# US 2017/0281185 A1 · Surgical stapling system comprising a spent cartridge lockout

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- Number: US 2017/0281185 A1
- Document ID: US20170281185A1
- Status: Published application
- Kind: A1
- Application number: 15/089,210
- 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; Brian Dinardo; Scott A. Jenkins; Frederick E. Shelton, IV; Jason L. Harris
- Web page: https://patentgrep.com/patent/US20170281185A1

## 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 circular stapling instrument is disclosed which comprises a replaceable staple cartridge. The circular stapling instrument and/or staple cartridge comprises a lockout configured to prevent a previously-fired staple cartridge from being re-used.

## Claims

### Claim 1

A stapling assembly, comprising:
a shaft comprising a shaft frame;
a staple cartridge attachable to said shaft frame, wherein said staple cartridge comprises:
a circular cartridge body;
staple cavities arranged in a circular array in said circular cartridge body; and
staples removable stored in said staple cavities;
a staple driver configured to eject said staples from said staple cavities, wherein said staple driver comprises a lock;
an anvil configured to deform said staples; and
a rotatable firing shaft operably engaged with said staple driver, wherein said firing shaft is rotatable in a first direction and a second direction, wherein said firing shaft is configured to move said staple driver toward said anvil when said firing shaft is rotated in said first direction, wherein said firing shaft is configured to retract said staple driver away from said anvil when said firing shaft is rotated in said second direction, wherein said lock is configured to engage said shaft frame when said staple driver is retracted by said firing shaft, and wherein said lock is configured to prevent said firing shaft from rotating in said first direction once said lock is engaged with said shaft frame.

### Claim 2 (depends on 1)

The stapling assembly of claim 1, wherein said lock is configured to prevent said firing shaft from rotating in said second direction once said lock is engaged with said shaft frame.

### Claim 3 (depends on 1)

The stapling assembly of claim 1, wherein said staple driver is moved through a firing stroke by said firing shaft when said firing shaft is rotated in said first direction.

### Claim 4 (depends on 3)

The stapling assembly of claim 3, wherein said staple cartridge further comprises a distal end, wherein said staple driver moves toward said distal end between an unfired position and a fired position during said firing stroke, wherein said staple driver moves away from said distal end between said fired position and a retracted position when said staple driver is retracted by said firing shaft, and wherein said unfired position is closer to said distal end than said retracted position.

### Claim 5 (depends on 1)

The stapling assembly of claim 1, wherein said shaft frame comprises a shaft aperture, and wherein said lock comprises a pin and a spring configured to bias said pin into said aperture when said staple driver is in a retracted position.

### Claim 6 (depends on 5)

The stapling assembly of claim 5, wherein said staple driver further comprises a second lock, wherein said second lock is configured to engage said shaft frame when said staple driver is retracted by said firing shaft, and wherein said second lock is configured to prevent said firing shaft from rotating in said first direction once said second lock is engaged with said shaft frame.

### Claim 7 (depends on 6)

The stapling assembly of claim 6, wherein said shaft aperture comprises a first shaft aperture, wherein said pin comprises a first pin, wherein said shaft frame comprises a second shaft aperture, and wherein said second lock comprises a second pin and a second spring configured to bias said second pin into said second shaft aperture when said staple driver is in a retracted position.

### Claim 8 (depends on 7)

The stapling assembly of claim 7, wherein said first pin comprises a first configuration, wherein said second pin comprises a second configuration which is different than said first configuration, wherein said first pin cannot fit into said second shaft aperture, and wherein said second pin cannot fit into said first shaft aperture.

