Weekly Reports.
Week 1 Report
Client: Scott Nolen, DMD
Clayton and Florissant, MO Oral Surgeon
Scott Nolen practices a full scope of oral and maxillofacial surgery with expertise ranging from corrective jaw surgery to wisdom tooth removal. He diagnoses and treats facial pain, facial injuries, and TMJ disorders, and perform a full range of dental implant and bone grafting procedures. His office in Clayton is located at 165 N, Meramec Avenue, Suite 300, Clayton, MO 63105. The office in Florissant is located at 4585 Washington Street, Suite B4, Florissant, MO 63033.
Dr. Scott Nolen is a native of Carbondale, Illinois and did his undergraduate studies at Southern Illinois University Carbondale. He graduated from Washington University School of Dental Medicine in St. Louis and entered a four year residency program in Oral and Maxillofacial Surgery at Parkland Memorial Hospital in Dallas Texas in 1985. After completion of his specialty training, he became Board Certified in Oral and Maxillofacial Surgery.
Project Scope
There is a need for a noise reduction device for dental practices to reduce tinnitus and hearing loss for dental practitioners and minimize anxiety for dental patients. We propose to deliver on the last day of class a prototype of a system for reducing noise commonly found in dental offices. The solution should reduce noise levels by at least 45%, have a reliable power supply to provide power through an entire workday (8 hours), and provide minimal distraction to practitioners and patients.
Client: Scott Nolen, DMD
Clayton and Florissant, MO Oral Surgeon
Scott Nolen practices a full scope of oral and maxillofacial surgery with expertise ranging from corrective jaw surgery to wisdom tooth removal. He diagnoses and treats facial pain, facial injuries, and TMJ disorders, and perform a full range of dental implant and bone grafting procedures. His office in Clayton is located at 165 N, Meramec Avenue, Suite 300, Clayton, MO 63105. The office in Florissant is located at 4585 Washington Street, Suite B4, Florissant, MO 63033.
Dr. Scott Nolen is a native of Carbondale, Illinois and did his undergraduate studies at Southern Illinois University Carbondale. He graduated from Washington University School of Dental Medicine in St. Louis and entered a four year residency program in Oral and Maxillofacial Surgery at Parkland Memorial Hospital in Dallas Texas in 1985. After completion of his specialty training, he became Board Certified in Oral and Maxillofacial Surgery.
Project Scope
There is a need for a noise reduction device for dental practices to reduce tinnitus and hearing loss for dental practitioners and minimize anxiety for dental patients. We propose to deliver on the last day of class a prototype of a system for reducing noise commonly found in dental offices. The solution should reduce noise levels by at least 45%, have a reliable power supply to provide power through an entire workday (8 hours), and provide minimal distraction to practitioners and patients.
Week 2 Report
This week our group submitted the Proof of Concept sheet and got approved. We also made meeting arrangements with our client for the following week. Our group discussed possible approach for the preliminary report. |
Week 3 Report
This week our group worked on the preliminary report, discussed plan for presentations, and worked on finding patents. We also made meeting arrangements with our client for the following week. |
Weekly 4 Report
This week our group created a preliminary schedule and team responsibilities breakdown that can be seen in the preliminary report. We established a working relationship with our client that we can use their facilities and patients to test various solutions and gain feedback. In addtion, we identified many existing solutions, including 8 that are detailed in the preliminary report. These existing solutions fall into the three primary categories we have identified for our design requirements as well: earpiece, handpiece attachment, and room-scale solution. Current electrical handpieces were also detailed in the report as an existing but not utilized solution. We created design specs using client feedback for the three categories of solutions.
This week our group created a preliminary schedule and team responsibilities breakdown that can be seen in the preliminary report. We established a working relationship with our client that we can use their facilities and patients to test various solutions and gain feedback. In addtion, we identified many existing solutions, including 8 that are detailed in the preliminary report. These existing solutions fall into the three primary categories we have identified for our design requirements as well: earpiece, handpiece attachment, and room-scale solution. Current electrical handpieces were also detailed in the report as an existing but not utilized solution. We created design specs using client feedback for the three categories of solutions.
Week 5 Report
Preliminary Report was due.
Preliminary Report was due.
