# Adapter to connect luer-lock infusion set to t:slim cartridge

**URL:** <https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223>\
**Category:** Pump\
**Created:** [January 29, 2020, 5:28pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223 "2020-01-29T17:28:25Z")\
**Posts on this page:** 20\
**Page:** 4

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**Author:** ![Margoriebest](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/margoriebest/32/10077_2.png) [@Margoriebest](https://forum.fudiabetes.org/u/Margoriebest)\
**Post date:** [May 8, 2022, 2:11pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/61 "2022-05-08T14:11:58Z")

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OH WOW!!!  
I am not sure why I am not getting these comments in my email, so I am so glad I came back to see if there are any updates. Thanks SO much! I am now on a mission! Sorry for all the exclamation marks .  
BTW I inserted one of my new Orbitsoft sets manually with the tube cut off just to see what it is like. It is so easy to insert, and very comfortable so I am hopeful that your solution is as good as it looks. Can’t thank you enough.

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**Author:** ![Eric](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/eric/32/9209_2.png) [@Eric](https://forum.fudiabetes.org/u/Eric)\
**Post date:** [May 8, 2022, 2:45pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/62 "2022-05-08T14:45:50Z")

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@Margoriebest,  
Get some of the marine heat shrink that @CarlosLuis suggested. That will make the connection very secure.

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**Author:** ![bkh](https://avatars.discourse-cdn.com/v4/letter/b/da6949/32.png) [@bkh](https://forum.fudiabetes.org/u/bkh)\
**Post date:** [May 8, 2022, 2:58pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/63 "2022-05-08T14:58:47Z")

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I like the tube-jammed-into-tube connection because both halves are medical-grade plastics made for putting fluid into the body. I wonder if it would suffice just to give the connection a couple wraps with a good flexible medical sticky tape, which should also be safe. …Just because I don’t know what chemicals might come out of the adhesive in a marine heat-shrink tube. I’m expressing simple fear rooted in ignorance of adhesives and plastics chemistry.

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**Author:** ![elver](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/elver/32/8772_2.png) [@elver](https://forum.fudiabetes.org/u/elver)\
**Post date:** [May 8, 2022, 3:50pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/64 "2022-05-08T15:50:15Z")

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@Eric I can also help out with the pump part of the equation if you would like …

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**Author:** ![Margoriebest](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/margoriebest/32/10077_2.png) [@Margoriebest](https://forum.fudiabetes.org/u/Margoriebest)\
**Post date:** [May 8, 2022, 3:51pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/65 "2022-05-08T15:51:52Z")

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I tried all the US sites but I couldn’t find one that posts to Australia, and couldn’t find the product on any Australian site. I found them on ebay and have ordered a box of 50.  
I would really appreciate full instructions for what you actually did. No hurry, as it will be a couple of months before I get the Vygon sets.

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**Author:** ![elver](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/elver/32/8772_2.png) [@elver](https://forum.fudiabetes.org/u/elver)\
**Post date:** [May 8, 2022, 3:54pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/66 "2022-05-08T15:54:56Z")

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@Eric , yes I can field test your Franken-fluid connector. Always happy to be your muse.

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**Author:** ![Eric](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/eric/32/9209_2.png) [@Eric](https://forum.fudiabetes.org/u/Eric)\
**Post date:** [May 8, 2022, 5:24pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/67 "2022-05-08T17:24:00Z")

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@elver ,  
I can send you back the tandem pieces you sent me that I didn’t use, as well as the micro-bore parts and some heat-wrap pieces.

That’s a much lower value package than you sending me a spare tandem pump.

I’ll have to see how many of the micro-bore pieces I have in my box of stuff. How many do you want?

I can also give you some tips on how to connect the pieces. There are some things that make it easier.

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<div class="post-metadata">

**Author:** ![Eric](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/eric/32/9209_2.png) [@Eric](https://forum.fudiabetes.org/u/Eric)\
**Post date:** [May 8, 2022, 5:31pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/68 "2022-05-08T17:31:49Z")

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> [@bkh](#):
>
> Just because I don’t know what chemicals might come out of the adhesive in a marine heat-shrink tube.

@bkh,  
The heat shrink never comes in contact with the insulin. The tandem cartridge tube fits _inside_ the micro-bore. Insulin is never exposed.

Think of it like this. If you fit the pieces together and hold them together with your hands for 3 days, would your hands ever touch insulin? If they did, you’d have a leak and that means it does not work.

In other words, all the heat shrink is doing is holding the parts together. It is not _sealing_ them. The seal comes from it being a tight press-fit.

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<div class="post-metadata">

**Author:** ![bkh](https://avatars.discourse-cdn.com/v4/letter/b/da6949/32.png) [@bkh](https://forum.fudiabetes.org/u/bkh)\
**Post date:** [May 8, 2022, 5:55pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/69 "2022-05-08T17:55:47Z")

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> [@Eric](#):
>
> all the heat shrink is doing is holding the parts together. It is not _sealing_ them. The seal comes from it being a tight press-fit.

As long as nothing from the heat-shrink marine sealant can diffuse or otherwise migrate through the tube wall to the inside, that solves my concern. (I was raised back in the era where we were taught that the human skin is an impervious barrier. Over time we learned that all kinds of things can move through this supposed barrier.)

