h a l f b a k e r y"It would work, if you can find alternatives to each of the steps involved in this process."
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I haven't seen a needle with a ruling on it, yet I have read a study saying they researched the difference between a 1/4 inch and a 1/2 inch penetration depth and could now refer the new 1/4 inch for approval.
It seems like practitioners, and particularly developing world medical people could benefit
from putting depth lines on hypodermic needles.
Who knows, perhaps it moves the efficacy 5% That is big when you consider an entire country.
Depth stop for punctures.
https://www.ted.com..._moments_in_surgery
[2 fries shy of a happy meal, May 08 2018]
Prior art
http://medent.usyd....20annulirostris.htm
[spidermother, May 11 2018]
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Annotation:
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What is this "inch" you refer to ? |
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// when you consider an entire country. // |
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Giving an entire country an injection sounds like a challenge, although it is possible to give an entire country an enema once the national anus has been located. In the case of france, this is comparatively easy. |
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This is not, in fact, an entirely stupid idea. It also eschews
the use of "at". Hence [+]. |
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What would you propose as the material of choice
for the marks? |
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8th, doesn’t it occur to you that with 1/4”
markings, there would be fewer gradations than
with 1 mm markings, causing the injectee to panic
less as it plunges ever deeper? |
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Oh, what am I saying, of course you have. Must
remember with whom I am talking. |
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Doesn't sound dispractical. Could be a confeasible
nonunilantiintelligent idea. |
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Depth markings on other types of needles such as biopsy needles appears to be known (from a quick Google search). |
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I couldn't find anything for normal hypodermic needles. However, I think what might be more practical would be a depth stop rather than depth markings. |
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<looks at the steel ruler I bought last year, one side metric, other side inches> Yep. there are still people who are on feet and inches. |
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[+] for two explicable and good ideas |
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//what might be more practical would be a depth stop//
Actually, that's a good point. If a needle is meant to
penetrate to a depth of 8mm, why not use an 8mm long
needle? |
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(+) Depth stop after puncturing skin or bone is a huge problem. |
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Cool TED talk by the guy who figured out the solution. [link] |
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It was hard to find. You'd think it would be at least one of the hits for the word 'needle'. |
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simple[+] The downside is that the most painless jab is a fast one, and it takes experience to learn that. A doctor trained to slowly push in to the right mark will be giving painful shots his whole career. |
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//what might be more practical would be a depth
stop// |
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What about a needle whose length is adjustable? Just dial or
otherwise adjust it to the appropriate measurement and jab
away without having to think about it. |
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//jab away without having to think about it // |
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But that's what medics do anyway ... |
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Everyone is different. There still has to be some individual patient referencing to know what the marks mean. |
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