Week 6 Report
This week our group decided to schedule the meeting during the weekend rather than during the week due to Fall break and midterms. Our group will be meeting tomorrow to discuss preliminary design ideas and the website.
This week our group decided to schedule the meeting during the weekend rather than during the week due to Fall break and midterms. Our group will be meeting tomorrow to discuss preliminary design ideas and the website.
Week 7 Report
This week our group worked on making the website. We used the weebly.com platform. The website is available at wudna.weebly.com. In addition to the website, we made plans to think of design ideas for our next meeting date.
Our group met to work on preliminary designs. We brainstormed ideas for earpieces, room ambient device, and hand pieces. We sketched out some ideas to come back to as we go back and do research before our next meeting. Some of the ideas we thought of included:
Drill
Magnet
Aperture
Fire arm silencer mufflers, heat shields in rockets, adjustable radius, certain polymers. In addition, plans to find old drills that we can work with are being made as well as meeting with client and updating our website as we go.
This week our group worked on making the website. We used the weebly.com platform. The website is available at wudna.weebly.com. In addition to the website, we made plans to think of design ideas for our next meeting date.
Our group met to work on preliminary designs. We brainstormed ideas for earpieces, room ambient device, and hand pieces. We sketched out some ideas to come back to as we go back and do research before our next meeting. Some of the ideas we thought of included:
Drill
- sleeve with air-cooling
- Vacuum
- Compressible liquid, Fill drill shaft/gear chambers w/low viscosity, high-density fluid.
Magnet
Aperture
Fire arm silencer mufflers, heat shields in rockets, adjustable radius, certain polymers. In addition, plans to find old drills that we can work with are being made as well as meeting with client and updating our website as we go.
Week 8 Report
This week our group updated the website with the previous weekly reports. We did not meet during the week however communication regarding next step was discussed through emails. |
Week 9 Report
Tasks accomplished this week: This week we worked more on drafting many design ideas. Some of our sketches are provided in the following pages. We determined that the biggest question we have right now is specifically where in the drill the sound originates from, so we have contacted our client to schedule time to work with his equipment at his office next week to gain a more complete understanding of the existing equipment.We are meeting this afternoon to continue brainstorming more ideas as well as talk about our points of analysis for our Pugh chart. Goals for next week: More brainstorming of designs and ranking of the designs through the Pugh chart. Preliminary work on the budget section for the upcoming paper. |
Week 10 Report
Tasks accomplished this week:
This week we worked hard on drafting up more detailed ideas of our initial design and currently have 17 design alternatives. We also created our initial draft of the Pugh chart with 8 criteria and completed our initial rankings of our alternatives. Kailin met with the client at his office to discuss more about what he views as important when using his drill. The client indicated that weight is less of an issue than we anticipated. Kailin also spent time handling the drill to become familiar with the use of the tool and determine the primary source of the resulting noise. She determined that the noise radiates from almost the entire length of the drill, resulting from the internal mechanical gears in the handpiece. The client also provided us with the model of handpiece that he uses so we can do more research into the specs from the company, Stryker.
Goals for next week:
Thanksgiving! We will be drafting most of the paper and working on the drawings of necessary alternatives to include in the paper.
Tasks accomplished this week:
This week we worked hard on drafting up more detailed ideas of our initial design and currently have 17 design alternatives. We also created our initial draft of the Pugh chart with 8 criteria and completed our initial rankings of our alternatives. Kailin met with the client at his office to discuss more about what he views as important when using his drill. The client indicated that weight is less of an issue than we anticipated. Kailin also spent time handling the drill to become familiar with the use of the tool and determine the primary source of the resulting noise. She determined that the noise radiates from almost the entire length of the drill, resulting from the internal mechanical gears in the handpiece. The client also provided us with the model of handpiece that he uses so we can do more research into the specs from the company, Stryker.
Goals for next week:
Thanksgiving! We will be drafting most of the paper and working on the drawings of necessary alternatives to include in the paper.
