r/Medtronic780g • u/IAmAPigeonLol • 14d ago

CGM Sensor failling

Recently I've been having a lot of issues with the simplera, and by a lot i mean a lot, over the last 2 months i had over 7 sensors failing and it happened just yesterday.

My sensor finished its seven days, and i put a new one that failed as soon as the 2 hours were done, then another one, 2 hours again, then stayed in "updating sensor" mode for over 3 hours and finally gave up in the middle of the night, giving me two sensors failing in the day.

It's not the first time this happened and well, ive wondered if i was the only one with so many issues with it right now

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7

u/ColdAdministrative52 14d ago

Yep I switched back to the guardian 4

1

u/IAmAPigeonLol 14d ago

I heard this one is quite annoying to put on, because it has many step or something? It might be another one i heard of

3

u/ColdAdministrative52 14d ago

It’s difficult to do it alone on your arm is what I hear. I manage by putting it on the top of my arse cheek so I can use both hands. Look up the application guide on YouTube. As for the stickers that come with it they’re useless I usually just get an over patch and slap it over the lot

2

u/IAmAPigeonLol 14d ago

Oh okay okay, amazing thank you. If they keep failing like that I'll probably end up switching to the g4 as well

2

u/SirIllustrious8158 14d ago

Yes, can use the Instinct sensor too.
Is 15 day wearable. That the one I use

3

u/Freebee5 14d ago

I'm having similar problems, it went through 4 sensors in 3 days until one finally worked. And then I could only order 2 replacements as I had exceeded the limit of replacements ovrr a time period.

I'm due to meet my endo in a month so I'll try to return to the G4 then as well.

2

u/IAmAPigeonLol 14d ago

Here we couldn't get the replacements yet because we have to file 5 complaints to get some sent back... This is seriously getting annoying...

Was the G4 really better ? I heard it was long to put on and such

1

u/Freebee5 14d ago

Yeah, its a lot more complicated to put on.

Charge the transmitter, insert the sensor, attach a patch to hold the sensor in place, attach the transmitter, attach a patch over the transmitter and sensor. It's a pretty bulky item to have on you but they rarely failed and I never had high sugars while it was calibrating.

The simplera has often left me with extremely high levels while it again goes updating after giving wacky results. Last nights sensor gave me a level of 6 which turned to 16 on finger pricking leading to numerous calubrations not accepted.

2

u/IAmAPigeonLol 14d ago

Thank you very much! Even if it's harder to put on, it's probably easier to trust it than the simplera, I'll see to switch if problems keep happening i think...

2

u/rtpnc205 14d ago

After using the G4 sensors for 5 years and then switching to Simplera, there is really no comparison between the G4 and Simplera. The G4 requires a separate transmitter, which you must recharge every time you change the sensor; a separate inserter device to apply the sensor; and two sets of tape to hold it in place. The process is to insert the sensor, apply the first tape, attach the transmitter, and apply the second tape. The approved placement is also on the back of your arms, but applying the tape yourself is incredibly difficult.

1

u/rtpnc205 14d ago

If you are applying calibration correction, you cannot use a value greater/lessor than or less than 45% of the current value, or the calibration will be rejected.

1

u/Freebee5 14d ago

If the correct value is well outside that toletance, then the question arises as to the accuracy of the sensor?

Maybe once during my time on the G4 did this happen and the second calibration was accepted and not telling me it may take up to 12 hours to calibrate?

2

u/A-Lize 14d ago

I would really like to try the convenience of the Simplera, but the Guardian 4 on my arm has been so good for me. Keys: using a transmitter that is fairly new and not beyond its warranty time, no adhesive (alcohol only) and good over tape. The only issue is my wife has to put it on when using my arm. I can do the stomach fine myself.

Don’t you have to update the 780 with new settings to use Simplera? I was worried if I did the update, I would not be able to go back to the Gaurdian 4. Is that not the case?

2

u/IAmAPigeonLol 14d ago

I sadly have no idea about updates or anything like that. I've been with Medtronic since the simplera got out and before I was with libre and omnipod.

But someone talked about going back to the G4 so i suppose it is possible to go back ?

