やさしい義眼のつくりかた How to make artificial eye and prosthesis

顎顔面補綴という仕事を通じて身につけた義眼やエピテーゼの製作技術やその背景をご紹介。 あまり広く認知されていない技術ですが、どこかで誰かの役に立てればいいですね。 フィギュアなどの趣味にも生かせるように、なるべく特殊な材料や 道具を使わない方法も お伝えできればと思います。 How to make artificial eye and prosthesis.

How to make artificial eye and prosthesis.

3d

3D Design Voronoi patterned AFO

From the last video of "3D design AFO".



Many asking to design Voronoi patterned.

Here's new video.

Maybe this is not so compricated.



3D Design Ortho model

I uploaded another video on Youtube.

It's showing how to design 3D printable dental model and ortho model.

I just use free software Meshmixer.





For the ortho model, I'm using pre designed dental base.
https://www.cgtrader.com/3d-print-models/science/other/upper-and-lower-ortho-model-bases

Wax pattern from digital analyzing

I uploaded the video on Youtube last time.

I was thinking about the process of analyzing and designing the epithesis in 3D, and then finishing it up.





I wish I could print it with silicon or wax on my 3D printer, but I can't do it with mine.

By the way, you can download the actual digital data here.
https://www.cgtrader.com/3d-print-models/science/biology/natural-ear-anatomy-microtia

The final positioning and fusioned with the skin tag was printed with resin.


IMG_5900


Make a silicone mold of this...

IMG_5908


If I put this mold onto the skin tag model, it provides space for prosthesis.

This model should fit well with the model...

IMG_5910



It matched... as my expectation so far.

IMG_5911


Pour the melted wax into this,

IMG_5916

While the wax is still melted, cover it with the model.

IMG_5917

Looks like it went well.

FullSizeRender

FullSizeRender

I wish the wax pattern removed from the mold will match the model perfectly.

FullSizeRender

IMG_5927


The question is whether the patient will be satisfied by trying this on the actual area.

The skin tags are slightly lower and more forward.

I've adjusted the size of the wax a little to take that into account, but what do you think?

Front view.

IMG_5928


From the back.

IMG_5929


The result will come later.

3D design Ear prosthesis

This is the case which the second surgery of implant was done the other day.

I poured hard stone into the impressions I took during the second surgery.

The model was scanned by a desktop-type 3D scanner and converted into digital data.

This is the scanned data.
Screen Shot 2019-08-05 at 15.15.47

Some part such as deep is difficult to scan. It's showing a open hole.
I need to start correction.
Screen Shot 2019-08-05 at 13.04.55

The bubbles and surface roughness of the plaster model are also corrected.

Thickened for 3D printing and shaped with a base.
Screen Shot 2019-08-05 at 13.41.59

To save printing material, I made it hollow model.
Screen Shot 2019-08-05 at 13.42.31

It's the other side that makes the prosthesis, so I flipped and save this data.
Screen Shot 2019-08-05 at 14.57.22

The data on the left side of the patient, where the implant was installed, is also corrected and shaped.
Screen Shot 2019-08-05 at 14.31.18

THe fliped data of the normal ear and overlap it on the implant side.
Screen Shot 2019-08-05 at 14.59.53

Ear hole is a guide for positioning.
Screen Shot 2019-08-05 at 15.05.33

I was a little worried that the position of the implant was too high, but it seems to be within the allowable range.
Screen Shot 2019-08-05 at 15.07.35

Based on this data, I will design the attachment framework on the implant.




Artificial breast Digital sculpturing

I'm making the prototype of artificial breast in digitally. 

The advantages of 3D design are easy to make mirror image, and adjust size.


顔面補綴マニュアル  やさしい義眼の作り方 How to make artificial eye
How to make Ear Prosthesis 英語版
エピテーゼのつくりかた 耳
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村井 さむ

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日本でのプレッシャーを逃れフィリピンに移住してはや10年、まだ生きてます。やさしい義眼の作り方

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