Weekly Report 1/26/18
Tasks accomplished this week: This week we met with Dr. Klaesner to create a plan for testing and prototyping. We currently plan to do V&V testing with the samples of acoustic foam we have and create a mockup with regular foam and a 3D printed drill for the look and feel. We plan to measure decibel level using an iPhone app, vibrations using an accelerometer, and temperature of the drill using a thermocouple. After talking to Bryce from Metaphase about our initial design, we have a lot of intricacies to think about. Before the final design, we hope to present our client with multiple iterations to get his opinion on the feel of different sleeve designs. We also hope to observe the client in practice soon, as he has invited us to observe any time. Sound damping material was also ordered, and the receipt will be submitted for approval on Monday. Goals for next week: We will be brainstorming different testing setups based on the limited acoustic material we have available and fleshing out our testing plans. Weekly Report 2/9/18
Tasks accomplished this week: This week, we contacted the client and set up a time for testing next Friday afternoon (2/16). For the sound damping material, we will be testing sound attenuation as well as vibrations (accelerometer) and heat production. We will also test vibrations and heat production using our “test foam” which is a standard upholstery foam without acoustic properties which we can easily machine to be shaped to the drill. We will additionally test controls of the drill in the box with no test panel and with a wooden test panel. We ordered additional acoustic foam samples so we have more material to work with when trying to figure out how to machine the foam to fit the drill. Nadine successfully scanned Daniel’s wooden model of the drill with foam. Goals for next week: Next week, Kailin will begin “drafting” the V&V paper to make sure we test everything we will need to make a convincing argument for the proof of concept of the project. We will also be discussing the design specifications and adding/removing/editing them as necessary to work on the verification plan. Friday we will be carrying out testing at the clinic site. Weekly Report 2/23/18
Tasks accomplished this week: Last Friday, we spent a few hours at the client’s office doing proof of concept testing on his dental drill. The client was so excited to have us all in the office that he got us all smoothies. We determined that our material deemed “Rice Crispy” is the best material for our application. (More results including our proof of concept figure to come in the V&V paper). Surprisingly (to me) , the sound damping material was the worst, and actually made the drill louder. We tested the decibel level using Daniel’s box (seen below) We even got a good video that demonstrates the difference in sound when the sound absorbing material is introduced. We all got to witness the dental drill in action during a wisdom teeth removal surgery and we watched how the client uses the drill, where he holds it, etc. He actually holds the drill way differently than he says he does when he shows us outside of surgery! We discussed the first iteration prototype with the client and his staff and discussed how to improve the second iteration model. Kailin has been hard at work on the V&V paper and has finished a rough draft for a meeting with Dr. Klaesner on Monday. Goals for next week: Get good images of the current models and testing setup Finish and submit the V&V paper Nadine will work on the V&V presentation. Weekly Report 3/2/18
Tasks accomplished this week: Got good images of the current models and testing setup.Finised and submitted the V&V paper. Nadine worked on the V&V presentation. Kailin tried to get additional samples of the chosen solution to no avail (☹) Goals for next week: Establish project plan for the weeks post spring break to finish the project early because we all have conflict the week before the final paper is due Nadine will contact Phil Bayly about sound transport modeling through material. Nadine will figure out how to order the testing chip we need from TI (I think we might need someone employed at the University to order that for us..... I think they limit it to University use). Weekly Report 3/23/18
Tasks accomplished this week: Met with Dr. Klaesner to solidify plans for the rest of the semester. Created several 2nd iteration designs. Emailed Bryce from Metaphase for advice about the ergonomics of our sleeve. Has not replied yet ☹. Worked on the final poster. Began verification testing that doesn't require the clients office. Received prototyping foam. Received SensorTag and played with it to figure out how we’re going to use it in testing. Goals for next week: Discuss actual outer casing material for the sleeve if it were to be produced (the prototype will be 3D printed, but that obviously isn’t ideal). Decide on a final design upon receiving Bryce’s advice. Mock up a prototype sleeve. Prepare everything we need for final testing. Final testing at the client’s office Friday afternoon 3/30. Begin working on DesignSafe. Weekly Report 4/6/18
