Medical devices

1. A device, comprising:

a tubular body including a composite material, the composite material having a

mesostructure comprising an organic portion, and an inorganic portion distinct from the organic portion, wherein the device is a medical device.

2. The device of claim 1 , wherein the composite material comprises a plurality of organic portions and a plurality of inorganic portions distinct from the organic portions, the inorganic portions being in an ordered array.

3. The device of claim 2 , wherein in the inorganic portions are lamellar.

4. The device of claim 2 , wherein the organic portions are lamellar.

5. The device of claim 1 , wherein the inorganic portion comprises a metallic element.

6. The device of claim 5 , wherein the element is selected from a group consisting of silicon and aluminum.

7. The device of claim 1 , wherein the inorganic portion comprises a three-dimensional network of metallic elements connected by bridging elements.

8. The device of claim 7 , wherein the bridging elements comprise oxygen.

9. The device of claim 1 , wherein the organic portion comprises a polymer.

10. The device of claim 1 , wherein the organic portion comprises a block copolymer.

11. The device of claim 1 , wherein the organic portions are about 5 to 100 nm long.

12. The device of claim 1 , wherein the body further comprises a therapeutic agent.

13. The device of claim 1 , wherein the composite comprises an adhesion enhancing material.

14. The device of claim 1 , in the form of a stent.

15. The device of claim 1 , wherein the body comprises a plurality of organic portions and a plurality of inorganic portions distinct from the organic portions, the inorganic portions being in an ordered array.

16. A device, comprising:

a tubular body having a mesostructure comprising an organic portion, and an inorganic portion distinct from the organic portion, wherein the device is a stent.