Tracheostomy Tube Security Device March 6 th 2009
Tracheostomy Tube Security Device March 6 th, 2009 Katie Pollock – Leader Becca Clayman - Communicator Kim Safarik - BWIG Paul Fossum – BSAC Advisor – Paul Thompson Client – Dr. Timothy Mc. Culloch
Outline Background Strap Connections Back Pressure system Materials Final Design Future Work Questions
What is a Tracheostomy Emergency/Nonemergency procedures Tube placed in trachea to allow patient to breathe Semipermanent/permanent opening http: //www. kevinmd. com/blog/hello/51/959/640/tra chdiag. jpg
Why is a Tracheotomy Performed? Airway obstruction Windpipe blocked by swelling Foreign objects Paralysis of throat Tumor Lung disease http: //www. deepspace 4. com/pages/prophecy/fatima/images/tracheotomy. jpg
Problems With Current Straps Ulcers and Banding ◦ Caused by excess pressure ◦ Loose strap = loose tube Accidental Decannulation Readily absorbs moisture Neck Dependant http: //www. medicdirect. co. uk/images/tracheostomy _large. jpg http: //www. southwestmedical. com/images/products/images/RT K 101 -201. jpg
Client Requirements Wider, comfortable strap Adjustment monitoring system Increase comfort and adjustability of pressure Easy to maintain Last for 5 -7 days http: //www. marpacinc. com/Images/bariatricart. jpg http: //www. istockphoto. com/file_thumbview_approve/4032641/2/i stockphoto_4032641 -tracheotomy. jpg
Strap Attachment Velcro Redesigned hat snaps 1 -way self locking mechanism – similar to a cable tie Redesigned belt
Plausible Strap Designs
Front Design Matrix Front Ease of Cost Size Comfort Safety Aesthetics Total Construction (20) (10) (20) (100) (20) Velcro 19 9 13 5 20 7 73 Re-engineered hat snaps 18 7 15 18 15 8 81 Self locking/pressure (like cable tie) 15 9 13 14 15 8 74 Belt design 15 8 15 18 15 8 79
Back Design Air Gel Water Foam http: //www. ergo 4 me. com/chairbuilder/option_images/foammemory. jpg http: //en. wikipedia. org/wiki/File: Hairgel. JPG
Basic Strap Design
Back Design Matrix Ease of Size Comfort Safety Aesthetics Total Construction (10) (20) (100) (20) Back Cost (20) Air 20 10 13 15 13 8 79 Gel 7 10 18 17 10 10 72 Water 18 10 15 15 14 8 80 Foam 8 10 17 18 16 9 78
Self Adjusting Pressure Design Hardware one way check valve Plastic one way valve – similar to a no mess ketchup bottle
Pressure Design Matrix Pressure Design Ease of Cost Size Comfort Safety Aesthetics Total Construction (20) (10) (20) (100) (20) 1 -way valve with refilling - hardware 15 5 13 19 17 8 77 1 -way valve with refilling - plastic 15 7 17 19 17 9 84
Pressure System Design
Strap Material Design Plastics – malleable Cotton Backpack mesh Fleece
Material Design Matrix Strap Material Ease of Cost Size Comfort Safety Aesthetics Total Construction (20) (10) (20) (100) (20) Plastics 16 10 5 20 10 7 68 Cotton 17 10 13 20 18 5 83 Backpack mesh 12 10 15 20 18 9 84 Fleece 14 10 15 20 14 9 82
Final Design Redesigned hat snaps Water filled Plastic one way pressure valve Backpack mesh
Future Work Continue discussion with client Order Materials Fabricate Prototype Testing Fabricate final prototype
Sources Timothy Mc. Culloch, M. D. ◦ Chairmen of Otolaryngology, University of Wisconsin School of Medicine of Public Health Anna Krupp, Clinical Nurse Specialist www. tracheostomy. com
Questions?
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