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MedPhys Files
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_QUESTION
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What is the purpose of MedPhys Files?
Is FDA approval required to post files?
What is the maximum file size for uploaded files?
Are files I post automatically part of the public domain?
Can I remove files I post?
Will any of my personal information be sold or given away?
What if some lazy and/or diminished intelligence physicist copies my work?
What should I do if I find an error in a published file?
How do I upload files?

_ANSWER
What is the purpose of MedPhys Files?

Nathan Childress started this website to supplement the available online resources for medical physicists. Specifically, there was previously no centralized location for physicists to share files and presentations with other physicists. This can be very useful to young physicists, physicists in smaller clinics, physicists with new equipment, and physicists comparing their files to those at other institutions.

Is FDA approval required to post files?

Not unless you specifically state that the files are for clinical use. By default, all files are distributed under the MIT license as research or educational tools with no fitness guarantee. This means that it is the responsibility of the downloader to evaluate every file for accuracy, as well as only use files as research or educational tools.

While several types of products are exempt from FDA 510k approval, such as film dosimetry systems used as quality control of a radiation therapy system, not all are exempt from Good Manufacturing Practices (GMPs). If you have any doubt when uploading files, do not specifically state that the files are intended for clinical use. Products for research and educational uses are not regulated by the FDA, as they are not classified as "medical devices".

Links to FDA guidelines:

Is my product regulated by the FDA?

Is my product a medical device?

Specific FDA 510k and GMP exemptions


What is the maximum file size for uploaded files?

20 MB. If you have a larger file, you can either make a link to it on another website, or email me to discuss other possibilities.

Are files I post automatically part of the public domain?

Yes. Unless you specify otherwise, all files on this website are assumed to use the MIT license (below). This gives users permission to use, modify, redistribute, and even sell your files. It explicitly states that there is no fitness guarantee for your files.

You may still copyright your work. Others cannot claim that it is their own.


The MIT open source license:
Copyright (c) <year> <copyright holders>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


Can I remove files I post?

Yes. However, if they were posted with the default MIT license, it may be possible for others that have previously downloaded them to redistribute them through other means besides this website.

Will any of my personal information be sold or given away?

Absolutely not.

What if some lazy and/or diminished intelligence physicist copies my work?

Files are distributed as research and educational tools, meaning that if physicists want to clinically implement any small part of the files here they claim full responsibility. This site is no different than a research journal. These physicists would probably do a worse job by not blindly plagiarizing your material. If they used materials to falsify data, they are still legally responsible for their forgery and likely would not have done a better job anyway. Any distribution of information can be taken advantage of by rogue individuals, but I believe this is not a sufficient reason to cease distribution of information.

What should I do if I find an error in a published file?

All files are distributed without any fitness guarantee, so it is likely that they have errors. When you find one, you have many choices.

1. Email the author and notify them. Hopefully the author will correct the problem and re-upload the corrected file.

Or

2. Write a review of the file, and state the errors there. Everyone that reads the reviews will see this immediately, and both the original author and any cunning physicist that reads your review has the chance to fix and reupload the file.

Or

3. Fix the file and reupload it yourself. Unless otherwise stated, all files are distributed under the MIT license, meaning you may alter them and redistribute them freely, as long as you don't claim you authored the original work.


How do I upload files?

1. Register a username. This requires a valid email address for security reasons.
2. Click the “Add download” link on the Downloads page.
3. Fill out the requested fields. After adding each download and screenshot, you must click “Add URL or file” and wait for it to say “OK”. Your email address will be converted to an image. It will not be published as text that spam companies can easily read.
4. If you wish to use your own license file, rather than the MIT license, answer "Yes" to the "Distributed with custom license file?" question and be sure to include your license with your upload.


Unless otherwise specified, all files are distributed under the MIT open source license for research and educational use only with no fitness guarantee.
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