Journal of Pediatric Surgery
Volume 38, Issue 1 , Pages 45-50 , January 2003

Evolution of a percutaneous fetoscopic access system for single-port tracheal occlusion

Presented at the 49th Annual Congress of the British Association of Paediatric Surgeons, Cambridge, England, July 23-26, 2002.

  • Image Result

    Prototype rigid introducer to deploy innerdyne radially expandable port.

    Prototype rigid introducer to deploy innerdyne radially expandable port.

  • Image Result

    Evolution prototype of above to reduce incidence of fraying of distal tip and intussusception of proximal end of expandable port.

    Evolution prototype of above to reduce incidence of fraying of distal tip and intussusception of proximal end of expandable port.

  • Image Result

    Membranes held by loop of superelastic memory shape alloy wire while instruments are passed into amniotic cavity. Note virtually no tenting of membranes at entry point (arrow).

    Membranes held by loop of superelastic memory shape alloy wire while instruments are passed into amniotic cavity. Note virtually no tenting of membranes at entry point (arrow).

  • Image Result

    (A) Ultrasound image of port (white arrow) placement over guidewire (arrowhead) into fetal mouth (dashed arrow, snout; paired arrows, mandibular condyles). (B) Fetoscope approaching fetal mouth (arrow

    (A) Ultrasound image of port (white arrow) placement over guidewire (arrowhead) into fetal mouth (dashed arrow, snout; paired arrows, mandibular condyles). (B) Fetoscope approaching fetal mouth (arrow).

  • Image Result
    (A) View of the fetal trachea. Note tracheal rings superolaterally. (B) Fetoscope passed to carina. (C) Balloon (arrowhead) deployed 2 cm proximal to carina (balloon shaft marked by arrow).

    (A) View of the fetal trachea. Note tracheal rings superolaterally. (B) Fetoscope passed to carina. (C) Balloon (arrowhead) deployed 2 cm proximal to carina (balloon shaft marked by arrow).

☆ This study was supported by the Wellcome Trust and the Scottish Hospital Endowment Research Trust.

☆☆ Address reprint requests to Constantinos A. Hajivassiliou, Consultant Paediatric/Neonatal Surgeon, Department of Surgical Paediatrics, Royal Hospital for Sick Children, Yorkhill, Glasgow, G3 8SJ, Scotland.

PII: S0022-3468(02)63015-5

doi: 10.1053/jpsu.2003.50007

Journal of Pediatric Surgery
Volume 38, Issue 1 , Pages 45-50 , January 2003

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