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Laparoscopic dissection tension retractor device and method

  • US 5,474,057 A
  • Filed: 07/21/1994
  • Issued: 12/12/1995
  • Est. Priority Date: 02/22/1993
  • Status: Expired due to Term
First Claim
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1. A minimally invasive retractor and dissector for internal surgical use on a patient'"'"'s body comprising:

  • a tubular support for passing into the patient'"'"'s body including a passage through which access may be gained substantially along an axis "A" thereof during operative procedures on the internal tissue of the patient;

    a proximal end on the tubular support located outside the patient'"'"'s body in position to provide access into the patient for the surgeon;

    a distal end on the tubular support located inside the patient'"'"'s body in position to provide access within the patient for surgery;

    a plurality of articulated members movably positioned relative to the distal end of the tubular support and one of the articulated members for allowing swinging thereof relative to the distal end;

    a distal tip on the articulated members, each distal tip configured to move independently of each other distal tip and hold tissue so any one of the articulated members is capable of holding and pulling tissue disposed beyond the distal end of the tubular support;

    a control located at the proximal end of the tubular support, anda rotator connected to the proximal end of the tubular support and operatively connected to the articulated members for rotatably positioning the tubular support and the articulated members within the patient'"'"'s body for movement relative to the control.

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