Granted Patent B2

US 10,806,479 · App. 15/692,954 · Granted Oct 20, 2020

Inventors: Frederick E. Shelton, IV (Hillsboro, OH); Stephen J. Balek (Springboro, OH); Eugene L. Timperman (Cincinnati, OH)

Assignee: Ethicon LLC

A61B17/32A61B17/068A61B17/07207A61B17/105A61B17/320016A61B34/76A61B2017/00398A61B2017/00734

Abstract

Claims (60)

1. A stapling assembly, comprising:

a first jaw comprising a first ledge;

a second jaw comprising a second ledge, wherein said second jaw is movable between an open position and a closed position relative to said first jaw;

a closure member movable between a first position and a second position, wherein said second jaw is in said open position when said closure member is in said first position, and wherein said second jaw is in said closed position when said closure member is in said second position;

a cartridge body;

staples removably stored in said cartridge body;

a motor-driven rotatable drive screw; and

a firing member operably coupled to said rotatable drive screw, wherein said firing member is movable through a staple firing stroke to eject said staples from said cartridge body, and wherein said firing member comprises:

a first extending member which rides along said first ledge during said staple firing stroke; and

a second extending member which rides along said second ledge during said staple firing stroke.

2. A stapling assembly, comprising:

a first jaw comprising a first ledge;

a second jaw comprising a second ledge, wherein said second jaw is movable between an open position and a closed position relative to said first jaw;

a closure member movable between a first position and a second position, wherein said second jaw is in said open position when said closure member is in said first position, and wherein said second jaw is in said closed position when said closure member is in said second position;

a cartridge body;

staples removably stored in said cartridge body;

a motor-driven rotatable drive screw; and

a firing member operably coupled to said rotatable drive screw, wherein said firing member is movable through a staple firing stroke to eject said staples from said cartridge body, and wherein said firing member comprises:

a first extending member which rides along said first ledge during said staple firing stroke; and

a second extending member which rides along said second ledge during said staple firing stroke, wherein said first jaw comprises a distal end, wherein said first position of said closure member is closer to said distal end than said second position of said closure member, and wherein said closure member is retracted proximally to close said second jaw.

3. The stapling assembly of claim 2 , wherein said firing member is advanced distally with a wedge sled during said staple firing stroke.

4. A surgical stapling system, comprising:

a first jaw comprising a first longitudinal shoulder;

a second jaw comprising a second longitudinal shoulder, wherein said second jaw is movable between an open position and a closed position relative to said first jaw;

a closure member movable between a first position and a second position, wherein said second jaw is in said open position when said closure member is in said first position, and wherein said second jaw is in said closed position when said closure member is in said second position;

a motor-driven rotatable drive shaft; and

a firing member threadably coupled to said rotatable drive shaft, wherein said firing member comprises:

a first portion slideable along said first longitudinal shoulder; and

a second portion slideable along said second longitudinal shoulder.

5. A surgical stapling system, comprising:

a first jaw comprising a first longitudinal shoulder;

a second jaw comprising a second longitudinal shoulder, wherein said second jaw is movable between an open position and a closed position relative to said first jaw;

a closure member movable between a first position and a second position, wherein said second jaw is in said open position when said closure member is in said first position, and wherein said second jaw is in said closed position when said closure member is in said second position;

a motor-driven rotatable drive shaft; and

a firing member threadably coupled to said rotatable drive shaft, wherein said firing member comprises:

a first portion slideable along said first longitudinal shoulder; and

a second portion slideable along said second longitudinal shoulder, wherein said first jaw comprises a distal end, wherein said first position of said closure member is closer to said distal end than said second position of said closure member, and wherein said closure member is retracted proximally to close said second jaw.

6. The surgical stapling system of claim 5 , wherein said firing member is advanced distally with a wedge sled during a staple firing stroke.

7. The surgical stapling system of claim 5 , further comprising a staple cartridge.

8. A stapling assembly, comprising:

an elongate channel comprising a first ledge;

a staple cartridge positionable in said elongate channel, wherein said staple cartridge comprises staples removably stored therein;

an anvil comprising a second ledge, wherein said anvil is movable between an open position and a closed position relative to said elongate channel;

a closure member movable between a first position and a second position, wherein said anvil is in said open position when said closure member is in said first position, and wherein said anvil is in said closed position when said closure member is in said second position;

a rotatable drive shaft;

a firing member operably coupled to said rotatable drive shaft, wherein said firing member is movable through a staple firing stroke to eject said staples from said staple cartridge, and wherein said firing member comprises:

an upper member which rides in contact with said first ledge during said staple firing stroke; and

a lower member which rides in contact with said second ledge during said staple firing stroke; and

an electric motor configured to drive said rotatable drive shaft, wherein said electric motor is operable to rotate said rotatable drive shaft and advance said firing member through said staple firing stroke.

9. A stapling assembly, comprising:

an elongate channel comprising a first ledge;

a staple cartridge positionable in said elongate channel, wherein said staple cartridge comprises staples removably stored therein;

an anvil comprising a second ledge, wherein said anvil is movable between an open position and a closed position relative to said elongate channel;

a closure member movable between a first position and a second position, wherein said anvil is in said open position when said closure member is in said first position, and wherein said anvil is in said closed position when said closure member is in said second position;

a rotatable drive shaft;

a firing member operably coupled to said rotatable drive shaft, wherein said firing member is movable through a staple firing stroke to eject said staples from said staple cartridge, and wherein said firing member comprises:

an upper member which rides in contact with said first ledge during said staple firing stroke; and

a lower member which rides in contact with said second ledge during said staple firing stroke; and

an electric motor configured to drive said rotatable drive shaft, wherein said electric motor is operable to rotate said rotatable drive shaft and advance said firing member through said staple firing stroke, wherein said elongate channel comprises a distal end, wherein said first position of said closure member is closer to said distal end than said second position of said closure member, and wherein said closure member is retracted proximally to close said anvil.

10. The stapling assembly of claim 9 , wherein said firing member is advanced distally with a wedge sled during said staple firing stroke.

Assignments (2)

Continuity (5)

Cited By (58)

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