156B Week 9

Overview of Status of Analysis, Design, Fabrication, Tests, etc.

• • Finalizing the extension to give stronger indicators

  • after this, we will speak to chris cassidy about printing something that would be more similar to the final product

Accomplishments from Previous Week

• • Fit the inner wheel to the housing better

  • cut off excess screws to make them flush with the housing

  • went over final deliverables and mission/goal with sponsor

  • plan out final demonstration using other medical equipment   

Goals for Next Week (list names after each item). Use specific and measurable objectives.

• • Test on real hair (try to get someone with curly hair)

  • Get pictures of soak test

    1. Do a shower test too

  • Make demonstration video

  • Perform final iterations with Daegeun’s Makerbot

  • Make final prototypes with high end 3D printer

• • 1. Make one for prof? 

• • Indicators

• • 1. First engagement (KEY!): Finger bundle and hair placement

    2. Counter-clockwise rotation

    3. locked/unlocked (red when unlocked or locked?)

    4. Hold the bundle until ½ or ¼ rotation?

• • Steps for the future

• • 1. Branding

    2. Manufacturing

    3. Design recommendations

       1. I can mostly think of friction reduction stuff

       2. make metal protected from fluids like betadine?

    4. List of classes that could use it as a project

• • Write out goals and deliverables decided with Dr. Hom (make this clear in report and presentation)

  • Refocus language to make it more versatile/general/product is able to be used in many other situations

• • 1. Fix my laptop charging cable with electric tape

• • Create visual/written manual

  • Edit Report

  • Edit Webpage

Sponsor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)

• • "Innovate a device that efficiently and effectively fastens hair together to allow clinicians to get hair out of the way to perform a scalp procedure"

  • Priority for final deliverable:

    • product for sponsor to test and use clinically

  • Cutting out one person (Nurse) makes entire process more efficient. not only does it reduce time and resources from hair prep, but Nurse can do something else

    • pre-op wholly more efficient and effective

  • don't have to focus fully on otolaryngologic surgery for presentation

  • are there other classes that can go towards the next step?

    • if sponsor is satisfied with the product, MAE 156B seems like the wrong course for the sponsor to use

    • a class that can help with branding/manufacturing/business

  • gave us more surgical tape and added medical foam adhesive for demonstrations to replicate skin

  • initial engagement of the bundle is KEY

    • have strong indicators and a good user manual for it

  • shower test the bundles

  • stopper is a good improvement and keeps it stable

Instructor Comments from Last Meeting and Actions Taken to Address these Comments  (indicate date of comments and if via email or in person)

• • polish overall terminology and language

  • give more technical terms

  • current presentation delivers information, but can be elevated using engineering terminology

  • CAD color is good

    • calming effect, which is especially good in medical setting

  • boxes do not work to highlight a single part

    • use arrow

  • videos

    • play one then the other so audience focuses on what we are saying

  • language unclear (design so far..., etc)

  • good progress for sudden switch

  • article for cost per minute 

  • http://ether.stanford.edu/asc1/documents/management2.pdf

Comments from Other Students in the Class (indicate date of comments and if via email or in person)

• • How will it be sterilized from patient to patient?

    • similar to comb from barber, equipment will be sprayed down or soaked in betadine

  • taper the stopper

    • due to size constraints in the area of the stopper, it would be too easy to push it down

  • add guard so tape doesn't fall out of the guide

  • play with size of stopper to be larger than hair hole

    • limits bundle size and makes handle too large

Budget (list amount spent and amount remaining)

• • 3D printer Fillament PLA - white ($22.99)

Risks and Areas of Concern

• • How broad should we go when presenting the product?

  • how does betadine affect the metals in the product, and thus the lifespan?