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Access sealing apparatus and method

  • US 8,870,904 B2
  • Filed: 03/12/2012
  • Issued: 10/28/2014
  • Est. Priority Date: 08/14/2001
  • Status: Active Grant
First Claim
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1. A surgical access device comprising:

  • a seal housing;

    a working channel extending longitudinally through the seal housing;

    an axle disposed in the seal housing, spaced from the working channel and floats within the seal housing; and

    a roller mounted on the axle and in the presence of an instrument in the working channel defines an instrument seal;

    wherein the roller is toroidal and being in direct contact with an instrument in the working channel and the roller, in the absence of an instrument in the working channel, defines a zero seal in the working channel;

    wherein the axle is toroidal.

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