3D printing hack

[Andy South]

Hi All,

There's a 3D printing hack running in Norwich over the next month or so.

http://hotsourcenorwich.co.uk/2013/03/hot-source-presents-the-3d-hack-event/

Brief brief is to 'develop an idea with a social or commercial application.'

Free access to hard & software just need to pay for materials. I've no idea how much that might be but I'm going along to the launch event this evening so I'll find out.

Anyone have any ideas or want to do something ? Not my expertise but I'm interested and happy to be a local representative / coordinator.

I thought about the potential to create a raised route maps (Braille like) e.g. for airports/tube stations. No idea whether this has been done already will have a look into now. 

I'll report back following this evening,

Best,

Andy

[Malcolm Newbury]

Yes I'd love to see NHSHackday peeps get involved in more of this stuff.

3D printing effectively gives you 3D prototyping for manufacture / surgery / prosthetics / implants /

There must be some interesting combinations of imaging and 3D printing out there . .

There is, of course,  the superb work  Dr Mark Frame - Orthopedic surgeon in Glasgow, spotted by John Pyle which the EHI Skunkworks showcased in Nov 2011.

http://www.shapeways.com/blog/archives/995-3d-printing-bone-on-a-budget!.html

Malcolm

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[carl]

what's your report?

I'm looking to make a tube with an impeller that transduces a human beens exhalation into a computer signal in a reliable way for obvious medical reasons.....

[A James Phillips]

Carl, perhaps an ultrasonic air flow meter might be useful / more suitable?

[Andy South]

Hi Carl,

Apologies for not getting back to the list sooner, I didn't get the sense of much concrete interest - although thanks to Malcolm for the bone stuff which is very interesting.

Here are a few pointers that may help & I'm happy to provide other stuff that I've learnt over the past week.

3D printers (mostly) require a .stl (stereolithography) file. 
http://en.wikipedia.org/wiki/STL_(file_format)

Thingiverse is a great source of 3D projects with files that can be downloaded & modified.

http://www.thingiverse.com/search?q=medical

which is a great collection of useful stuff and star trek medical insignia !

http://www.thingiverse.com/search?q=impeller

Meshlab is a free & open-source 3D viewer that copes with stl files : http://meshlab.sourceforge.net/ 

OpenSCAD is a free tool for programatically modifying stl files : http://www.openscad.org/

I'm planning to do a 3D globe for the blind with continents & oceans labelled in braille, along the lines of this : http://www.thingiverse.com/thing:15658

But I could still be distracted by other ideas ...

Andy

--

[carl]

no probs

I absolutely love the idea of a 3D globe for the blind with continents & oceans labelled in braille, along the lines of this : http://www.thingiverse.com/thing:15658 

look forward to catching up more on your 3d printing learnings in person

best, Carl

[Malcolm Newbury]

With 3d printing, it seems to that its the 3d scan and processing into a printable file format that seems to be the bottleneck. If there is readily available clean 3d data, then there must be amazing applications for this technology.

How about the podiatry inserts, that are prescribed for people with walking issues? 

If an easy method of measuring and projecting the shape can be devised, then 3d printing and post of the insert must be a viable option. 

Malcolm

Sent from my iPhone

[Marcus Baw]

3d printing of casts for fractures? I've always thought the current messy methods with plaster and resins are SO 20th century. 3d printed casts could be made in 2 halves and glued together on the patient's limb. The outside is a blank canvas for designs, logos, etc!

Would need a way of scanning the injured limb and an algorithm to add space, accounting for later swelling that may occur.

[Rob Dyke]

http://hacks.rewiredstate.org/events/wthack-2012/boneplicator

http://blog.wellcome.ac.uk/2013/01/08/hacking-biomedical-science-in-30-hours/

And attached presention.

[Marcus Baw]

Very interesting indeed. However the presentation is about printing bones for educational processes, or possibly for implantation, all very sexy, I am talking about printing a customised 2-piece cast for a broken limb.

Anyone know if this has been done yet? I'm pretty sure it will have been!

M

[Martin Green]

The brachytherapy group at Clatterbridge have been wondering about 3D
printing moulds for the precise placement radioactive seeds.
Currently moulds are made by vacuum forming a thermoplastic shell from
a plaster of paris impression of the patient. This shell is then
built up using thin layers of wax, in to which the brachytherapy
catheters are embedded.

I will be bringing along some example data, which with a little
ingenuity could be used to 3D print brachytherapy moulds, which could
be quite a time saver.

Regards,
Martin

>>>> http://www.thingiverse.com/**thing:15658<http://www.thingiverse.com/thing:15658>

>>>>
>>>>
>>>> look forward to catching up more on your 3d printing learnings in
>>>> person
>>>>
>>>> best, Carl
>>>>
>>>>
>>>> On Monday, May 13, 2013 11:21:31 AM UTC+1, Andy South wrote:
>>>>>
>>>>> Hi Carl,
>>>>>
>>>>> Apologies for not getting back to the list sooner, I didn't get the
>>>>> sense of much concrete interest - although thanks to Malcolm for the
>>>>> bone
>>>>> stuff which is very interesting.
>>>>>
>>>>> Here are a few pointers that may help & I'm happy to provide other
>>>>> stuff that I've learnt over the past week.
>>>>>
>>>>> 3D printers (mostly) require a .stl (stereolithography) file.

