Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Update and expansion of Readme.md #40

Open
wants to merge 3 commits into
base: master
Choose a base branch
from
Open

Update and expansion of Readme.md #40

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
3fc0d22
Update and expansion of Readme.md
BoxTrot Jun 5, 2017
12bf915
Update README.md
BoxTrot Jun 5, 2017
77f59e7
Update to reflect fit tests
BoxTrot Jun 10, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
35 changes: 22 additions & 13 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -14,26 +14,32 @@ Bill of Materials

**Printed parts:**
* 1 stethoscope head (head.stl)
* 1 stethoscope ring (ring.stl)
* 1 Y-piece (y-piece.stl)
* 2 ear tubes (eartube.stl)
* 1 earplug mold (earplug_mold.stl)
* 1 spring (spring.stl)


**Other hardware:**
Some vendors are suggested. See Bill of materials ODS file for more information.
* 40cm Silicone 12mm OD, 8mm ID
* 40cm Silicone 12mm outer diameter (OD), 8mm inner diameter (ID): To connect the head to the Y-piece.
* [8MM I.D X 12MM O.D NGP60 Clear Translucent Silicone Hose Pipe Tubing](http://www.advancedfluidsolutions.co.uk/8mm-id-x-12mm-od-clear-transulcent-silicone-hose-pipe-tubing-2480-p.asp) (USD$6.95)

* 20cm Silicone 6mm OD, 4mm ID

* Silicone for ear plugs
* [Moldable Silicone Ear Plugs](http://www.earplugstore.com/moldable-silicone-ear-plugs.html) (USD$1.80)
* 20cm Silicone 8mm OD, 4mm ID: To connect the eartubes to the central Y-piece.
* NOTE: The printed eartubes are 6mm, so these tubes will initially be difficult to fit to them, but are recommended as they attach more reliably vs. 6mm ID silicone tubes.

* Diaphragm: 40mm diameter cut from a report cover with approx 0.35mm plastic sheet
* [Staples 21639 report cover (UPC 718103160223)](http://www.staples.ca/en/Staples-Swing-Lock-Report-Cover-Clear-with-Black-Spine-5-Pack/product_780953_2-CA_1_20001) (USD$8.84)
* You can cut the diaphragm by hand or with a stamp like [this one](https://www.amazon.ca/Karujimu-ki-jumbo-craft-circle-CN45004/dp/B001CBY41W)

* Replacement earbud tips from an audio/electronics store, or make molded silicone ear plugs

**Optional hardware**:
* Metal spring for holding ear tubes together

* 1 earplug mold (earplug_mold.stl)
* Silicone for ear plugs
* [Moldable Silicone Ear Plugs](http://www.earplugstore.com/custom-diy-ear-plugs.html) (≥USD$9.50/pair)
* [Sugru](https://sugru.com/) (~£4-8/pair)


Print Instructions
Expand All @@ -52,12 +58,15 @@ Assembly Instructions
=====================

* Insert silicone into mold and allow to set as per manufacturer instructions.
* Attach the diaphragm (40mm) to the stethoscope head.
* Attach the stethoscope head to the silicone tube.
* Attach the silicone tube to the T-Piece.
* Attach spring to ear tubes.
* Attach the T-piece to the ear tubes.
* Attach the ear tubes to the molded earplugs.
* Place the diaphragm (40mm) on the stethoscope head and fasten the printed ring over it.
* Attach the stethoscope head to the 8mm ID silicone tube.
* Attach the other end of the 8mm ID tube to the large end of the Y-piece.
* Attach the earplugs onto the matching grooves on the eartubes.
* Cut the 4mm ID silicone tubing in half.
* Attach the two 4mm ID tubes to the eartubes.
* Thread the two holes of the 3D printed spring through these tubes, and press them onto where the 4mm ID tube and the printed eartube meet.
* Optionally, test the width of the spring by placing the eartubes, now connected by the spring, into your ears. Remove the spring and use a heat gun to bend the spring as desired.
* Attach the other ends of the two 4mm ID tubes to the smaller ends of the Y-Piece.
* Test the stethoscope as per the validation instructions.


Expand Down