Loading unit locking band for surgical stapling instrument

摘要

LOADING UNIT LOCKING BAND FOR SURGICAL STAPLING A loading unit (10) includes a shell assembly (20) and a locking band (40). The shell assembly (20) has a proximally extending annular body (23). The annular body (23) defines two hook openings (34) that oppose one another, a lug opening (32) positioned between the hook openings (34), and a central passage (21) for receiving a portion of a surgical instrument. The locking band (40) has an arced body (42) with two ends (44), a retention hook (54) positioned adjacent each end of the body (42) and extending from an inner surface of the body (42). Each of the retention hooks (54) is disposed within a respective one of the hook opening (34) to retain a respective one of the ends (44) of the locking band (40) to the annular body (23). A lug (52) is disposable through the lug opening (32) into the central passage to secure the loading unit (10) to a surgical instrument. r" / 42 34 - 158 53 23, 53a 21- 11 28 54 45 ---- 36 - 34 - - ' 5