having a hub with an orifice, first and second barrels having interior surfaces to form respective lumens, a slider, and an optional test indicator. The first and second barrels slideably receive respective first and second plungers for movement therein. The slider is operable to provide a fluidly communicative path between the orifice of the hub and the first and second barrel lumens. The optional test indicator is responsive to at least one characteristic of bodily fluid, the test indicator positioned to be exposed to any bodily fluid drawn into the first barrel lumen and visible from an exterior of the first barrel.

Abstract: A syringe is provided having a hub with an orifice, first and second barrels having interior surfaces to form respective lumens, a slider, and an optional test indicator. The first and second barrels slideably receive respective first and second plungers for movement therein. The slider is operable to provide a fluidly communicative path between the orifice of the hub and the first and second barrel lumens. The optional test indicator is responsive to at least one characteristic of bodily fluid, the test indicator positioned to be exposed to any bodily fluid drawn into the first barrel lumen and visible from an exterior of the first barrel.

Abstract: A paper roll cover includes a cover member, a left side wall having a plurality of apertures peripherally around a central large aperture, a right side wall having a plurality of apertures peripherally around a central large aperture, and where the left side wall is arranged and configured to reside on a left side of the cover member and the right side wall is arranged and configured to reside a right side of the cover member. In some embodiments, the plurality of apertures in the right side wall or the left side wall are configured to fit pegs to adjust the paper cover roll to brackets mounted on a wall and alternatively to a stand alone paper roll stand.

Abstract: A syringe is provided having a hub with an orifice, first and second barrels having interior surfaces to form respective lumens, a slider, and an optional test indicator. The first and second barrels slideably receive respective first and second plungers for movement therein. The slider is operable to provide a fluidly communicative path between the orifice of the hub and the first and second barrel lumens. The optional test indicator is responsive to at least one characteristic of bodily fluid, the test indicator positioned to be exposed to any bodily fluid drawn into the first barrel lumen and visible from an exterior of the first barrel.