I have not, Barry, but it sounds as if the design is intended to prevent "hacking." You can ask your pharmacist to set you up with insulin needles and 'trex vials as an alternative. With these you can control your dosage exactly. I do keep the autoinjectors at hand, though, for when I'm out in public. Less obvious than shooting trex with an exposed needle. Sorry I couldn't help more. God bless. lance

By the way, not sure you've seen this thread yet, but it might help...

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Ok, so I assume they're talking about the ones made by Caraco.  I have to wait until Tuesday to call my new neuro get him his office to call my insurance company to get an override to allow me more shots every month (they only allow 4 per month - fun!) and when I get more I'll dismantle one and take pictures.  I'm not very handy with tools and such, but I  have a Dremel tool I can use.

Marsik,
Many of us have achieved abort with only 2mg, which is 1/3rd.  Trial & error, to each his/her own.

-Gregg in Las Vegas

Marsik,
You can experience it now with the autoinjector units we are discussing on this thread.  Read above of what I posted how I hacked into one of these. 

If you can be patient, do it while not in CH attack, and have a multi tool or needle nose pliers, you can do it before you get the vials making most use of your trex.   

-Gregg in Las Vegas

The plastic vial.

Took the pen apart on the onset of ch. Bad timing, I know but I just somehow decided to go for it in agony. I think I injected half or maybe a tiny bit less than half with a qtip. Usually I get the relief within 5 min 15 min max, well it didn't happen this time.

I decided to give it some time and of course I chose not the best timing for that either...With no one else in the house to help, I, with half open tearing eye, ended up half-consciously giving my little one her evening bath and going through her bedtime routine (l read "goodnight moon" with ch, i think that's kind of impressive. Well, at that time I didn't think this way, I was just hoping not to pass out from pain)

After I put my daughter to bed, maybe 30 min after the first injection, I decided to inject the rest of the medicine. I thought of injecting less, e.g. like additional 1/4 of the vial but the pain just took over me and i decided not to continue with the experiment this time. So I ended up getting the full dose. 15 min later my pain subsided and I fell asleep.

Not sure why the smaller dose didn't work. It could be that I injected the first half late as ch progressed while I was cutting the pen or maybe smaller dosage just doesn't work for me. I'm thinking/deciding if I should continue experimenting with dosage or not. Poking myself with a needle twice kind of sucked too. I really wanted to save $ badly and paid for it with some self-torture.

Oh, if anyone needs detailed instructions how to break into the pen and release the vial I can post some pics of where i cut the pen (i used bread knife as a saw and kitchen scissors). The vial extraction was a success. Only I would not know how to store the remainder of unused medicine. I wonder if putting the needle protector back is a bad idea or if it's better/obligatory to use a sterile needle cap? Would it need to be put in the fridge or something.

Got a prescription for O2 today.  I'm working on getting the equipment. Dealing with / finding cure for CH is like a science project.

Pic 2.

Once cut the pen into 2 pieces you won't be able to get the vial out.

I used kitchen scissors to make cuts on the plastic container that surrounds the vial. After that you'd need to remove the needle cover and retrieve the vial.

Hi Marsik,
Great photos. Thanks for sharing with us!

-Gregg in Las Vegas

Oh, it is actually easy, if you read through the steps and look at the pics.. I actually did it when CH was starting

1. Cut the pen in half (as shown) with a bread knife.
2. Use scissors to make cuts on the plastic container (as shown in pic 2), take the needle cap off and release vial.
3. Now you can use inject medicine with a qtip (pic 3). Qtip will be pushing the medicine out (pic 3)

Since this experiment I've ordered vials, not auto-injectors, and will be using those.

You can practice on the used pen too first

also, have them ready, because you wouldnt want to be trying to do this during a hit.  practically impossible.