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Methods and devices for providing access through tissue to a surgical site

  • US 8,460,186 B2
  • Filed: 12/11/2009
  • Issued: 06/11/2013
  • Est. Priority Date: 12/11/2009
  • Status: Active Grant
First Claim
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1. An adjustable access device, comprising:

  • a cannula comprising a plurality of segments removably coupled to one another such that a mating connection between each of the plurality of segments forms a fluid tight seal and such that a length of the cannula is adjustable, the cannula defining a working channel extending therethrough for receiving an instrument; and

    a collar slidably disposed on the cannula such that the collar can slide along an external surface of each of the plurality of segments when the segments are removably coupled to one another, the collar being configured to selectively engage one of the plurality of segments to allow adjustment of a distance between the collar and a distal end of the cannula.

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