The present disclosure relates to the field of medical devices with anti-migration capabilities, such as anti-migration surfaces. Specifically, the present disclosure relates to methods for covalently bonding tissue-adhesive functional groups to the outer surface of a medical device to provide a medical device with an anti-migration surface.

The present invention relates to a new application of a porous material. The porous material is composed of pore cavities and cavity walls surrounding the pore cavities, wherein the pore cavities of the porous material are three-dimensionally interconnected; the capillary force of the porous material is 5 Pa or more; and a contact angle between a surface of the cavity wall of the porous material and a liquid phase material circulating therein is less than 90. The porous material is applied as a microcirculation power source. The porous material is used in a circulation system as a microcirculation power source for providing material exchange. The porous material is used in a separation system as a microcirculation power source for providing material separation and movement. The porous material is used in a medical implant system as a microcirculation power source for providing tissue cell growth.

A spinal implant is provided that comprises a first vertebral engaging surface and a second vertebral engaging surface. A wall extends between the surfaces. A lattice is disposed adjacent the wall and extending between the surfaces. Systems and methods of use are disclosed.

A bone graft scaffold including the combination of a lattice structure having a triply periodic minimal surface (TPMS) shape and a cryogel solution disposed within the lattice structure. Also described is a method of making an integrated bone graft scaffold by freezing a cryogel solution, pouring the cryogel solution onto a scaffold, and freezing the cryogel solution poured onto the lattice structure to form an integrated bone graft scaffold. The cryogel solution may be a chitosan-gelatin cryogel and the lattice structure may be a 3D printed gyroid lattice structure.