October 5th Meeting
Meeting Goals - Assess yesterday's prototype build
- Determine next week's prototype build
- Determine Knowledge Areas that need to be filled
- Assign research for each of the knowledge areas
- Assign metrics and potenial numbers for the problem definition needs
Agenda - Assess Yesterday's meeting
- We'll talk about how the prototype worked out, what we might do to make it better, and decide if it's worth pursuing in the near future.
- Determine next week's prototype build - Water Collumn pressure monitor!
- We'll sketch up next weeks monitor of the day, the pressure monitor
- Knowledge areas
- Obviously, there are some holes in our knowledge about the technology behind some of these monitors. So, I think that we should assign these as knowledge areas, then research this material. We'll plan on presenting this information next week.
- Next up, we'll determine who is doing what in regards to the research, and really focus in on researching with the express purpose of building a sensor based on this technology
- Last up, we have a large number of needs that we'll need to meet in terms of safety, usablity, ect. This week, I'd like to get some metrics put together with this information to create a set of specification.
Location Classroom near Senior Design Suite
October 5th, 3:30 pm
Minutes SIDS Monitor Team Meeting #4. 10-05-06 3:30pm
I. Member Reports.
A. Colby has arranged for us a time to visit Gritman Hospital to check out the equipment. 6:15pm Oct 11th.
B. Chris - The solid works workshop was not very applicable to our project. C. Jeff - IEC 60601-01 did not appear in the library. The search continues.
II. Post prototyping analysis and conclusions for prototype #1.
A. Using pressure sensors on an air mattress provided sufficient results. This sensor idea will not be scrapped. B. Enhancement idea: Place pressure sensors in a wheat stone configuration to amplify the signal.
III. Project learning.
A. Research topics. (How they work? How to test them?) 1. Respiratory Impedance Monitor - Colby 2. Pulse oximetry - Lloyd 3. Heart rate monitor - Bart 4. C02 monitor - Jeff 5. Motion sensor / strain gauges / electrolytic sensor - Chris 6. Thermal Camera - Jen 7. Skin temp/moisture probe - Lloyd (mentor)
IV. Developing Problem Definition (Requirement and metric) A. Dollars - retail price $300. B. Compliance with IEC - own set of metrics - yes or no. C. Low voltage - 9V with 2mA max current. D. No sharp edges - external edge radius of rounded edges will be 2mm. E. No wires. F. Not a swallow hazard - must be equal or larger than the size of a 2 inch sphere. G. Composed of bio friendly materials - yes or no. H. Must be waterproof - fully submerged for one minute and still functional. I. Simple interface to operate - no more than: five buttons, three indicator lights, ten steps to set up and operate. J. Easy to clean - must be able to clean with rag and soap. K. Number of parts - no more than four that snap together and one screw. L. Detects stopped and troubled breathing - accurate to five breaths per minute. Heart rate accurate within 10 beats per minute. M. One light per sensor N. Needs a deactivate button - should be large. O. Ability to record and present memory - needs a USB port, enough memory to hold one month of history at 10 second polling intervals. P. Liability - no more than one false alarm per case Q. Low battery indicator - indicator will light up if battery voltage has dropped to 6V. R. No false negatives - 1/100 cases should experience a false negative.
Note: For our purposes, a case will be defined as one month to one year of nightly use.
V. Action items.
A. Bart and Jen will meet Dr. Frosted on Friday the 13th for an interview. B. All members: 1. Work on questions for Dr. Frosted (Pediatrician) over the weekend and email them to either Bart or Jen by Monday. 2. Register on the new web site. 3. Research your assigned sensor. Be ready to give a five-minute presentation at the next meeting. C. Jen, Chris and Bart will meet Wednesday Oct 11th to build the next prototype. D. Lloyd, Jeff and Colby will go to the Gritman Sleep Center at 6:15 pm, Oct 11th E. Jeff will post some information on the IEC 60601-01 on the web site.
VI. Closing.
A. Meeting #5 will be next Thursday, 3:30, same room. | 