# US 2017/0281183 A1 · Surgical stapling system comprising a jaw closure lockout > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0281183 A1 - Document ID: US20170281183A1 - Status: Published application - Kind: A1 - Application number: 15/089,196 - Filed: 2016-04-01 - Published: 2017-10-05 - Earliest claimed: 2016-04-01 - Assignees: Ethicon Endo-Surgery, Inc. - Applicants: Ethicon Endo-Surgery, LLC - Inventors: Christopher C. Miller; Frederick E. Shelton, IV; Jason L. Harris - Web page: https://patentgrep.com/patent/US20170281183A1 ## CPC - A61B 17/072: for applying a row of staples in a single action, e.g. the staples being applied simultaneously - A61B 17/00234: {for minimally invasive surgery (A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence)} - A61B 17/068: Surgical staplers {, e.g. containing multiple staples or clamps}({staplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105;} for performing anastomosis A61B17/115; {staplers in general B25C5/00}) - A61B 17/0686: {having a forming anvil staying below the tissue during stapling} - A61B 17/07207: {the staples being applied sequentially} - A61B 17/105: {Wound clamp magazines (for packaging sharps A61B50/3001)} - A61B 17/115: Staplers for performing anastomosis, e.g. in a single operation - A61B 17/1155: {Circular staplers comprising a plurality of staples} - A61B 17/32: Surgical cutting instruments ({A61B18/042 takes precedence; suture cutters A61B17/0467;} implements for ligaturing and cutting {A61B17/122, A61B17/12; instruments for rupturing the amniotic membrane A61B17/4208; specially adapted knives for eye surgery A61F9/0133}) - A61B 17/3211: Surgical scalpels, knives; Accessories therefor - A61B 17/0644: {penetrating the tissue, deformable to closed position} - A61B 17/07292: {Reinforcements for staple line, e.g. pledgets} - A61B 17/29: Forceps for use in minimally invasive surgery - A61B 17/320092: {with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw} - A61B 90/37: {Surgical systems with images on a monitor during operation} - A61B 2017/00017: {Electrical control of surgical instruments} - A61B 2017/00022: {Sensing or detecting at the treatment site} - A61B 2017/00115: {with audible or visual output} - A61B 2017/00128: {related to intensity or progress of surgical action} - A61B 2017/00199: {with a console, e.g. a control panel with a display} - A61B 2017/00305: {Constructional details of the flexible means} - A61B 2017/00367: {Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like} - A61B 2017/00398: {using powered actuators, e.g. stepper motors, solenoids} - A61B 2017/00407: {Ratchet means} - A61B 2017/00424: {ergonomic, e.g. fitting in fist} - A61B 2017/0046: {with a releasable handle; with handle and operating part separable} - A61B 2017/00464: {for use with different instruments} - A61B 2017/00473: {Distal part, e.g. tip or head (A61B2017/00464 takes precedence)} - A61B 2017/00477: {Coupling (A61B2017/0046 takes precedence)} - A61B 2017/00734: {battery operated} - A61B 2017/00818: {Treatment of the gastro-intestinal system} - A61B 2017/00946: {malleable} - A61B 2017/00964: {composite} - A61B 2017/07214: {Stapler heads} - A61B 2017/07221: {curved} - A61B 2017/07228: {Arrangement of the staples} - A61B 2017/07235: {containing different staples, e.g. staples of different shapes, sizes or materials} - A61B 2017/07242: {achieving different staple heights during the same shot, e.g. using an anvil anvil having different heights or staples of different sizes} - A61B 2017/07257: {characterised by its anvil} - A61B 2017/07264: {characterised by its staple forming cavities, e.g. geometry or material} - A61B 2017/07271: {characterised by its cartridge} - A61B 2017/07278: {characterised by its sled or its staple holder} - A61B 2017/07285: {characterised by its cutter} - A61B 2017/2903: {transferring rotary motion} - A61B 2017/2905: {flexible} - A61B 2017/291: {the position of the handle being adjustable with respect to the shaft} - A61B 2017/2912: {transmission of forces to actuating rod or piston} - A61B 2017/292: {connection of actuating rod to handle, e.g. ball end in recess} - A61B 2017/2922: {toggle linkages} - A61B 2017/2923: {Toothed members, e.g. rack and pinion} - A61B 2017/2927: {the angular position of the head being adjustable with respect to the shaft} - A61B 2017/2932: {Transmission of forces to jaw members} - A61B 2017/2946: {Locking means} - A61B 2090/034: {abutting on parts of the device itself} - A61B 2090/08021: {of the patient or his organs} - A61B 2090/0808: {for indicating correct assembly of components, e.g. of the surgical apparatus} - 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} - A61B 