Patent ID: 11877833
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 13:
14. A system for occluding blood flow in tissue, the system comprising:
an adapter assembly including a drive interface;
a drive screw extending from the adapter assembly and coupled to the drive interface; and
an assembly including:
an outer shaft;
an anvil supported on a distal portion of the outer shaft;
a drive member movable within the outer shaft and defining a bore configured to receive the drive screw;
a piston movable within the outer shaft and including an arm having a distal portion supporting a head, the piston movable within the outer shaft to move the head in relation to the anvil between an open configuration and a closed configuration, wherein in the closed configuration, the head of the piston and the anvil are positioned to clamp and occlude blood flow in tissue; and
a spring coupled to the drive member and to the piston to urge the piston towards the drive member and to urge the head of the piston towards the anvil.