Staple buttress retention system

摘要

STAPLE BUTTRESS RETENTION SYSTEM An annular surgical stapling instrument (150) having a system for retaining buttress material is provided. The instrument (150) comprises a handle (152); an elongate member (154) extending distally from the handle (152); an annular staple containing cartridge (156) mounted adjacent a distal end of the elongate member (154); an annular anvil (160) releasably connectable to the annular staple containing cartridge (156); at least one buttress material; and at least one buttress retainer (180) defining an open center portion and being removably attached to at least one of the staple containing cartridge (156) and the anvil (160).