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Repeatably flexible surgical instrument

  • US 20100087711A1
  • Filed: 09/24/2009
  • Published: 04/08/2010
  • Est. Priority Date: 10/06/2008
  • Status: Abandoned Application
First Claim
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1. A flexible-shaft surgical instrument, comprising:

  • at least one rigid tube portion;

    at least one semi-rigid tube portion connected to the at least one rigid tube portion, the semi-rigid tube portion comprising a plurality of wound elements, each of the wound elements are interleaved together about a central axis such that any adjacent portions of each of the plurality of wound elements experience a degree of friction between them, the at least one semi-rigid tube portion being configured to be bent to a predetermined angle and returned to a pre-bent orientation repeatably and without plastic deformation; and

    at least one surgical device,wherein an internal diameter of the at least one rigid tube portion and the at least one semi-rigid tube portion accommodates the at least one surgical device, and access for the at least one surgical device to a target site in a patient'"'"'s body is provided through the surgical instrument via at least one opening in or adjacent to a distal end of the surgical instrument.

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