1-16. (canceled)
17. A method comprising:
transferring a first portion of data between one or more data sources and a mobile device through a first access network;
receiving, by a control module in the mobile device and from a server, a configuration update comprising a policy that indicates to the mobile device one or more data transfer adaptation rules including one or more data characteristics and one or more traffic-shaping measures to be applied to a second portion of the data having the one or more data characteristics;
responsive to receipt of the policy, initiating a connection through a second access network; and
transferring the second portion of the data having the one or more data characteristics defined in the policy through the second access network.
18. A method according to claim 17, wherein the data characteristics define one or more of:
i) a particular type of data;
ii) a period of time for which the transfer of data is occur through the second access network;
iii) a location at which the transfer of data is to occur through the second access network;
iv) data associated with a particular application that requests or generates data.
19. A method according to claim 17, wherein the policy defines data characteristics of data traffic to be limited over the first access network.
20. A method according to claim 17, wherein the policy is an XML file comprising policy condition definitions and policy action definitions.
21. The method of claim 17, wherein the first access network and the second access network are access points.
22. The method of claim 17, wherein:
the first access network comprises one of a cellular network, a WiFi network, or a WiMax network; and
the second access network comprises one of a second cellular network, a second WiFi network, or a second WiMax network.
23. A mobile device, comprising:
a control module arranged to receive a configuration update comprising policy that indicates to the mobile device one or more data transfer adaptation rules including one or more data characteristics and one or more traffic-shaping measures to be applied to data having the one or more data characteristics; wherein
the mobile device is arranged to:
transfer a first portion of data between one or more data sources and the mobile device through a first access network;
responsive to receipt of the policy, initiating a connection through a second access network; and
transferring a second portion of the data having the one or more data characteristics defined in the policy through the second access network.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A medical device comprising a polymeric region that comprises a copolymer, said copolymer comprising a high Tg vinyl aromatic monomer and a low Tg monomer, and said polymeric region comprising a surface sub-region that is crosslinked and a bulk sub-region that is substantially non-crosslinked.
2. The medical device of claim 1, wherein the low Tg monomer is an alkene monomer.
3. The medical device of claim 1, wherein the copolymer is a block copolymer that comprises a high Tg block that comprises the vinyl aromatic monomer and a low Tg polymer block that comprises the low Tg monomer.
4. The medical device of claim 3, wherein the low Tg monomer is an alkene monomer.
5. The medical device of claim 3, wherein the vinyl aromatic monomer is styrene and the low Tg monomer is isobutylene.
6. The medical device of claim 3, wherein the copolymer is a poly(styrene-b-isobutylene-b-styrene) triblock copolymer.
7. The medical device of claim 1, wherein the surface sub-region extends to a depth of 1 \u03bcm or less.
8. The medical device of claim 1, wherein the polymeric region is a polymeric coating that is disposed on an underlying substrate.
9. The medical device of claim 1, wherein medical device is a stent.
10. The medical device of claim 1, wherein the medical device further comprises a therapeutic agent.
11. The medical device of claim 10, wherein the therapeutic agent is an antiproliferative agent.
12. The medical device of claim 10, wherein the therapeutic agent is paclitaxel.
13. The medical device of claim 1, wherein the polymeric region is a polymeric coating that is disposed on an underlying stent substrate and comprises a poly(styrene-b-isobutylene-b-styrene) triblock copolymer and an antiproliferative agent.
14. A method comprising exposing a polymeric region of a medical device to energetic species such that a surface sub-region within the polymeric region becomes crosslinked and a bulk sub-region beneath the surface sub-region, relative to a source of said energetic species, is not substantially crosslinked, said polymeric region comprising a copolymer that comprises a high Tg vinyl aromatic monomer and a low Tg monomer.
15. The method of claim 14, wherein said method reduces surface tack of said medical device.
16. The method of claim 14, wherein the energetic species comprise photons.
17. The method of claim 16, wherein the photons have a wavelength ranging from 200 nm to 320 nm.
18. The method of claim 17, wherein a hydrogen abstracting photoinitiator is applied to the surface of said polymeric region before exposing the polymeric region to the photons.
19. The method of claim 18, wherein the hydrogen abstracting photoinitiator is an aromatic ketone selected from benzophenone, isopropyl thioxanthone, anthraquinone, acetophenone, benzil, xanthone, and combinations thereof.
20. The method of claim 14, wherein the wherein the energetic species are inert ions.
21. The method of claim 20, wherein the inert ions are selected from nitrogen ions, helium ions, argon ions, and combinations thereof.
22. The method of claim 20, wherein the polymeric region is bombarded in an ion implantation process.
23. The method of claim 14, wherein the energetic species comprise photons and ions.
24. The method of claim 23, wherein the polymeric region is exposed to a plasma that comprises inert ions that are formed using an inert working gas.
25. The method of claim 24, wherein the working gas is selected from nitrogen, helium, argon and combinations thereof.
26. The method of claim 24, wherein the ions are accelerated into surface of the polymeric region.