Tracheoesophageal Prosthesis Insufflator Project at Johns Hopkins University 2013 - Overview and Progress Update
"Get insights into the development of a portable insufflator for tracheoesophageal prosthesis at Johns Hopkins University in 2013. Explore project mission, deliverables status, progress on components, challenges faced, and revised schedule overview."
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Presentation Transcript
Tracheoesophageal Prosthesis Insufflator Checkpoint Presentation II Computer Integrated Surgery II, Project 13 Kevin Liu Johns Hopkins University May 2nd, 2013 Mentors: Dr. Russell H. Taylor, Dr. Jeremy Richmon
Overview -- Summary -- Status of Deliverables -- Progress -- Updated Schedule -- Status on Dependencies -- Questions
Project Mission - Develop a portable insufflator that will deliver air through the TEP so that patient can circumvent direct blockage of stoma
Deliverables: Status CAD/Pad sketch of components: Done/Done Rough prototype of insufflator: Done Minimum Improved prototype with custom-built parts: Delayed to 5/6 Testing of device: Delayed Expected Polish into sell-able condition: On track World domination: Silly Idea Maximum
Progress: RP Parts Silicone hose TEP chamber
Progress: RP Parts Quick-Detach: Separated Male: To TEP Red: Male End Twist Male CW to lock Female: To CO2 Quick-Detach: Cross Section
Progress: TEP Device CO2 source assembly Pressure Regulator Valve CO2 source/Trigger Medical-Grade Silicone Tubing
Progress: TEP Device Video
Progress: TEP Device Unexpected Encounters: AIRTIGHT SEALS: Air will find path of least resistance, which is usually the joints, and leak PUSH BUTTON VALVE: May need to be circumvented due to above reason CANISTER LIFE SPAN: A single 16g CO2 cartridge lasts shorter than expected. Begin debate of bigger canister against portability. PRESSURE VALUES: According to Dr. Richmon, pressure through TEP is ~20 mmH2O, or ~0.3 PSI. Smallest found commercial valve is 0-5 PSI.
Previous Schedule Design Sketch Material Acquisition Initial Prototype Rapid Prototyping Testing Revisions 28-Feb 7-Mar 14-Mar 21-Mar 28-Mar 4-Apr 11-Apr 18-Apr 25-Apr 2-May
Dependencies Reason for dependency Dependency TEP device Impact No interface Resolution Resolved Alternative N/A Output tubing interface Costs, qualifications Ethics Rapid Prototyping Less streamlined design Cannot test device Expected 5/6 Do without Voluntary Patient testing Considering Alternative Perform on model
Questions? Be even more gentle.
