1. A method of realizing event detection, comprising:
receiving, by a network device configured as a policy and charging enforcement function (PCEF), policy and charging control (PCC) rules and an Event-Trigger parameter bound to a designated PCC rule sent by a policy control and charging rules function (PCRF) wherein the Event-Trigger parameter is further bound to identifiers (IDs) of IP flows in the designated PCC rule; wherein a manner of binding the Event-Trigger parameter to the designated PCC rule further comprises: carrying the Event-Trigger parameter and the designated PCC rule in a newly added parameter and indicating that the Event-Trigger parameter is bound to the designated PCC rule; and the Event-Trigger parameter is one or more Event-Trigger parameters, and the designated PCC rule carried in the newly added parameter is zero or more than one PCC rule; and
detecting, by the PCEF network device, a status of IP flows which are denoted by respective IDs of the corresponding IP flows in the designated PCC rule.
2. The method according to claim 1, wherein after detecting an occurrence of an event, the method further comprises:
reporting, by the PCEF network device, the Event-Trigger parameter of the detected event and the PCC rule associated with the detected event to the PCRF network device; and modifying the PCC rule or generating a new PCC rule, by the PCRF network device, according to the reported Event-Trigger parameter and sending the PCC rule to the PCEF network device.
3. The method according to claim 1, wherein the detected event is a trigger event received by the PCEF network device from an external network.
4. The method according to claim 1, wherein the newly added parameter further comprises: an IP flow ID parameter for indicating one or more IP flows under a PCC rule, and the Event-Trigger parameter carried in the newly added parameter is bound to an IP flow ID indicated by the IP flow ID parameter; and
the IP flow ID parameter comprises a name of a designated PCC rule and zero or more than one IP flows in the PCC rule.
5. A network device configured as a policy and charging enforcement function (PCEF), configured to receive a policy and charging control (PCC) rule bound to an Event-Trigger parameter, wherein the Event-Trigger parameter is further bound to identifiers (IDs) of IP flows in a designated PCC rule and further configured to detect a status of IP flows denoted by respective IDs of the corresponding IP flows in the designated PCC rule; wherein a manner of binding the Event-Trigger parameter to the designated PCC rule further comprises: carrying the Event-Trigger parameter and the designated PCC rule in a newly added parameter and indicating that the Event-Trigger parameter is bound to the designated PCC rule; and the Event-Trigger parameter is one or more Event-Trigger parameters, and the designated PCC rule carried in the newly added parameter is zero or more than one PCC rule and the PCEF network device configured to detect a status of IP flows denoted by respective IDs of the corresponding IP flows in the designated PCC rule.
6. A system of realizing event detection, at least comprising a network device configured as a Policy and Charging Enforcement Function (PCEF) and a network device configured as a Policy control and Charging Rules Function (PCRF) in another server in the network, wherein
the PCRF network device is configured to carry an Event-Trigger parameter bound to a designated Policy and Charging Control (PCC) rule when sending PCC rules to the PCEF network device, wherein the Event-Trigger parameter is further bound to identifiers (IDs) of IP flows in the designated PCC rule; wherein a manner of binding the Event-Trigger parameter to the designated PCC rule further comprises: carrying the Event-Trigger parameter and the designated PCC rule in a newly added parameter and indicating that the Event-Trigger parameter is bound to the designated PCC rule; and the Event-Trigger parameter is one or more Event-Trigger parameters, and the designated PCC rule carried in the newly added parameter is zero or more than one PCC rule; and
the PCEF network device is configured to detect a status of IP flows denoted by respective IDs of the corresponding IP flows in the designated PCC rule.