### Claim 9

A staple cartridge for use with a surgical stapling instrument having an anvil, said staple cartridge comprising:
a frame;
a circular cartridge body;
staple cavities arranged in a circular array in said circular cartridge body;
staples removable stored in said staple cavities;
a staple driver configured to eject said staples from said staple cavities, wherein said staple driver comprises a lock; and
a rotatable firing shaft operably engaged with said staple driver, wherein said firing shaft is rotatable in a first direction and a second direction, wherein said firing shaft is configured to move said staple driver toward the anvil when said firing shaft is rotated in said first direction, wherein said firing shaft is configured to retract said staple driver away from the anvil when said firing shaft is rotated in said second direction, wherein said lock is configured to engage said frame when said staple driver is retracted by said firing shaft, and wherein said lock is configured to prevent said firing shaft from rotating in said first direction once said lock is engaged with said frame.

### Claim 10 (depends on 9)

The staple cartridge of claim 9, wherein said lock is configured to prevent said firing shaft from rotating in said second direction once said lock is engaged with said frame.

### Claim 11 (depends on 9)

The staple cartridge of claim 9, wherein said staple driver is moved through a firing stroke by said firing shaft when said firing shaft is rotated in said first direction.

### Claim 12 (depends on 11)

The staple cartridge of claim 11, further comprising a distal end, wherein said staple driver moves toward said distal end between an unfired position and a fired position during said firing stroke, wherein said staple driver moves away from said distal end between said fired position and a retracted position when said staple driver is retracted by said firing shaft, and wherein said unfired position is closer to said distal end than said retracted position.

### Claim 13 (depends on 12)

The staple cartridge of claim 12, wherein said frame comprises a lock aperture, and wherein said lock comprises a pin and a spring configured to bias said pin into said lock aperture when said staple driver is in said retracted position.

### Claim 14 (depends on 13)

The staple cartridge of claim 13, wherein said staple driver further comprises a second lock, wherein said second lock is configured to engage said frame when said staple driver is retracted by said firing shaft, and wherein said second lock is configured to prevent said firing shaft from rotating in said first direction once said second lock is engaged with said frame.

### Claim 15 (depends on 14)

The staple cartridge of claim 14, wherein said lock aperture comprises a first lock aperture, wherein said pin comprises a first pin, wherein said frame comprises a second lock aperture, and wherein said second lock comprises a second pin and a second spring configured to bias said second pin into said second lock aperture when said staple driver is in said retracted position.

### Claim 16 (depends on 15)

The staple cartridge of claim 15, wherein said first pin comprises a first configuration, wherein said second pin comprises a second configuration which is different than said first configuration, wherein said first pin cannot fit into said second lock aperture, and wherein said second pin cannot fit into said first lock aperture.

### Claim 17

A staple cartridge for use with a surgical stapling instrument having an anvil, said staple cartridge comprising:
a frame;
a circular cartridge body;
staple cavities arranged in a circular array in said circular cartridge body;
staples removable stored in said staple cavities;
a staple driver configured to eject said staples from said staple cavities;
a firing member operably engaged with said staple driver, wherein said firing member is movable in a first direction and a second direction, wherein said firing member is configured to move said staple driver toward the anvil when said firing member is moved in said first direction, wherein said firing member is configured to retract said staple driver away from the anvil when said firing member is moved in said second direction; and
a firing member lockout, wherein said lockout is configured to couple said firing member and said frame when said staple driver is retracted by said firing member, and wherein said lockout is configured to prevent said firing member from moving in said first direction once said lockout has coupled said firing member and said frame.

### Claim 18 (depends on 17)

The staple cartridge of claim 17, wherein said lockout is configured to prevent said firing member from moving in said second direction once said lockout has coupled said firing member and said frame.

### Claim 19 (depends on 18)

The staple cartridge of claim 18, wherein said staple driver is moved through a firing stroke by said firing member when said firing member is moved in said first direction.

### Claim 20 (depends on 19)

The staple cartridge of claim 19, further comprising a distal end, wherein said staple driver moves toward said distal end between an unfired position and a fired position during fired position and a retracted position when said staple driver is retracted by said firing member, and wherein said unfired position is closer to said distal end than said retracted position.