Stapling assembly comprising a shiftable drive
A surgical instrument can comprise a handle, a motor, and a shaft extending from the handle. The handle and/or the shaft can define a longitudinal axis. The surgical instrument can further comprise a fastener cartridge comprising a plurality of fasteners removably stored therein, an anvil configured to deform the fasteners, a closure drive configured to move the anvil toward and away from the fastener cartridge which is rotatable about the longitudinal axis, and a firing drive configured to deploy the fasteners from the fastener cartridge which is rotatable about the longitudinal axis. The surgical instrument can further comprise a transmission comprising a first operating configuration which connects the motor to the closure drive and a second operating configuration which connects the motor to the firing drive.
1. A surgical stapling system, comprising:
a housing;
a shaft extending distally from the housing, wherein the shaft defines a longitudinal axis;
an articulation joint;
an end effector rotatable relative to the shaft about the articulation joint, wherein the end effector is movable between an open configuration and a closed configuration, the end effector comprising:
a cartridge jaw comprising a replaceable staple cartridge, wherein the staple cartridge comprises staples removably stored therein;
an anvil jaw;
a closure member movable longitudinally through a closure stroke to move the end effector from the open configuration to the closed configuration; and
a firing member movable longitudinally to fire the staples from the staple cartridge during a firing stroke; and
a drive system, comprising:
a motor-driven rotatable input that is driven by a first motor;
a motor-driven transmission that is driven by a second motor, wherein the motor-driven transmission is shiftable between a first state and a second state;
a first motor-driven rotatable output that extends through the articulation joint, wherein the closure member is engaged with the first motor-driven rotatable output and is movable through the closure stroke when the motor-driven transmission is in the first state and the motor-driven rotatable input is driven by the first motor; and
a second motor-driven rotatable output that extends through the articulation joint, wherein the firing member is engaged with the second motor-driven rotatable output and is movable through the firing stroke when the motor-driven transmission is in the second state and the motor-driven rotatable input is driven by the first motor.
2. The surgical stapling system of claim 1 , wherein the firing member comprises a cutting member.
3. The surgical stapling system of claim 1 , wherein the firing member comprises a unitary one-piece firing member including a sled and a cutting member.
4. A surgical stapling system, comprising:
a housing;
a shaft extending distally from the housing, wherein the shaft defines a longitudinal axis;
an articulation joint;
an end effector rotatable relative to the shaft about the articulation joint, wherein the end effector is configured to transition between an open configuration and a closed configuration, the end effector comprising:
a cartridge jaw comprising a replaceable staple cartridge, wherein the staple cartridge comprises staples removably stored therein;
an anvil jaw;
a closure member movable through a closure stroke to move the end effector from the open configuration to the closed configuration; and
a firing member movable to fire the staples from the staple cartridge during a firing stroke; and
a drive system, comprising:
a motor-driven rotatable input that is driven by an electric motor;
a transmission that is driven by an electrically-actuated shifter, wherein the transmission is shiftable between a first state and a second state;
a first motor-driven rotatable output, wherein the closure member is operably engaged with the first motor-driven rotatable output and is movable through the closure stroke when the transmission is in the first state and the motor-driven rotatable input is driven by the electric motor; and
a second motor-driven rotatable output, wherein the firing member is operably engaged with the second motor-driven rotatable output and is movable through the firing stroke when the transmission is in the second state and the motor-driven rotatable input is driven by the electric motor.
5. The surgical stapling system of claim 4 , wherein the firing member comprises a unitary one-piece firing member including a sled and a cutting member.
6. The surgical stapling system of claim 4 , wherein the second motor-driven rotatable output is at least partially positioned within the end effector.
7. The surgical stapling system of claim 4 , wherein the firing member is threadably engaged with the second motor-driven rotatable output such that rotation of the second motor-driven rotatable output translates the firing member.
8. A surgical stapling system, comprising:
a housing;
a shaft extending distally from the housing;
an articulation joint;
an end effector rotatable relative to the shaft about the articulation joint, wherein the end effector is movable between an open configuration and a closed configuration, the end effector comprising:
a cartridge jaw comprising a replaceable staple cartridge, wherein the staple cartridge comprises staples removably stored therein;
an anvil jaw;
a closure member movable through a closure stroke to move the end effector from the open configuration to the closed configuration; and
a firing member movable to fire the staples from the staple cartridge during a firing stroke; and
a drive system, comprising:
a motor-driven rotatable input;
a transmission configured to be transitioned between a first state and a second state by an electrically-actuated shifter;
a first motor-driven rotatable output, wherein the closure member is operably engaged with the first motor-driven rotatable output and is movable through the closure stroke when the transmission is in the first state and the motor-driven rotatable input is rotated; and
a second motor-driven rotatable output, wherein the firing member is operably engaged with the second motor-driven rotatable output and is movable through the firing stroke when the transmission is in the second state and the motor-driven rotatable input is rotated.
9. The surgical stapling system of claim 8 , wherein the firing member comprises a unitary one-piece firing member including a sled and a cutting member.
10. The surgical stapling system of claim 8 , wherein the second motor-driven rotatable output is at least partially positioned within the end effector.
11. The surgical stapling system of claim 8 , wherein the firing member is threadably engaged with the second motor-driven rotatable output such that rotation of the second motor-driven rotatable output translates the firing member.