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US 12,678,160 B2Granted
Surgical instrument comprising an adaptive control system
AssigneeCilag GmbH International
InventorsFrederick E. Shelton, IV, Gregory J. Bakos, Jason L. Harris
Life of this patent
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Abstract
A surgical instrument comprising a motor control system in communication with a closure motor and a drive motor is disclosed. The motor control system is configured to control the operation of the closure motor and the drive motor. The motor control system is configured to increase the clamping pressure applied by a first jaw during a second tissue cutting stroke as compared to the clamping pressure applied by the first jaw during a first tissue cutting stroke.
Claims20
A surgical instrument, comprising:
- a first jaw;
- a second jaw, wherein said first jaw is movable toward said second jaw from an unclamped position to a clamped position during a jaw closure stroke;
- a closure system, comprising:
- a closure motor;
- and
- a closure member drivable by said closure motor, wherein said closure member is movable through said jaw closure stroke by said closure motor to move said first jaw into said clamped position and apply clamping pressure to tissue captured between said first jaw and said second jaw;
- a tissue cutting system, comprising:
- a drive motor;
- and
- a cutting member drivable by said drive motor, wherein said cutting member is movable through a tissue cutting stroke by said drive motor to cut the tissue captured between said first jaw and said second jaw after said first jaw has been moved into said clamped position;
- a sensor circuit comprising a first electrode positioned on said first jaw and a second electrode positioned on said second jaw, wherein said first electrode and said second electrode are configured to contact each other when said first jaw is in said clamped position and an implantable adjunct is not positioned intermediate said first jaw and said second jaw, and wherein said first electrode and said second electrode are separated from each other when said first jaw is in said clamped position and an implantable adjunct is positioned intermediate said first jaw and said second jaw;
- and
- a motor control system in communication with said closure motor, said drive motor, and said sensor circuit, wherein said motor control system is configured to control the operation of said closure motor and said drive motor, and wherein said motor control system is configured to increase the clamping pressure applied by said first jaw during said tissue cutting stroke when said sensor circuit detects the presence of an implantable adjunct intermediate said first jaw and said second jaw.
10 more elements
A surgical instrument, comprising:
- a first jaw;
- a second jaw, wherein said first jaw is movable toward said second jaw from an unclamped position to a clamped position during a jaw closure stroke;
- a closure system, comprising:
- a closure motor;
- and
- a closure member drivable by said closure motor, wherein said closure member is movable through said jaw closure stroke by said closure motor to move said first jaw into said clamped position and apply clamping pressure to tissue captured between said first jaw and said second jaw;
- a tissue cutting system, comprising:
- a drive motor;
- and
- a cutting member drivable by said drive motor, wherein said cutting member is movable through a tissue cutting stroke by said drive motor to cut the tissue captured between said first jaw and said second jaw after said first jaw has been moved into said clamped position;
- a sensor circuit comprising a first electrode positioned on said first jaw and a second electrode positioned on said second jaw, wherein said first electrode and said second electrode are configured to contact each other when said first jaw is in said clamped position and an implantable adjunct is not positioned intermediate said first jaw and said second jaw, and wherein said first electrode and said second electrode are separated from each other when said first jaw is in said clamped position and an implantable adjunct is positioned intermediate said first jaw and said second jaw;
- and
- a motor control system in communication with said closure motor, said drive motor, and said sensor circuit, wherein said motor control system is configured to control the operation of said closure motor and said drive motor, and wherein said motor control system is configured to decrease a speed of said drive motor and said tissue cutting stroke when said sensor circuit detects the presence of an implantable adjunct intermediate said first jaw and said second jaw.
10 more elements
Dependencies are inferred from the claim text.