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Surgical trocars and image acquisition method using the same

  • US 10,448,812 B2
  • Filed: 01/13/2014
  • Issued: 10/22/2019
  • Est. Priority Date: 05/02/2013
  • Status: Active Grant
First Claim
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1. A surgical trocar, comprising:

  • a body having a passage configured to receive at least one surgical instrument, the body being a cylinder that includes an outer wall having a groove therein along a circumference of the outer wall;

    at least one camera movably coupled to the outer wall of the body such that the at least one camera is configured to selectively extend outwardly from the groove based on rotation of a first joint within the groove, the first joint having a rotational axis parallel to a longitudinal axis of the body; and

    a first link having an arched shape corresponding to the circumference of the outer wall, the first link having a first end and a second end, a length of the first link between the first end and the second end being equal to a length of the groove, and the first end connected to the at least one camera and the second end connected to the first joint within the groove such that the first link is configured to extend from a closed state to an open state by rotating the first joint about the rotational axis parallel to the longitudinal axis of the body.

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