Detachable motor powered surgical instrument

  • US 9,999,426 B2
  • Filed: 05/04/2016
  • Issued: 06/19/2018
  • Est. Priority Date: 02/14/2008
  • Status: Active Grant
First Claim
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1. A removable loading unit configured for operable attachment to a surgical instrument configured to selectively generate at least one control motion for the operation of said removable loading unit, said removable loading unit comprising:

  • a cartridge assembly, comprising;

    a plurality of staples;

    a plurality of drivers configured to deploy said staples into tissue; and

    at least one camming surface configured to motivate said drivers to deploy said staples into the tissue;

    a carrier operably supporting said cartridge assembly therein;

    an anvil supported relative to said carrier and being movable from an open position to closed positions upon application of said at least one control motion thereto;

    a housing coupled to said carrier, said housing including means for removably attaching said housing to the surgical instrument;

    an axial drive assembly at least partially supported within said housing and being supported for selective axial travel through said cartridge assembly from a start position to an end position upon application of a rotary motion thereto, wherein said axial drive assembly is configured to movably cooperate with said at least one camming surface to motivate said drivers to deploy said staples into the tissue; and

    a motor configured to selectively generate said rotary motion, said motor configured to receive power from a power source such that said motor can only selectively receive power from said power source when said means for removably attaching said housing to the surgical instrument is operably coupled to the surgical instrument.

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