2090/0814: {Preventing re-use} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A surgical stapling instrument is disclosed. The stapling instrument comprises an end effector including a staple cartridge comprising a circular array of staple cavities and staples removably stored in the staple cavities and, in addition, an anvil configured to deform the staples which is movable toward the staple cartridge to clamp tissue therebetween. The anvil is movable away from the staple cartridge to release the tissue after the tissue has been stapled. The stapling instrument further comprises a lockout configured to prevent the anvil from being moved toward the staple cartridge once again until the staple cartridge has been replaced with an unfired staple cartridge. ## Claims ### Claim 1 A replaceable staple cartridge for use with a circular stapling instrument, wherein said replaceable staple cartridge comprises: a cartridge body, comprising: a tissue-supporting deck; and staple cavities defined in said deck; staples removably stored in said staple cavities; an anvil configured to deform said staples; a closure drive comprising a trocar shaft, wherein said anvil is attachable to said trocar shaft, wherein said trocar shaft is movable between an extended position and a retracted position to move said anvil between an open position and a closed position, wherein said trocar shaft extends above said deck when said trocar shaft is in said extended position, and wherein trocar shaft is retracted below said deck when said trocar shaft is in said retracted position; a firing drive movable toward said deck between an unfired position and a fired position to eject said staples from staple cavities once said trocar shaft is in said retracted position, wherein said closure drive is movable to said extended position to re-open said anvil after said staples have been deformed against said anvil; and means for preventing said trocar shaft from being returned to said retracted position after said firing drive has ejected said staples from said staple cavities. ### Claim 2 (depends on 1) The replaceable staple cartridge of claim 1, further comprising a connector configured to releasably attach said cartridge body to the circular stapling instrument. ### Claim 3 (depends on 2) The replaceable staple cartridge of claim 2, wherein said trocar shaft comprises a proximal end drive end operably engageable with a closure drive of the circular stapling instrument. ### Claim 4 (depends on 1) The replaceable staple cartridge of claim 1, further comprising a firing drive lock configured to prevent said firing drive from being moved into said fired position before said anvil is moved into said closed position. ### Claim 5 (depends on 1) The replaceable staple cartridge of claim 1, further comprising a closure lockout configured to prevent said closure drive from being moved into said retracted position prior to said anvil being attached to said trocar shaft. ### Claim 6 A circular stapling assembly, comprising: a frame comprising a distal end; a cartridge body including staple cavities; staples removably stored in said staple cavities; an anvil configured to deform said staples; a closure drive comprising a trocar shaft movable between a retracted position and an extended position: a distal connector, wherein said anvil is attachable to said distal connector; and a lock notch; a firing drive movable toward said distal end between an unfired position and a fired position to eject said staples from staple cavities; a trocar lock rotatably mounted to said frame, wherein said trocar lock is movable between an unlocked configuration and a locked configuration, and wherein said trocar lock is held in said unlocked configuration by said firing drive when said firing drive is in said unfired position; and a lock spring operably coupled with said trocar lock, wherein said lock spring is configured to bias said trocar lock into said locked configuration after said firing drive has been moved distally from said unfired position, and wherein said lock spring is configured to bias said trocar lock into said lock notch when said closure drive is returned to said extended position to re-open said anvil. ### Claim 7 (depends on 6) The circular stapling assembly of claim 6, further comprising a firing drive lock configured to prevent said firing drive from being moved into said fired position before said anvil is moved into a closed position. ### Claim 8 (depends on 6) The circular stapling assembly of claim 6, wherein said trocar shaft comprises a proximal end drive end operably engageable with a closure