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View Poll Results: What would be your ideal unit increments for your fast acting pen? | |
2 Units but could do with more.
|    | 2 | 4.55% | |
2 Units
|    | 0 | 0% | |
1 Unit
|    | 10 | 22.73% | |
0.5 Unit
|    | 18 | 40.91% | |
0.5 Units but 0.25 Units (or less) would be good.
|    | 14 | 31.82% |
 | | 
04-20-2008, 11:31 PM
|  | Senior Member
I am a: Type 1 | | Join Date: Jan 2008 Location: Kansas, US
Posts: 1,097
| | Quote:
Originally Posted by Funnygrl  1 unit drops me by 70 | If you don't mind my asking: How much do you weigh, anyhow?!
(If you do mind my asking: I'm now in big trouble!)
__________________
Eddy
DXed 2007/04 = advanced-stage DKA, A1c of 12.9%, and BMI of 21.3
post-DX A1c = 5.4% @ 2008/07; 5.2% @ 2008/04; 5.3% @ 2007/12; 5.3% @ 2007/08
c-peptide = 0.0% @ 2008/07
current BMI = 26.0 (86kg on 182cm); want to get back to 23-24
basal = NPH and Levemir, ~35U daily (I really should start a thread)
bolus = 1:15 I:C ratio; varying mix of aspart, human R, human N
not a low-CHO eater... not even close!
last updated 2008/11/03
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04-21-2008, 04:40 AM
|  | Senior Member
I am a: Type 1 | | Join Date: Aug 2007 Location: UK
Posts: 565
| | 1 unit drops me 5.5mmol/L (100 mg/dl) and i weigh 64kg, d*mmit those 0.5 people are winning  . I need my 0.25u 1.3mmol/L (24.73 mg/dl) corrections  . |
04-21-2008, 05:19 AM
|  | Senior Member
I am a: Type 1 | | Join Date: Dec 2006 Location: Hastings Melbourne Australia
Posts: 3,110
| | Would be fair to say that if you have small doses then the half and even smaller increments are needed?
I take too much insulin to benefit from having small increments like 30U Bolus is indeed large. so to have 31U would be what, Just 0.3% more. Not much of a difference.  |
04-21-2008, 05:45 AM
|  | Senior Member
I am a: Type 1 | | Join Date: Jan 2007 Location: UK
Posts: 887
| | | I'm just wondering if part of the problem is 'how do you make a pen mechanism THAT fine?'. It could purely be an issue of mechanical engineering. Pens are made to a cost, and i wonder if the nuts and bolts side of things make it prohibitively expensive? I know that a pump will do 1/20th of a unit for bolus (and finer still for basal, I believe my Animas is capable of a delivery of 0.00125 units (minimum basal of 0.025u per hour, and it delivers that split into 20 even doses i.e. 0.00125 every 3 mins). However, that costs lots and has a precision motor / feedback from the motor as to exactly where the plunger is so it's possible. I wonder how possible it it to get accurate small doses in the confines of a pen?
Gary
__________________
A poem about my Wonderously Wanton Basal (WWB)and it Felicitous Flirtations (and how I tamed its Wicked Ways)
...And through the night it's love is free
It whispers and it flirts with me
And then it takes me, hard and deep
Rolls over, farts and falls asleep
And I would wake up, feeling used
My body broken, bent, abused
But now I match it, hump for hump
I give it plenty with my pump 
Pumping with Apidra in my Animas 2020 since April 2008
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04-21-2008, 06:01 AM
| | Senior Member
I am a: Type 1 | | Join Date: Sep 2004
Posts: 5,810
| | Quote:
Originally Posted by Eddy If you don't mind my asking: How much do you weigh, anyhow?!
(If you do mind my asking: I'm now in big trouble!) | I weigh a lot. I'm 6 feet tall and strong and fat all in one. And we'll leave it at that. |
04-21-2008, 10:47 AM
| | Senior Member
I am a: Type 1 | | Join Date: Jan 2008 Location: Kansas, US
Posts: 1,097
| | Quote:
Originally Posted by Funnygrl I weigh a lot. I'm 6 feet tall and strong and fat all in one. And we'll leave it at that. | Hunh. I thought insulin sensitivity was based on mass and conditioning. Evidently there's more to it than that. Or you're conditioned enough that you're twice as sensitive as someone who's just a teeny bit shorter than you. Interesting. Thanks.
__________________
Eddy
DXed 2007/04 = advanced-stage DKA, A1c of 12.9%, and BMI of 21.3
post-DX A1c = 5.4% @ 2008/07; 5.2% @ 2008/04; 5.3% @ 2007/12; 5.3% @ 2007/08
c-peptide = 0.0% @ 2008/07
current BMI = 26.0 (86kg on 182cm); want to get back to 23-24
basal = NPH and Levemir, ~35U daily (I really should start a thread)
bolus = 1:15 I:C ratio; varying mix of aspart, human R, human N
not a low-CHO eater... not even close!
last updated 2008/11/03
|
04-22-2008, 05:30 AM
| | Senior Member
I am a: Type 1 | | Join Date: Dec 2006 Location: Hastings Melbourne Australia
Posts: 3,110
| | Quote:
Originally Posted by Funnygrl I weigh a lot. I'm 6 feet tall and strong and fat all in one. And we'll leave it at that. | LOL Funnygirl, You're not alone as we just make sure that we cover the insulin and DO NOT FALL LOW!!! 
Now where is that cure.  |
04-22-2008, 05:42 AM
| | Senior Member
I am a: Type 1 | | Join Date: Aug 2007 Location: UK
Posts: 565
| | Quote:
Originally Posted by Gary_W I'm just wondering if part of the problem is 'how do you make a pen mechanism THAT fine?'. It could purely be an issue of mechanical engineering. Pens are made to a cost, and i wonder if the nuts and bolts side of things make it prohibitively expensive? I know that a pump will do 1/20th of a unit for bolus (and finer still for basal, I believe my Animas is capable of a delivery of 0.00125 units (minimum basal of 0.025u per hour, and it delivers that split into 20 even doses i.e. 0.00125 every 3 mins). However, that costs lots and has a precision motor / feedback from the motor as to exactly where the plunger is so it's possible. I wonder how possible it it to get accurate small doses in the confines of a pen?
Gary | I guess the bigger issue is that they may not make an awful lot of money out of it as the market for such a device is small I would imagine, unlike a pump which is marketable to every diabetic. I definitely think it’s a combination of all of these factors, which sucks for people like me  . |
04-22-2008, 10:24 AM
| | Member
I am a: Type 1 | | Join Date: Jan 2008 Location: London UK
Posts: 268
| | Quote:
Originally Posted by Funnygrl The problem with 0.25 unit increments is if you want 10 units it takes 40 clicks to get there. The max dose on the pen would need to be like 15 units.
0.5 would be ideal because you can get fine enough increments while still able to dial higher doses.
Actually, a pump is ideal | i hear what you're saying but couldnt you just have 2 different pens and you could use whichever suits your needs best on a given occasion?
__________________  Lizzie
|
04-22-2008, 12:05 PM
| | Senior Member
I am a: Type 1 | | Join Date: Aug 2007 Location: UK
Posts: 565
| | Quote:
Originally Posted by Lizzie G i hear what you're saying but couldnt you just have 2 different pens and you could use whichever suits your needs best on a given occasion? | I think it would be better to change the feeling of the clicks, i.e clicks of whole units are stiffer than clicks of half units and then the 0.25 units is even less stiff. This would mean that racking up whole units would be easy however it would make it fidlier to rack up those less used half or quarter units. Might work. |
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