It provides various exemplary surgical auxiliary material having a drug affected the activator. Overall, the auxiliary material, at least one agent is configured to be activated by the activation substance. Auxiliary material can be delivered to tissue of a patient may be implanted auxiliary material. Various activator, at least one agent held by the auxiliary member can be configured to activate the activation causes any one or more of a variety of effects. For example, to provide at least one of the signals and / or effect to the auxiliary member, it is possible to activate the at least one agent.