surgical instrument including securing and aligning features

  • US 10,441,281 B2
  • Filed: 09/20/2016
  • Issued: 10/15/2019
  • Est. Priority Date: 08/23/2013
  • Status: Active Grant
First Claim
Patent Images

1. A powered surgical stapler, comprising:

  • an outer housing body;

    a shaft housing attachable to said outer housing body, wherein said shaft housing is rotatable relative to said outer housing body;

    an elongate shaft extending from said shaft housing, wherein said elongate shaft comprises a driver;

    an inner housing assembly configured to be removably attached to said outer housing body, wherein said inner housing assembly comprises;

    a motor configured to output rotary motions;

    a battery configured to supply power to said motor;

    control electronics in signal communication with said motor; and

    a shaft output configured to be driven by said motor;

    a plurality of securing features configured to align and hold said inner housing assembly in a position which allows said shaft output to be operably attached to said driver; and

    a loading unit configured to be removably attached to said elongate shaft, wherein said loading unit comprises an end effector configured to perform an end effector function in response to said rotary motions of said motor.

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