US Patent 10022198 Shipping member for loading unit

A shipping member for selective attachment to a replaceable loading unit is provided. The shipping member includes an annular extension configured for selective engagement with a loading unit and configured to prevent movement of a knife assembly of the loading unit. The shipping member further includes first and second legs configured to prevent movement of a staple pusher assembly. The shipping member also includes a staple retaining surface configured to retain staples within a staple cartridge of the loading unit.