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.002 actually.
My bad.. .002 is what that study used. Apparently the CV is approximately. 125. At least according to a quick google search.
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.002 actually.
I just don't understand this. I did see the stories with pictures too.
I've been using N95 masks at work for as long as they have been around and I have not seen this bruising on myself or any of the other dozens and dozens of other insulators ( what I do for a living).
We wear them all day too. Sometimes for 10-12 hour shifts.
The newer style N95 masks have a air valve that allow for easier air flow.
The half face respirators have a better and tighter seal and even these don't cause bruising.
Having said this, I agree that masks need to be worn when out in public.
Even a few layers of cotton is going to be a better option than none at all
Oh, I'm not denying the straps do cut into your skin, pull on your ears, make dents in your face and just hurt after hours of keeping one on. I was just surprised at the pictures I saw of bruises. Looked like a fight had broken out.Ours do not have the air valve... probably because under normal conditions a nurse doesn't wear it very long so it's not needed and adds to the cost. Normally we just throw it away after every patient for infection control but now we save it.
Plus we have to wear a regular or lvl 3 mask over the N95 to keep it clean and then a face shield over that... so now we have all these multiple layers and straps on our heads and ears all pushing on the same area.
Not sure what to tell ya...after two hours I had lines on my face...the larger N95 failed my fit testing. Only the tighter one passed at keeping air out
My ears hurt like crazy from the straps on regular masks too that we have to wear over the N95. We are now using paper clips and such to hook them in the back and off our ears.
I have seen scuba gear used with a full head masks at the store.I'm thinking of wearing my snorkel mask with a filter sock tied over the air intake of the snorkel. That way I have both filtered air, an air tight fit so all air I breath is filtered and it's a mask that protects my eyes! OK, maybe that's a bit over the top, but if the threat level where I live keeps going up...???

Hospital staff are having a hard time getting masks gloves and other PPE to treat sick pts because are using them to garden or play basketballIt’s not going to help as it’s not fine enough. People wasting PPE is killing me. They’re out there gardening with a mask on, as if this virus is just floating around in the ether. Some neighbors were playing basketball with gloves on, then went to take a drink with the same gloves, butting the container up to their lips. I tried to tell them that they’re just wasting gloves because if they had contacted it with the gloves, they just ingested it. Even the best made PPE available doesn’t do anything if you don’t follow proper protocols to make it effective. They’re all acting like you absorb this thing through contact with your skin.
I have seen scuba gear used with a full head masks at the store.
This is a bit more manageable.I know the one you mean. I've seen a couple people use them. Personally, for snorkeling, I don't like the 'fixed' snorkel angle. But they might make killer masks for use against COVID-19.
Ours do not have the air valve... probably because under normal conditions a nurse doesn't wear it very long so it's not needed and adds to the cost. Normally we just throw it away after every patient for infection control but now we save it.
Plus we have to wear a regular or lvl 3 mask over the N95 to keep it clean and then a face shield over that... so now we have all these multiple layers and straps on our heads and ears all pushing on the same area.
Not sure what to tell ya...after two hours I had lines on my face...the larger N95 failed my fit testing. Only the tighter one passed at keeping air out
My ears hurt like crazy from the straps on regular masks too that we have to wear over the N95. We are now using paper clips and such to hook them in the back and off our ears.
I'm seeing Facebook groups start up that are for getting patterns and people making and distributing cloth masks.
A couple guys in my trade that have access to sewing machines are making them and passing them out.
I'm a RT(R) and have been at the same hospital for 32 years. Perhaps I can help?
I saw a picture on reddit and immediately copied it for myself so that my ears can have a break. I wear a cloth surgical cap at work. Sew a button to your cap just above each ear. Hook the elastic from the standard surgical mask on the buttons to give your ears some relief! I did and it works great.

