Patent ID: 11857283
Assignee: CILAG GMBH INTERNATIONAL
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 7:
8. The surgical instrument of claim 1, wherein the shaft assembly further includes a central elongate member extending from the proximal shaft portion and toward the end effector, wherein the central elongate member is operatively connected to at least one of the distal shaft portion or the end effector and configured to be selectively moved, wherein the articulation section further includes a central lumen aligned with each of the proximal and distal axes that longitudinally intersects each of the first and second articulation axes, wherein the central lumen movably supports the central elongate member therethrough such that the central elongate member intersects each of the distal and proximal articulation axes for deflection of the end effector, wherein the first lumen spirals around the central lumen from the proximal articulation axis to the distal articulation axis to define a collective helical configuration.