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Endoscopy systems

  • US 8,529,440 B2
  • Filed: 07/04/2007
  • Issued: 09/10/2013
  • Est. Priority Date: 07/06/2006
  • Status: Active Grant
First Claim
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1. An endoscope insertion assembly for performing endoscopy, comprising:

  • an endoscope insertion tube operative for passage through a body cavity and comprising;

    a distal end having an engagement portion for disengageable coupling engagement with an optical assembly;

    a proximal end; and

    at least one lumen extending through said endoscope insertion tube between said distal end and said proximal end;

    said optical assembly being operative for inspection of said body cavity and being selectably insertable within said endoscope insertion tube; and

    a pulling element operative for insertion through said at least one lumen of said endoscope insertion tube from said distal end thereof to said proximal end thereof, and comprising;

    a base portion at a first end of said pulling element;

    a handle portion at a second end of said pulling element, said second end being opposite said first end; and

    an interconnecting element interconnecting said base portion and said handle portion,said base portion being adapted for disengageable coupling engagement with said optical assembly,said handle portion being disposed distally with respect to said endoscope insertion tube, whereby when said base portion at said first end of said pulling element is slidably inserted into said lumen of said endoscope insertion tube from said distal end of said endoscope insertion tube, pushing said handle of said pulling element towards said distal end of said endoscope insertion tube slides said base portion at said first end of said pulling element from said distal end of said endoscope insertion tube towards said proximal end of said endoscope insertion tube in order to produce said coupling engagement of said base portion with said optical assembly and pulling said handle of said pulling element in a direction opposite to a direction of said pushing, causes said base portion to slide back towards said distal end of said endoscope insertion tube, thereby to pull said optical assembly into said lumen of said endoscope insertion tube and into said coupling engagement with said engagement portion of said distal end of said endoscope insertion tube.

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