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Method and apparatus for placement of implantable device adjacent a body lumen

  • US 8,926,494 B1
  • Filed: 03/26/2009
  • Issued: 01/06/2015
  • Est. Priority Date: 03/26/2008
  • Status: Active Grant
First Claim
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1. A method of positioning and implanting an expandable implantable device at a target site for controllable coaptation of a male patient'"'"'s urethra using a biplanar ultrasonic probe inserted into a rectum of the patient, comprising:

  • inserting a Foley catheter into the urethra;

    expanding a Foley balloon in the bladder neck;

    inserting the ultrasonic probe into the rectum of the patient;

    using the ultrasonic probe to image the urethra and Foley balloon at the bladder neck;

    placing a small puncture in the perineum;

    passing a delivery device through the puncture to the target site with concurrent delivery of a local anesthetic under guidance of the ultrasonic probe and positioning the delivery device at the target site, using radial and longitudinal views provided by the ultrasonic probe, wherein the target site is proximal to the apex of the prostate or an urethral vesical anastomosis;

    expanding the target site using fluid delivered from the delivery device;

    delivering the expandable implantable device to the expanded target site; and

    adjusting the expandable implantable device to improve coaptation of the urethra,wherein the amount of the expansion of the expandable implantable device controls the coaptation of the urethra.

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