Additive materials are delivered to gastric tissue and are provided. In general, additive materials, which can be configured as, is transmitted to tissue by the way that surgical stapling device of the staple from box body is unfolded. Attaching material, which can have structure effectively, makes required reaction in gastric tissue. Attaching material may include that a effective amount of one or more drug is arranged in and is transported to stomach tissue from attaching material with releasable to promote to react. Attaching material can at least one film and foam can releasedly retaine box body. Method applies this additive materials using staple cartridge component or end effector and is also provided to gastric tissue.