>>>>> http://en.wikipedia.org/wiki/**STL_(file_format)<http://en.wikipedia.org/wiki/STL_(file_format)>

>>>>>
>>>>> Thingiverse is a great source of 3D projects with files that can be
>>>>> downloaded & modified.
>>>>>

>>>>> http://www.thingiverse.com/**search?q=<http://www.thingiverse.com/search?q=impeller>
>>>>> medical

>>>>> which is a great collection of useful stuff and star trek medical
>>>>> insignia !
>>>>>

>>>>> http://www.thingiverse.com/**search?q=impeller<http://www.thingiverse.com/search?q=impeller>

>>>>>
>>>>> Meshlab is a free & open-source 3D viewer that copes with stl files :

>>>>> http://meshlab.sourceforge.**net/ <http://meshlab.sourceforge.net/>

>>>>>
>>>>> OpenSCAD is a free tool for programatically modifying stl files :
>>>>> http://www.openscad.org/
>>>>>
>>>>> I'm planning to do a 3D globe for the blind with continents & oceans
>>>>> labelled in braille, along the lines of this :

>>>>> http://www.thingiverse.com/**thing:15658<http://www.thingiverse.com/thing:15658>

>>>>>
>>>>> But I could still be distracted by other ideas ...
>>>>>
>>>>> Andy
>>>>>
>>>>>
>>>>> On 10 May 2013 21:16, carl <carl.r...@openhealthcare.**org.uk> wrote:
>>>>>
>>>>>> what's your report?
>>>>>>
>>>>>> I'm looking to make a tube with an impeller that transduces a human
>>>>>> beens exhalation into a computer signal in a reliable way for obvious
>>>>>> medical reasons.....
>>>>>>
>>>>>>
>>>>>> On Thursday, April 25, 2013 2:58:51 PM UTC+1, Andy South wrote:
>>>>>>>
>>>>>>> Hi All,
>>>>>>>
>>>>>>> There's a 3D printing hack running in Norwich over the next month or
>>>>>>> so.
>>>>>>>

>>>>>>> http://hotsourcenorwich.co.uk/****2013/03/hot-source-presents-**th**
>>>>>>> e-3d-hack-event/<http://hotsourcenorwich.co.uk/2013/03/hot-source-presents-the-3d-hack-event/>

>>>>>>>
>>>>>>> Brief brief is to 'develop an idea with a social or commercial
>>>>>>> application.'
>>>>>>>
>>>>>>> Free access to hard & software just need to pay for materials. I've
>>>>>>> no idea how much that might be but I'm going along to the launch
>>>>>>> event this
>>>>>>> evening so I'll find out.
>>>>>>>
>>>>>>> Anyone have any ideas or want to do something ? Not my expertise but
>>>>>>> I'm interested and happy to be a local representative / coordinator.
>>>>>>>
>>>>>>> I thought about the potential to create a raised route maps (Braille
>>>>>>> like) e.g. for airports/tube stations. No idea whether this has been
>>>>>>> done
>>>>>>> already will have a look into now.
>>>>>>>
>>>>>>> I'll report back following this evening,
>>>>>>> Best,
>>>>>>> Andy
>>>>>>>
>>>>>> --
>>>>>> You received this message because you are subscribed to the Google
>>>>>> Groups "nhshackday" group.
>>>>>> To unsubscribe from this group and stop receiving emails from it,
>>>>>> send

>>>>>> an email to nhshackday+...@**googlegroups.com.
>>>>>> For more options, visit
>>>>>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out>
>>>>>> .

[VJ]

Sorry, won't be able to make this weekend but this looked interesting:
http://www.uofmhealth.org/news/archive/201305/baby%E2%80%99s-life-saved-grou
ndbreaking-3d-printed-device

VJ

[Barry Rowlingson]

On Sunday, May 19, 2013 11:20:38 PM UTC+1, Marcus Baw wrote:

Very interesting indeed. However the presentation is about printing bones for educational processes, or possibly for implantation, all very sexy, I am talking about printing a customised 2-piece cast for a broken limb.

Anyone know if this has been done yet? I'm pretty sure it will have been!

Waking up an old thread because this just popped on my radar:

 http://www.slashgear.com/3d-printed-cortex-exoskeleton-concept-could-crack-plaster-casts-30288549/

I can't imagine a framework cast like that would be strong enough for an elbow or similar joint though. But as materials improve.

Probably not long before people are wearing things like that as fashion statements. Probably in black or purple at the steampunk/goth nights.

Barry

[Marcus Baw]

Hugely interesting. It would initially only really be suitable for fractures that would be CT scanned anyway as part of the orthodox medical treatment, eg knees, complex ankles etc . It would be difficult to justify the radiation of a CT or the cost of an MRI for the cast alone in those fractures that are currently diagnosed with plain xray.

But, times, ideas and current practice will change.

M

[Neville Dastur]

I wonder if it could be applied to footwear othortics. Such as pressure relieve in diabetic footwear. This is often highly customised to off load a particular pressure point on the foot where an ulcer is. 

Neville

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