Delivery systems, devices, tools, and methods of use

摘要: A covering for delivering a substance or material to surgical site is provided. The covering, with provided therein, may be referred as delivery system. Generally, the single multi-compartment structure capable of at least partially retaining therein until placed site. Upon placement, facilitate transfer surrounding materials. For example, released (actively passively) participate in, control, otherwise adjust release substance. In various embodiments, suitable variety procedure specific uses. Implantation tools placing Kits including variously sized shaped coverings and one more use in covering.