Fistula repair plug having multiple layers

摘要

A surgical device is operable to coextrude a multilayered biocompatible tissue repair plug in situ within a lumen in a patient. The device comprises a handle, a shaft extending from the handle, a plurality of conduits extending through the shaft, a plurality of media chambers, and an actuator. At least one of the media chambers contains a suspension of at least one tissue fragment having at least one viable cell in a biocompatible carrier. The actuator is operable to cause media in each of the chambers to be urged through, and expelled from the orifice of, the conduit in communication therewith. The orifices are located at the distal end of the shaft such that media from the media chambers may be ejected into a lumen in a patient in order to form a multilayered biocompatible tissue repair plug in situ. The conduits and their orifices are all coaxially aligned.