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 method of preparing a composition, comprising:
providing an ultra-high molecular weight polyethylene;
providing vitamin E first mixed with the ultra-high molecular weight polyethylene such that the mix has a vitamin E concentration in the range of 0.02 to 0.12 wt % and then molded with the ultra-high molecular weight polyethylene at a temperature greater than the melting point of the ultra-high molecular weight polyethylene and thereby forming a molded composition; and
gamma irradiating the molded composition in air with a dosage of radiation between 5 and 20 Mrad, wherein the dosage of radiation is proportional to the concentration of vitamin E in the mix.
2. The method of claim 1, wherein the concentration of vitamin E is in the range of 0.03 to 0.1 wt %.
3. The method of claim 1, wherein the vitamin E is tocopherol.
4. The method of claim 1, wherein the vitamin E is alpha-tocopherol.
5. The method of claim 1, wherein the gamma irradiation is a dosage within the range of 7 to 15 Mrad.
6. The method of claim 1, wherein the gamma irradiation is a dosage within the range of 9 to 11 Mrad.
7. The method of claim 1, wherein the composition is further gamma sterilized with a dosage within the range of 2.5 to 4 Mrad.
8. The method of claim 1, wherein the composition is further gamma sterilized with a dosage of 3 Mrad.
9. The method of claim 1, wherein the molded composition undergoes no further thermal treatment.
10. The method of claim 8, wherein the composition is gamma sterilized in an inert gas.
11. The method of claim 1, wherein the ultra-high molecular weight polyethylene is a powder, the powder having a multimodal molecular weight distribution including a portion of the powder having a low molecular weight.
12. A method of preparing a composition, comprising the steps of:
a. mixing a vitamin E having a concentration in the range of 0.02 to 0.12 wt % with an ultra-high molecular weight polyethylene;
b. molding the ultra-high molecular weight polyethylene and vitamin E mixture at a temperature greater than the melting temperature of the ultra-high molecular weight polyethylene;
c. gamma irradiating in air the molded ultra-high molecular weight polyethylene and vitamin E mixture at a dosage between 5 and 20 Mrad, wherein the irradiating dosage is determined relative to the concentration of vitamin E in the mixture.
13. The method of claim 12, wherein the concentration of vitamin E is in the range of 0.03 to 0.1 wt %.
14. The method of claim 12, wherein the vitamin E is tocopherol.
15. The method of claim 12, wherein the vitamin E is alpha-tocopherol.
16. The method of claim 12, wherein the irradiating step comprises gamma irradiating the molded ultra-high molecular weight polyethylene and vitamin E mixture at a dosage between 7 and 15 Mrad.
17. The method of claim 12, wherein the irradiating step comprises gamma irradiating the molded ultra-high molecular weight polyethylene and vitamin E mixture at a dosage between 9 and 11 Mrad.
18. A method of preparing a composition, comprising the steps of:
a. mixing a vitamin E having a concentration in the range of 0.02 to 0.12 wt % with an ultra-high molecular weight polyethylene;
b. molding the ultra-high molecular weight polyethylene and vitamin E mixture at a temperature greater than the melting temperature of the ultra-high molecular weight polyethylene;
c. gamma irradiating in air the molded ultra-high molecular weight polyethylene and vitamin E mixture at a dosage between 5 and 20 Mrad; and
d. varying the concentration of vitamin E proportionally to the dosage of gamma irradiation.
19. The method of claim 12, further comprising the step of gamma sterilizing the gamma irradiated and molded ultra-high molecular weight polyethylene and vitamin E mixture with a dosage between 2.5 and 4 Mrad.
20. The method of claim 12, further comprising the step of gamma sterilizing the gamma irradiated and molded ultra-high molecular weight polyethylene and vitamin E mixture with a dosage of 3 Mrad.
21. The method of claim 12, wherein the molded composition undergoes no further thermal treatment.
22. The method of claim 12, further comprising the step of annealing the composition at a temperature less than the melting temperature of the ultra-high molecular weight polyethylene.
23. The method of claim 1, wherein the molded composition comprises an insert having a first surface configured to contact a first prosthetic component and a bearing surface configured to articulate against a second prosthetic component.