Alternatively, IVC filters can be placed at the bedside either using fluoroscopy or transabdominal or intravascular ultrasound. Knowledge of the normal and variant anatomy of the vena cava is important for successful placement of vena cava filters and prevention of complications.
Welder's Glass. Welder's Shade Glass. A heat resistant grey-green tinted glass made to provide the correct eye protection for every welding operation. The shade numbers 1-14 refer to the density needed for the different welding operations. The higher the number, the darker the shade. Stock sheet size is 0.108 thick in Density 3 through Density 14.
Pick up a pair today if you have any need for eye protection from sun-related events or viewing. It must be noted, however, that the shade 14 lenses are for specialty use only and should be removed when you are done directly viewing the Sun, a solar eclipse, or a welding arc. These lenses are far too dark to allow proper vision under regular light conditions and cannot be used as standard sunglasses.