Patents. An implantable endoluminal device that is fabricated from materials that present a blood or body fluid and tissue contact surface that has controlled heterogeneities in material constitution. An endoluminal stent-graft and web-stent that is made of an monolithic material deposited into a monolayer and...he endoluminal stent-graft is characterized by having controlled heterogeneities in the stent material along the blood flow surface of the stent and the method of fabricating the stent using vacuum deposition methods.
Formaldehyde is naturally produced in very small amounts in our bodies as a part of our normal, everyday metabolism and causes us no harm. It can also be found in the air that we breathe at home and at work, in the food we eat, and in some products that we put on our skin.
Formaldehyde is found in many products such as particle board, plywood, paneling, pressed-wood products and urea formaldehyde foam insulation. Some synthetic fabrics, especially permanent press, shampoos and cosmetics may also contain small amounts.Formaldehyde is also a product of combustion. When you burn materials such as natural gas, wood, gasoline or tobacco, formaldehyde gas is released.o, formaldehyde is still used in many consumer products. Since 1985, Minnesota has regulated the sale of wood products made with urea formaldehyde. Some common building materials have specific product standards that limit the amount of formaldehyde that can be released.