Surgical stapling head assembly with firing lockout for a surgical stapler

  • US 10,675,035 B2
  • Filed: 12/30/2015
  • Issued: 06/09/2020
  • Est. Priority Date: 09/09/2010
  • Status: Active Grant
First Claim
Patent Images

1. A surgical stapler, comprising:

  • a shaft portion comprising a receiving member;

    a stapling head assembly releasably coupled to the shaft portion, the stapling head assembly comprising;

    a casing configured to at least partially operably support one or more surgical staples therein, wherein the casing is further configured to movably support at least one staple driver;

    a first retention member configured to releasably couple the casing to the shaft portion, wherein the receiving member is configured to receive the first retention member, wherein the first retention member is configured to be in a first position when the first retention member is received by the receiving member, and wherein the first retention member is configured to be transitioned into a second position upon application of a pressure by the shaft portion prior to the first retention member being received by the receiving member; and

    a drive system for applying drive motions to the at least one staple driver, wherein the at least one staple driver is configured to transfer the applied drive motions to at least one of the one or more surgical staples, and wherein the first retention member prevents the at least one staple driver from transferring the applied drive motions when the first retention member is in the second position;

    an anvil movably supported relative to the casing for axial movement relative to the casing; and

    an anvil adjustment assembly for selectively adjusting an axial position of the anvil relative to the casing, wherein the anvil is releasably coupled to the anvil adjustment assembly.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×