Interesting question. My guess would be no. I know they refurbish returned pumps, and use as replacements for existing under warranty failures. I had 523 fail last year, and they could only send 723 as replacement.
Thanks Terry. Believe it or not, I’m on my third 670G from Medtronic. I got the first one less than a year ago. I was super excited initially. I was having lots of trouble with the Enlite sensors and when Medtronic “offered” to “upgrade” my 530 for this one, I took the bait. I paid $800 to replace my old pump and had to give it back to Medtronic. I had no idea that the 670G would be a refurbished product. Warranty ends on December 12th. So ready to end my relationship with Medtronic. Customer service always great but so tired of talking to them!
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My 670G requested three BG updates during the night which I satisfied by simply inputting the last BG on the screen. When I woke up in the morning, my pump showed 116 and my finger stick reading was 119.
In spite of the somewhat annoying alarms, I have no interest in switching out My 670 G.
I’ve had one for about 18 months now. I’ve mostly stayed in auto mode. It works, but I haven’t gotten marked improvement. I was already below 7 a1c and it’s stayed at 6.7-6.9. But I’m not rollercoastering quite as much.
I’ll say, I wish it would correct more quickly and then back off. No one wants to come down from hyper over the span of 3-4 hours. I wish it was a bit more agressive in allowing stacking. And I understand that’s partly my not super strict diet, and my diaversary 29 years with t1.
I wish it didn’t require 4 calibrations the first day of the sensor life. It makes that first night miserable, but then that goes back to 2 per day and I find it super accurate most of the time. I’m on my second transmitter. I’m also on my second pump. The first one got humid and the buttons puffed up and became inoperable. That was interesting…I was wearing and it was giving me microboluses, it but couldn’t Wizard bolus. 
Medtronic has always been great with fixing stuff that breaks. They overnight a pump and just ask you to send back the broken one.
I’ve seen people post results from Riley link and it looks incredible, but I’m okay with keeping my 670G, because I get those covered 100% with my insurance. Medtronic is our only covered pump brand.
Adding, I did take about a month off automode recently and it was pretty nice to have dual wave back…but I started peaking too high and dropping too much again.
I actually think my insulin sensitivity dropped while using automode so it completely wrecked my old basal rates and carb ratios!
When I want to bring my BGs down quicker, I go to Reservoir/tubing and click on fill cannula and set my amount at ten units and fill.
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I will say this again, this pump is a lot of work. Might be too much work for most of us, because we want easier not harder. But I know many who are using this system and they are now very happy with the results. The problem for everyone of them was how much work it was and how long it took. The alarms were brutal, the calibration loop was a nightmare and getting kicked out of auto (which is why most signed up for this system) was ongoing.
I just think a 6+month investment is a lot of time. Time I just don’t have. That being said, those people who are having great success are probably thrilled to have it working and doing what it doing for them.
I think sometimes waiting to see what happens with any new technology is always a good move. Or participate is a clinical trial to see first hand. When the next Tandem download rolls out, I might wait to see, but I gotta say, I might be one of those who jump in. I want easy!!! I want to think less about my diabetes!!! And if there is a system that can do that, I want in ASAP! I know the cure will probably not happen anytime soon, but easier is a doable thing!
So those 670g users who are loving their system finally, enjoy all your hard work. Now you can sit back and enjoy the fruits of your hard work and all your tricks will help those who follow you! Thanks!
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