Dermarolling / Microneedling / Subcision-suction method for acne scars
« on: May 15, 2012, 04:21:52 PM »Arachne;3546 wrote: Hi Boafriend. Yes, the corks have to fit onto the pump in such a way that there is no air leakage possible. There are two places that must be absolutely airtight: the join between cork and pump, and also the join between skin and cork. If there's even a tiny gap anywhere in those two places you will not be able to produce a vacuum. Another thing is that you have to press hard all the time while you are pumping. Dewydewey's comment about the bicycle pump is exactly right. That's what it reminded me of too. It's a matter of luck whether your wine pump will work, as it depends on its design. I had another type of pump which did not work because the corks are not designed to fit onto the pump in the same way: you simply position the pump over the top of the cork and press down to form a seal. That's fine for wine bottles standing upright on a table, but it doesn't work for our purposes because you can't exert the necessary pressure when you try to press horizontally against your face. So it's important to get the right kind of pump.
Yeah the way these corks fit into the pump look similar to the designs we've been seeing but I'm wondering if it's the fact that these corks are rubber that's preventing them from really staying in firm place in the pump. =/ Maybe I'll try looking for a different one today. I'm guessing I should look for a pump in which the corks included are made of perhaps plastic or metal?