Powered surgical instruments with firing system lockout arrangements

• US 10,675,028 B2
• Filed: 01/08/2018
• Issued: 06/09/2020
• Est. Priority Date: 01/31/2006
• Status: Active Grant

• Current Assignee: Cilag Gmbh International (Johnson & Johnson)
• Original Assignee: Ethicon, LLC (Johnson & Johnson)
• Inventors: Shelton, IV, Frederick E., Hall, Steven G.
• Primary Examiner(s): Smith, Scott A
• Application Number:
  US15/864,922
• Publication Number:
  US 20190008509A1
• Time in Patent Office: 883 Days
• Field of Search: 227 19, 2271751, 2271761, 2271752, 2271753, 2271801, 606139, 606153, 606219
• CPC Class Codes: A61B 17/068 Surgical staplers , e.g. containing multiple staples or clampsstaplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105; for performing anastomosis A61B17/115; staplers in general B25C5/00
• CPC Class Codes: A61B 17/072 for applying a row of staples in a single action , e.g. the staples being applied simultaneously
• CPC Class Codes: A61B 17/07207 the staples being applied sequentially
• CPC Class Codes: A61B 17/115 Staplers for performing anastomosis in a single operation
• CPC Class Codes: A61B 2017/00017 Electrical control of surgical instruments
• CPC Class Codes: A61B 2017/00199 with a console, e.g. a control panel with a display
• CPC Class Codes: A61B 2017/00221 with wireless transmission of data, e.g. by infrared radiation or radiowaves
• CPC Class Codes: A61B 2017/00371 Multiple actuation, e.g. pushing of two buttons, or two working tips becoming operational
• CPC Class Codes: A61B 2017/00398 using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2017/00402 Piezo electric actuators
• CPC Class Codes: A61B 2017/00685 Archimedes screw
• CPC Class Codes: A61B 2017/00734 battery operated
• CPC Class Codes: A61B 2017/07214 Stapler heads
• CPC Class Codes: A61B 2017/0725 with settable gap between anvil and cartridge, e.g. for different staple heights at different shots
• CPC Class Codes: A61B 2017/07278 characterised by its sled or its staple holder
• CPC Class Codes: A61B 2017/07285 characterised by its cutter
• CPC Class Codes: A61B 2017/2943 Toothed members, e.g. rack and pinion
• CPC Class Codes: A61B 2090/064 for measuring force, pressure or mechanical tension
• CPC Class Codes: A61B 2090/065 for measuring contact or contact pressure
• CPC Class Codes: A61B 2090/0803 Counting the number of times an instrument is used
• CPC Class Codes: A61B 2090/0811 : for the position of a particular part of an instrument with respect to the rest of the instrument, e.g. position of the anvil of a stapling instrument
• CPC Class Codes: A61B 34/30 : Surgical robots
• CPC Class Codes: A61B 34/71 : Manipulators operated by drive cable mechanisms
• CPC Class Codes: A61B 34/76 : Manipulators having means for providing feel, e.g. force or tactile feedback
• CPC Class Codes: A61B 90/30 : Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure

Abstract

Surgical instruments and/or fastener apparatuses comprising an end effector with a pair of jaws pivoted at a proximal end thereof and movable between an open and closed position. At least one of the jaws may comprise a channel for receiving a cartridge containing a plurality of surgical fasteners. Also, an electrically powered actuator may be for deploying the surgical fasteners and may comprise a power source and a motor. An activation mechanism may be attached to the handle to move the pair of jaws from the open to the closed position and to activate the actuator. A lockout mechanism may be configured to permit current to flow from the power source to the motor when the pair of jaws is in the closed position and to prevent current from flowing to the power source to the motor when the pair of jaws is in the open position.

Claims

1. A surgical instrument, comprising:

a handle;

an elongate shaft extending from said handle;

an end effector extending from said elongate shaft, wherein said end effector comprises;

a first jaw; and

a second jaw movable relative to said first jaw between an open position and a closed position;

a firing member configured to perform a firing stroke;

an electrically powered actuator comprising a power source and a motor, wherein upon activation of said electrically powered actuator said firing member is driven through said firing stroke;

an actuator system configured to perform a first actuation, wherein performing said first actuation results in the movement of said second jaw to said closed position, wherein said actuator system is further configured to perform a second actuation, and wherein performing said second actuation results in activation of said electrically powered actuator; and

an actuation lockout comprising an electronic switch positioned in said handle, wherein said actuation lockout is configured to prevent current from flowing from said power source to said motor when said second jaw is in said open position, and wherein said actuation lockout is further configured to permit current to flow from said power source to said motor to activate said electrically powered actuator after said first actuation has been performed.

2. The surgical instrument of claim 1, wherein said end effector further comprises a cartridge comprising a plurality of fasteners.

3. The surgical instrument of claim 1, wherein said end effector further comprises a cartridge comprising a plurality of staples.

4. A surgical instrument, comprising:

a handle;

an elongate shaft extending from said handle;

an end effector extending from said elongate shaft, wherein said end effector comprises;

a first jaw; and

a second jaw movable relative to said first jaw between an open position and a closed position;

a firing member configured to perform a firing stroke;

an electrically powered actuator comprising a power source and a motor, wherein upon activation of said electrically powered actuator said firing member is driven through said firing stroke;

an actuator system configured to perform a first actuation, wherein performing said first actuation results in the movement of said second jaw to said closed position, wherein said actuator system is further configured to perform a second actuation, and wherein performing said second actuation results in actuation of said electrically powered actuator; and

an electronic switch supported by said handle, wherein said electronic switch is movable between a closing configuration and a firing configuration when a force is applied thereto, wherein said electronic switch is configured to prevent current from flowing from said power source to said motor when said electronic switch is in said closing configuration and said second jaw is in said open position, and wherein said electronic switch is further configured to permit current to flow from said power source to said motor to activate said electrically powered actuator when said electronic switch is in said firing configuration and said second jaw is in said closed position.

5. The surgical instrument of claim 4, wherein said end effector further comprises a cartridge comprising a plurality of fasteners.

6. The surgical instrument of claim 4, wherein said end effector further comprises a cartridge comprising a plurality of staples.

7. A surgical instrument, comprising:

a handle configured to be held by a clinician;

an elongate shaft extending from said handle;

an end effector extending from said elongate shaft, wherein said end effector comprises;

a first jaw; and

a second jaw movable relative to said first jaw between an open position and a closed position;

a firing member configured to perform a firing stroke;

an electrically powered actuator comprising a power source and a motor, wherein upon activation of said electrically powered actuator said firing member is driven through said firing stroke;

an actuator system configured to perform a first actuation, wherein performing said first actuation results in the movement of said second jaw to said closed position, wherein said actuator system is further configured to perform a second actuation, and wherein performing said second actuation activates said electrically powered actuator; and

a safety system on said handle, wherein said safety system comprises a safety switch having a safe state and a firing state which is manipulated by the clinician, wherein said safety system is configured to prevent current from flowing from said power source to said motor when said safety switch is in said safe state, and wherein said safety system is further configured to permit current to flow from said power source to said motor when said safety switch is in said firing state.

8. The surgical instrument of claim 7, wherein said end effector further comprises a cartridge comprising a plurality of fasteners.

9. The surgical instrument of claim 7, wherein said end effector further comprises a cartridge comprising a plurality of staples.