Caution- amazon 3ml pen vials
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@MyB Thats unfortunate. If they don't take returns clave them in a pressure cooker.
I should mention I spent a small fortune figuring out who actually claves these and there's a few companies or resellers that produce the "sterile bags" that wont change color when steam is applied. Im not sure how much money that saves them but it cant be much.
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Just a friendly reminder that some things on Amazon are unsafe. Got a batch of 3ml pen vials to review this week and they have not been processed. Which means the are not sterile.
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@Randy I know this sounds naive, new to all of this and to pen needle injectors, but we have a pretty nice Tuttnauer clave in our clinic. Can I recycle old cartridges by carefully washing them and throwing them in there? Will it affect the rubber plungers and plugs?
@mattclayton i would not but i know they do in India...
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Another Nub question, but the sterilization the package is confirming is the outside of the vial? So would the inside already be sterile? And if so would using an alcohol wipe on the outside take care of the sterilization of the outside issue?
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@jacobferguson the bottle and stopper are inside the sealer package. The package is then ran through an autoclave. If processed properly the color change square turns from blue to black. The stopper/plunger does come out during processing due to pressure. When the package is completely dry the stopper is pushed back into the vial through the package. If the item has been properly sterilized in an autoclave it is sterile inside and out.
As soon as you remove the vial from the sealed package the exterior is exposed to air and becomes unsterile, so you clean to top with alcohol every time you insert a needle into the end, either for filling or for use once filled. -
@jacobferguson the bottle and stopper are inside the sealer package. The package is then ran through an autoclave. If processed properly the color change square turns from blue to black. The stopper/plunger does come out during processing due to pressure. When the package is completely dry the stopper is pushed back into the vial through the package. If the item has been properly sterilized in an autoclave it is sterile inside and out.
As soon as you remove the vial from the sealed package the exterior is exposed to air and becomes unsterile, so you clean to top with alcohol every time you insert a needle into the end, either for filling or for use once filled.@MyB ok this makes sense and helps my understanding. Thank you!
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https://a.co/d/0fuIWg7V
I bought these hope they are ok. Not sure how to tell? -
I’ve gotten vials from a half dozen Amazon vendors to review recently. All the ones with the half circle cut out tab are suspicious to me. The color change area is shiny like ink, like it’s been printed. It doesn’t run with water either. The ones with an elongated cut out tab, and I know area validly processed, the color change areas get lighter if you get it wet.
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I swear I'm just gonna buy me a used autoclave, buy everything in bulk and start sterilizing the cartridges myself.
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