Tasks accomplished this week: Still never received a reply from Bryce. Sent an email to Objex on Monday but haven’t heard back yet. Analyzed the data from testing looks good! Discussed a nylon coated polypropylene vacuum seal on the inside of the sleeve to hold the foam in place. Fulfills necessary material requirements, already approved by the FDA for food contact with meat packaging. Filled out the DesignSafe matrix Finished draft of the V&V results section of the paper. Goals for next week: Discuss actual outer casing material for the sleeve if it were to be produced (the prototype will be 3D printed, but that obviously isn’t ideal). make prototype mockup. Finish a complete draft of the paper by 4/13 |
Weekly Report 2/2/18
Tasks accomplished this week: Testing plans were made and next step tasks were divided (see goals for next week). Sound damping material was received. Daniel started sketching the outside aesthetic for the sleeve, and made a rough 3D model from scrap wood that we can scan to 3D print. We also took trips to Home Depot and Walmart in search of “fake” foam to work on how we will be machining the acoustic foam. Daniel confirmed that the “fake” foam can be machined easily. Goals for next week: Nadine: Contact client to use his drill to test Obtain testing materials from BME department Try to order more samples Kailin: Find existing materials (scales, thermocouple) Download decibel measuring app Daniel: Find a way to consistently machine test foams Work on more accurate drawings/CAD files Weekly Report 2/16/18
Tasks accomplished this week: Fulfills project statement: There is a need for a noise reduction device for dental practices to reduce tinnitus and hearing loss for dental practitioners and minimize anxiety for dental patients. We propose to deliver on the last day of class CAD models of the mechanical design, circuit diagrams of the electrical design (if applicable), and a prototype of a system for reducing high frequency noise commonly found in dental offices. The solution should reduce high frequency noise levels by at least 45%, reduce speech frequency noise levels by less than 5%, have a reliable power supply to provide power through an entire workday (8 hours), and provide minimal distraction to practitioners and patients. Visual aesthetics: Not scary, Research colors... I’m pretty sure blue is psychologically best somehow, Streamlined Functional properties: Slightly textured surface but not textured enough to harbor bacteria Hand feeling: 5% female to 95% male *might go in verification Tapered for finger placement Suitable for left and right handed people Nadine and Daniel scanned our wooden model and printed it as a hollow sleeve. Goals for next week: This afternoon, we will be testing on site at the clinic. Next week, we will be analyzing the results of the proof of concept testing to report in the V&V report. Questions: Are we on track with what we should be looking at with validation? Verification seems much more straightforward, so we just want to check if there’s anything obvious we’re missing and if we’re on the right track with validation. Thanks! Weekly Report 3/9/18
Tasks accomplished this week: Nadine presented our V&V presentation. Ordered our testing chip from TI. Ordered more foam material or our chosen foam. Began verifying specs that require the material specification sheets with success! Made a detailed plan of attack for the rest of the semester to (hopefully) finish the project early. Scheduled a meeting with Dr. Klaesner for the Monday following break Nadine emailed the client to schedule a time for final testing tentatively March 30 Goals for next week: SPRING BREAK! Create a few 2ND Iiteration designs to discuss with Dr. Klaesner after break. Begin laying out the final paper, presentation, and poster. Discuss actual outer casing material for the sleeve if it were to be produced (the prototype will be 3D printed, but that obviously isn’t ideal). Have a great break! Weekly Report 3/30/18
Sorry for the delay this week has been focused on our clinic testing this afternoon! for the delay this week has been focused on our clinic testing this afternoon! Tasks accomplished this week: Never received a reply from Bryce, so we decided on a design with a hexagonal body similar to the design of Ticonderoga pencils. Got validation feedback from the client about the design the hexagonal body as well. Made a first attempt at a prototype sleeve ad some difficulties 3D printing. Completed all of the verification tests that required the clinic. Had lots of issues with the SensorTag because the vibrations were too small in magnitude to record and the temperature function completely stopped working. Used a two input thermocouple read to record temperature readings and got useful results. Began working on the conclusions section of the report. Goals for next week: Discuss actual outer casing material for the sleeve if it were to be produced (the prototype will be 3D printed, but that obviously isn’t ideal). Begin working on DesignSafe, Begin making final CAD drawings Work on a plan to produce a good mock up of the design. Weekly Report 4/13/18
Tasks accomplished this week: Decided on outer casing material (Nylon). Constructed prototype mockup. Finished a completed ROUGH draft of the paper. Updated the website. Met with Dr. Klaesner Goals for next week: Finish paper. Make presentation. Make user guide |