# Anyone ever fill omnipod using HumaPen Luxura HD? **URL:** \ **Category:** Pump\ **Tags:** omnipod\ **Created:** [December 15, 2019, 6:25pm UTC](https://forum.fudiabetes.org/t/anyone-ever-fill-omnipod-using-humapen-luxura-hd/8896 "2019-12-15T18:25:46Z")\ **Posts on this page:** 1\ **Showing post:** 18
**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:** [December 20, 2019, 4:19pm UTC](https://forum.fudiabetes.org/t/anyone-ever-fill-omnipod-using-humapen-luxura-hd/8896/18 "2019-12-20T16:19:12Z")
> [@MisterMints](#): > > Did you create a new thread for this? Struggling to find it. Yes, is this the one you were looking for? > [@Filling pump from insulin vial - negative pressure trick](https://forum.fudiabetes.org/t/filling-pump-from-insulin-vial-negative-pressure-trick/8901): > > This topic came up on an OmniPod thread, but it can benefit any pump user, so I am putting it in its own thread… Any liquid contains gases dissolved in it. So for example, if you put 1ml (100 units) of insulin in your pump, a very small amount of the volume you are putting in is not insulin, it is just dissolved gas. William Henry was a 19th century English chemist. Henry’s law states: The amount of dissolved gas in a liquid is proportional to its partial pressure above the liquid. [image] … --- _[View the full topic](https://forum.fudiabetes.org/t/anyone-ever-fill-omnipod-using-humapen-luxura-hd/8896)._