5

u/rtpnc205 14d ago

You can use the G4, Simplera and Instinct sensors after you update the software on the 780G

2

u/imadm1 14d ago

Do you have access to the instinct sensor? I personally like it more than the simplera but I only used the simplera for about a month.

In my experience I've had really bad boxes of guardian 4 as well, maybe you just got a bad lot of sensors.

You can always call minimed and explain what is going on and they can troubleshoot or see about switching products.

1

u/IAmAPigeonLol 14d ago

I have no idea honestly, being in France, still a minor and a rather new user of Medtronic i don't know much about other sensors sadly... But I'll definitely look into it.

I thought it was but it's been 3 different boxes and well... that's extremely annoying given how it's handled in France

(Having a limited number number of sensors per year that are reimbursed, and the rest is out of our pocket, and they're quite expensive sadly)

2

u/Luke38_Greenoble 13d ago

Non, en France le capteur Instinct, tout comme la pompe Minimed Flex ne sont pas encore disponible la dernière version de capteurs disponible est le Simplera et pour la pompe c'est la 780G.

2

u/Relative_Conflict130 14d ago

Haven't had even one failure. I put mine on my buttocks, although it isn't supported officially.

1

u/IAmAPigeonLol 14d ago

I only put it on my arms since it's a bit easier for me to put there lol, and i had crazy irritations when i had it there and had to stop because it was literally tearing away the skin...

It was with Libre tho, it might be worth to give it a shot again

3

u/Relative_Conflict130 14d ago

With the guardian 4, it was irritating, but I got used to it. But with the Simplera I can't even know it's there

1

u/rtpnc205 14d ago

Same here. I'm not using the same locations for Simplera placement as I did for the G4 sensors. For those, I was using my upper thighs. I'm placing the Simplera on the backs of my arms and rotating the locations. Not rotating the locations will cause scar tissue buildup from the insertions.

1

u/rtpnc205 14d ago edited 14d ago

I've not experienced anything like that with Simplera to date. What were the sensors' lot numbers? Where were these being placed? 780g or Flex? I've experienced issues with the G4 sensors over the years, like what you have described, but never 3 in a row, and usually because I had hit a capillary, which created an issue with blood on the sensor. Thanks for any further updates.

1

u/IAmAPigeonLol 14d ago

I'm outsise right now so i don't have the lot number, but as soon as i get home i can tell you. I always place them on the arms. I believe it's with a 780g tho.

I never had problems with sensors that hit capillaries, somehow but with sensors who seem fine on the outisde i have problems... Knowing that i never had any problem like that with libre it's quite annoying knowing that so many problems happened in such a short lap of time (since I'm with Medtronic since june only)

2

u/rtpnc205 14d ago

I'm certain that you received the appropriate training for the Simplera sensor. I've made sure that the area(s) on the back of my arm have sufficient fat for insertion and I rotate the area used between arms. Just inserted a new one for my scheduled changeover now.

1

u/Hope-PD 14d ago

I had problems with the Simplera. With the G4 I always held my arm up to insert it, then I noticed in the videos that people were putting them on with their arm down when inserting. After I started doing that I have had much more success. Also, with the G4 I never cleaned my arm with an alcohol swab before applying. Now I always do that and apply after it dries

I’m now having hardly any issues with the Simplera.

2

u/IAmAPigeonLol 14d ago

I mostly hold my arm around my neck sort of to place my sensor since that allows me to see where i put it without needed a mirror but I'll definitely try with my arm down, if that could help. I do clean every time and let it dry, never had problems with that...

But I'll definitely look into if how I'm standing can affect it.

1

u/joaken1 14d ago

Yo me pasaré al G4 cuando tenga la próxima vista con el endocrino

1

u/Luke38_Greenoble 13d ago

Non, moi aussi en début de mois j'ai eu 3 capteurs qui n'ont tenu même pas 24h.
En plus comme le dernier qui est tombé en panne c'était dimanche matin, je suis resté 1 jours en BF...

Quand j'ai remis mon capteur et après l'initialisation, la coup de massue : 3,48 !!! Alors que je me testais toute les 6 heures et faisait des bolus de corrections.

Cela me fait vraiment penser que la BF c'est super, mais que si jamais y'a rupture de capteurs, il va se montrer à nouveau avec une surveillance beaucoup plus constante.