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BME 273 Fetal Stabilizer for Intrauterine Surgery. Michael Dinh Advisor: Dr. Joseph Bruner. Spina Bifida. Spina Bifida affects approximately 1 out of every 1,000 newborns in the U.S
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BME 273Fetal Stabilizer for Intrauterine Surgery Michael Dinh Advisor: Dr. Joseph Bruner
Spina Bifida • Spina Bifida affects approximately 1 out of every 1,000 newborns in the U.S • Each year in the US about 4,000 pregnancies are affected by spina bifida and anencephaly, an average of 11 pregnancies per day
Vanderbilt University • 165 cases of spina bifida repair • Age range of infants 19-30 weeks • Mean operating time is about 87 min • Ranges from 62-131 min Dr. Bruner Vanderbilt University
Myelomeningocele • Defect in the spinal column • Protrusion of spinal cord membrane, spinal cord, and nerve roots • Bathing of developing spinal cord with amniotic fluid results in progressive neurological injury
Design Objective • Design a fetal stabilizer to assist in surgery • Hold fetus steady while providing an opening for operation Dr. Bruner Vanderbilt University
Device Specification • Lightweight • Material: light weight polymer or stainless steel • Length of device < 20 cm • Large size involve stability problems • Flanged opening at top curved to keep opening sealed
Fetal Data • 19 week old fetus • 6 inches head to end • Weight about 8.5 ounces http://www.babycenter.com/mybabycenter/119.html
Current and Future Outlook • No known device that serves such function • Design which leads to a prototype • Feasible in size and not cumbersome in use