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Umbilical Vein Catheterization Training Model Team Members: Ann Sagstetter, Kelvin Ng, Megan Britson, Fan Wu Client: Dr Julie Kessel, Dept of Pediatrics Advisor: Prof Brenda Ogle, Dept of BME

Outline of Presentation Overall Goals of Project Umbilical Vein Catheterization & Training Previous & Current Work External Support Design Manufacturing Concerns Future Work References & Q&A http://www.ovulation-calculator.com/cord.gif - CONFIDENTIAL -

Problem Statement To construct a model optimized in the following ways for use in the umbilical vein catheterization training program: firmly stabilize a fresh umbilical cord accurately mimic an infant’s abdomen easily manufactured http://www.geocities.com/placenta_rb/Fig42.jpg - CONFIDENTIAL -

Background Information Cross Section of Umbilical Cord http://www.anatomyatlases.org/MicroscopicAnatomy/Section13/Plate13261.shtml - CONFIDENTIAL -

Background Information Umbilical Vein (UV) Catheterization http://www.aap.org/nrp/images_z_nu/tnr5_f6-2_veinousumbillical.jpg - CONFIDENTIAL -

Background Information UV Catheterization Training - CONFIDENTIAL -

Background Information Existing Products http://www.cfpc.ca/cfp/2003/Jan/vol49-jan-clinical-2_fr.asp http://www.laerdal.com.au/document.asp?subnodeid=8619562 - CONFIDENTIAL -

Background Information In comparison to reality… http://www.babylink.info/edinburgh/Images/UAC.jpg - CONFIDENTIAL -

Client’s Expectations Use real, fresh umbilical cords Design an “umbilicus” that stabilizes cord Mimic texture of abdomen Include a blood reservoir Use disposable materials Comply with manufacturing standards - CONFIDENTIAL -

Previous Work Cord-In-Gel Model (aka Gel Model) - CONFIDENTIAL -

Previous Work Sphygmomanometer Model (aka Cuff Model) - CONFIDENTIAL -

Previous Work Testing Results Chosen model - CONFIDENTIAL - 9 Chosen model 8 7 6 5 Maximum Tensile Force (N) 4 3 2 1 Cord-In-Gel Model Sphygmomanometer Model NRP Baby Bottle Model - CONFIDENTIAL -

Previous Work Testing Results “Appreciate ‘baby body’. Like ability to adjust pressure around cord to stabilize cord.” “I think that the BP cuff model more realistically simulates the actual procedure. Thanks.” - Residents from Meriter Hospital Testing Results - CONFIDENTIAL -

Current Work Cuff model is chosen Goals for this semester satisfies tensile strength limit more easily assembled Goals for this semester optimize external support for abdominal mimicry present model to manufacturer - CONFIDENTIAL -

Ideas for External Support Artificial Skin Model Low-Density Polymer High-Density Polymer Dimensions in mm. - CONFIDENTIAL -

Ideas for External Support Bean Bag Model Bean Bag Outer diameter = 188 mm Inner diameter = 35 mm - CONFIDENTIAL -

Ideas for External Support Rubber Mold Model Solid Polymer Dimensions in mm. - CONFIDENTIAL -

Design Matrix - CONFIDENTIAL -

Manufacturing Requirements Technical drawings Testing results Standard operating procedures Estimated production cost Target production quantity - CONFIDENTIAL -

Future Work Experiments on External Support identify best material for mimicking abdomen incorporate cuff mechanism Manufacturing Goals contact manufacturers conduct survey and fatigue analysis project estimated costs complete technical drawings - CONFIDENTIAL -

References William Ehman. “Umbilical cord model”. Canadian Family Physician, January 2003. Website: www.cfpc.ca/cfp/2003/Jan/vol49-jan-clinical-2.asp “Baby Umbi”. Laerdal. Website: www.laerdal.com.au Wikipedia. Website: www.wikipedia.org John Kattwinkel. “Textbook of Neonatal Resuscitation”. American Academy of Pediatrics, 5th edition (2006). 6(4)-6(5). “Medical Simulation Models”. Limbs & Things USA. Website: www.golimbs.com John Walker. “Design/Manufacturing Process”. Fourmilab Switzerland, February 2008. Website: http://www.fourmilab.ch/ autofile/www/section2_83_13.html - CONFIDENTIAL -

Questions & Answers - CONFIDENTIAL -