drive of a circular stapling instrument. ### Claim 9 (depends on 6) The circular stapling assembly of claim 6, further comprising a firing drive lock configured to prevent said firing drive from being moved into said fired position before said closure drive is moved into said retracted position. ### Claim 10 (depends on 6) The circular stapling assembly of claim 6, wherein said anvil is attachable to said trocar shaft, and wherein said circular stapling assembly further comprises a closure lockout configured to prevent said closure drive from being moved into said retracted position prior to said anvil being attached to said trocar shaft. ### Claim 11 A replaceable staple cartridge for use with a circular stapling instrument, said replaceable staple cartridge comprising: a frame comprising a distal end; a cartridge body including staple cavities; staples removably stored in said staple cavities; a closure drive comprising a trocar shaft movable between an extended position and a retracted position to move an anvil between an open position and a closed position; a firing drive movable toward said distal end between an unfired position and a fired position to eject said staples from staple cavities once said trocar shaft is in said retracted position, wherein said closure drive is movable to said extended position to re-open the anvil after said staples have been fully deformed against the anvil; and means for preventing said trocar shaft from being returned to said retracted position after said trocar shaft has been moved into said extended position to re-open the anvil. ### Claim 12 (depends on 11) The replaceable staple cartridge of claim 11, further comprising a connector configured to releasably attach said cartridge body to the circular stapling instrument. ### Claim 13 (depends on 12) The replaceable staple cartridge of claim 12, wherein said trocar shaft comprises a proximal end drive end operably engageable with a closure drive of the circular stapling instrument. ### Claim 14 (depends on 11) The replaceable staple cartridge of claim 11, further comprising a firing drive lock configured to prevent said firing drive from being moved into said fired position before said trocar shaft is moved into said retracted position. ### Claim 15 (depends on 11) The replaceable staple cartridge of claim 11, wherein the anvil is attachable to the trocar shaft, and wherein said replaceable staple cartridge further comprises a closure lockout configured to prevent said trocar shaft from being moved into said retracted position prior to the anvil being attached to said trocar shaft. ### Claim 16 A replaceable staple cartridge for use with a circular stapling instrument, said replaceable staple cartridge comprising: a frame comprising a distal end; a cartridge body including staple cavities; staples removably stored in said staple cavities; an anvil configured to deform said staples; a closure drive comprising a trocar shaft movable between an extended position and a retracted position to move said anvil between an open position and a closed position; a firing drive movable toward said distal end between an unfired position and a fired position to eject said staples from staple cavities once said trocar shaft is in said retracted position, wherein said closure drive is movable to said extended position to re-open said anvil after said staples have been fully deformed against said anvil; and a spent cartridge lockout configured to prevent said trocar shaft from being returned to said retracted position after said trocar shaft has been moved into said extended position to re-open said anvil. ### Claim 17 (depends on 16) The replaceable staple cartridge of claim 16, further comprising a connector configured to releasably attach said cartridge body to the circular stapling instrument. ### Claim 18 (depends on 17) The replaceable staple cartridge of claim 17, wherein said trocar shaft comprises a proximal end drive end operably engageable with a closure drive of the circular stapling instrument. ### Claim 19 (depends on 16) The replaceable staple cartridge of claim 16, further comprising a firing drive lock configured to prevent said firing drive from being moved into said fired position before said trocar shaft is moved into said retracted position. ### Claim 20 (depends on 16) The replaceable staple cartridge of claim 16, wherein said anvil is attachable to the trocar shaft, and wherein said replaceable staple cartridge further comprises a closure lockout configured to prevent said trocar shaft from being moved into said retracted position prior to said anvil being attached to said trocar shaft.