Multi-use loading unit

摘要

A cartridge assembly is disclosed. The cartridge assembly includes a channel and a removable assembly in releasable engagement with the channel. The removable assembly includes a cartridge body and a support plate. The cartridge body includes an engagement structure disposed adjacent a proximal end thereof. The support plate is configured to mechanically engage the cartridge body and includes an engagement structure disposed adjacent a proximal end thereof. The engagement structure of the cartridge body is configured for longitudinal alignment with the engagement structure of the support plate. The engagement structures of the cartridge body and the engagement structure of the support plate are configured to mechanically engage the engagement structure of the channel when the removable assembly is engaged with the channel.

主权项

1. A surgical instrument having a channel and comprising:
a cartridge assembly; a drive member configured to travel in a longitudinal direction; and a lockout mechanism configured to prevent longitudinal translation of the drive member, the lockout mechanism comprising:
a latch disposed in mechanical cooperation with a portion of the channel and laterally movable towards a sidewall of the channel from an initial position to a blocking position; anda spring configured to bias the latch towards the blocking position, a shaped surface of the latch obstructing distal movement of the drive member when the latch is in the blocking position, wherein proximal translation of the drive member causes the drive member to contact a portion of the latch and causes the latch to move away from its blocking position.