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Specially shaped balloon device for use in surgery and method of use

  • US 7,226,462 B2
  • Filed: 06/10/2004
  • Issued: 06/05/2007
  • Est. Priority Date: 05/28/1999
  • Status: Expired due to Fees
First Claim
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1. An apparatus for dissecting tissue to facilitate a laparoscopic surgical procedure in an anatomical region of a patient'"'"'s body, the apparatus comprising:

  • (a) a cannula having an end which is insertable through a laparoscopic incision in the patient'"'"'s body;

    (b) a deflated inflatable balloon coupled to the cannula, the balloon having a distal end, a proximal end, and a neck portion adjacent the proximal end, where a width of the inflated balloon is at a maximum at the proximal end adjacent the neck portion and immediately decreases towards the distal end of the balloon and causes a non-uniform dissection of tissue, and a portion of the balloon is inverted into another portion of itself to reduce the length of the deflated balloon; and

    (c) a lumen which provides access to the interior of the balloon for inflating the balloon with a fluid.

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