156A Week 10

Past week accomplishments:

• Conducted air input vs height change test for the prototype membrane (Karie)

• Developed CAD models of current prototype to do simulation testing later (Udai)

• Planned with sponsor to have a neck model 3D printed for risk analysis (Ryan)

• Worked with pressure sensor to see compatibility with Arduino (Philip)

Sponsor Feedback:

• Silicone material is sufficient to make the device biocompatible

• Sending someone into the Sim Center is costly and not worthwhile

  • Can setup a test day later next quarter

• Will send over CAT scan images to determine general geometry of model

• Air input should be small so an actuator attached to a air filled syringe should suffice

• Envisions the inflatable balloon to be disposable or “From a package”

• Group seems on track and progressing

Instructor Feedback from last week:

• Get feedback from sponsor to determine material and component requirements

Current Concerns:

• Wireless possible? Bluetooth?

• Sensor placement - will discuss with sponsor

Next Steps:

• Design system layout and do CAD modeling (Ryan)

• Finish pressure sensor initial testing to determine resolution and feasibility (Philip)

• Setup an assembly with all the cad parts to begin force simulation on neck (Udai, Ryan)

• Assemble physical prototype, sensor, and 3D neck model to do physical testing (Karie)

• Work on risk analysis presentation and individual component analysis (All)

https://pubmed.ncbi.nlm.nih.gov/28195000/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4595669/