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<div class="post-metadata">

**Author:** ![Eric](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/eric/32/9209_2.png) [@Eric](https://forum.fudiabetes.org/u/Eric)\
**Post date:** [May 8, 2022, 9:31pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/70 "2022-05-08T21:31:23Z")

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@bkh,  
I don’t use a tubed pump, but I’d feel very safe using this setup.

Heat shrink is meant to be inert. And it’s meant to last. I don’t see any way that it would leech into the tubing. Especially when it’s a 3-4 day length of time.

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<div class="post-metadata">

**Author:** ![pbloom209](https://avatars.discourse-cdn.com/v4/letter/p/41988e/32.png) [@pbloom209](https://forum.fudiabetes.org/u/pbloom209)\
**Post date:** [May 9, 2022, 12:44pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/71 "2022-05-09T12:44:30Z")

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> [@Eric](#):
>
> @

Can you give details of the joining of the tubing. Thanks

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<div class="post-metadata">

**Author:** ![Eric](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/eric/32/9209_2.png) [@Eric](https://forum.fudiabetes.org/u/Eric)\
**Post date:** [May 9, 2022, 2:27pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/72 "2022-05-09T14:27:07Z")

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> [@pbloom209](#):
>
> Can you give details of the joining of the tubing.

Yes. I can make a video. It will be easier to demonstrate with a video.

But it will be next week, I won’t be able to do it this week.

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<div class="post-metadata">

**Author:** ![pbloom209](https://avatars.discourse-cdn.com/v4/letter/p/41988e/32.png) [@pbloom209](https://forum.fudiabetes.org/u/pbloom209)\
**Post date:** [May 10, 2022, 1:56am UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/73 "2022-05-10T01:56:36Z")

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Hi Eric  
Would you have a couple spare and some of the tape so I can investigate the ease and determine if it is a pathway I want to pursue.  
I can send you the price of the items and post.

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<div class="post-metadata">

**Author:** ![Eric](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/eric/32/9209_2.png) [@Eric](https://forum.fudiabetes.org/u/Eric)\
**Post date:** [May 10, 2022, 4:54am UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/74 "2022-05-10T04:54:41Z")

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> [@pbloom209](#):
>
> Would you have a couple spare and some of the tape so I can investigate the ease and determine if it is a pathway I want to pursue.

I think so. But I’ll have to check my supplies when I get back and see how many I have left.

You mean send you the Luer lock connector and heat shrink? You already have the infusion sets, right?

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<div class="post-metadata">

**Author:** ![pbloom209](https://avatars.discourse-cdn.com/v4/letter/p/41988e/32.png) [@pbloom209](https://forum.fudiabetes.org/u/pbloom209)\
**Post date:** [May 10, 2022, 5:28am UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/75 "2022-05-10T05:28:56Z")

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i have infusion sets etc.

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<div class="post-metadata">

**Author:** ![Margoriebest](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/margoriebest/32/10077_2.png) [@Margoriebest](https://forum.fudiabetes.org/u/Margoriebest)\
**Post date:** [May 10, 2022, 9:10am UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/76 "2022-05-10T09:10:18Z")

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I will make sure I have some ready for when I receive the connectors.

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<div class="post-metadata">

**Author:** ![Eric](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/eric/32/9209_2.png) [@Eric](https://forum.fudiabetes.org/u/Eric)\
**Post date:** [May 10, 2022, 4:54pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/77 "2022-05-10T16:54:20Z")

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> [@pbloom209](#):
>
> i have infusion sets

@pbloom209, tell me what you are trying to do so I can make sure we are on the same page.

Are you wanting to connect your Tandem cartridge to a Luer lock compatible infusion set? What type of infusion set are you trying to use?

Thanks!

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<div class="post-metadata">

**Author:** ![Eric](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/eric/32/9209_2.png) [@Eric](https://forum.fudiabetes.org/u/Eric)\
**Post date:** [May 10, 2022, 4:57pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/78 "2022-05-10T16:57:46Z")

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Same for you @Margoriebest. My solution works for anything that uses Luer lock. For other infusion sets, like the Medtronic or whatever, that don’t use Luer lock, my solution won’t work.

When I am back from traveling I can see about getting you guys a video demo and a practice adapter so you can try it and see if you want to go this route.

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<div class="post-metadata">

**Author:** ![pbloom209](https://avatars.discourse-cdn.com/v4/letter/p/41988e/32.png) [@pbloom209](https://forum.fudiabetes.org/u/pbloom209)\
**Post date:** [May 10, 2022, 8:49pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/79 "2022-05-10T20:49:11Z")

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Hi Eric  
Yes connect tandem cartridge to leur lock infusion.

I like to use the Roche flexilink

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<div class="post-metadata">

**Author:** ![Eric](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/eric/32/9209_2.png) [@Eric](https://forum.fudiabetes.org/u/Eric)\
**Post date:** [May 10, 2022, 10:23pm UTC](https://forum.fudiabetes.org/t/adapter-to-connect-luer-lock-infusion-set-to-t-slim-cartridge/9223/80 "2022-05-10T22:23:34Z")

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> [@pbloom209](#):
>
> Yes connect tandem cartridge to leur lock infusion.

Okay, great! I think this will be a perfect solution for you.

Remind me next week and I can help you out with everything.

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