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Method and apparatus for manipulating the side wall of a body lumen or body cavity so as to provide increased visualization of the same and/or increased access to the same, and/or for stabilizing instruments relative to the same

  • US 9,986,893 B2
  • Filed: 02/11/2015
  • Issued: 06/05/2018
  • Est. Priority Date: 12/15/2009
  • Status: Active Grant
First Claim
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1. Apparatus comprising:

  • a sleeve adapted to be slid over an exterior of an endoscope;

    a proximal balloon secured to said sleeve;

    an inflation/deflation tube carried by said sleeve and in fluid communication with an interior of said proximal balloon;

    a push tube slidably mounted to said sleeve, the push tube having a distal end and a proximal end; and

    a distal balloon secured to the distal end of said push tube, an interior of said distal balloon being in fluid communication with said push tube, wherein said distal balloon is capable of assuming a deflated condition and an inflated condition, and further wherein when said distal balloon is in its deflated condition, an axial opening extends therethrough, said axial opening being sized to receive the endoscope therein, and when said distal balloon is in its inflated condition, said axial opening is closed down.

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