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Devices · subcategory

Pens & autoinjectors

Pen mechanics, dose counters, priming, and what happens when a pen is used off its label.

18 topics453 posts6 solved Moderators: t.vasquez, hana.sato About this category

dead volume missed dose storage subcutaneous injection

18 topics

Topic	Participants	Replies	Views	Activity
Pen dose counters: what a click does and does not guarantee missed dose subcutaneous injection storage Under review On the subject in the title: Pen dose counters: what a click does and does not guarantee Working notes rather than a conclusion. Pen dose counters — I have the observation and I do not trust my interpretation…	+116	122	1.6k	8mo
Second pass at: Pen dose counters: what a click does and does not guarantee dead volume storage subcutaneous injection Second pass at: Pen dose counters: what a click does and does not guarantee — setting out what I have, and where I think it stops being reliable. Two things I would like separated before anyone answers on Pen…	+63	68	51k	13mo
Pen mechanics when the cartridge is nearly empty — does this still hold? storage subcutaneous injection missed dose dead volume Asking directly, because I could not find a straight answer: Pen mechanics when the cartridge is nearly empty — does this still hold? Pen mechanics — I have the observation and I do not trust my…	+37	47	61k	6mo
Needle changes between doses on a reusable pen subcutaneous injection dead volume missed dose storage Posting this under the heading it deserves: Needle changes between doses on a reusable pen Everything below is what sits behind that. The question about needle changes between doses that I actually want…	+34	38	1.5k	10mo
A pen that felt like it delivered nothing: diagnosing it afterwards storage subcutaneous injection missed dose dead volume Solved On the subject in the title: A pen that felt like it delivered nothing: diagnosing it afterwards Working notes rather than a conclusion. Question about a metering device rather than about a syringe, because…	+35	39	584	6mo
Needle changes between doses on a reusable pen — does this still hold? dead volume missed dose storage Solved Wiki Needle changes between doses on a reusable pen — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. Posting a small dataset on Needle changes…	+1	5	38k	13mo
Why a pen's dose steps are fixed and what that costs you — one year on storage subcutaneous injection missed dose Solved Closed Asking directly, because I could not find a straight answer: Why a pen's dose steps are fixed and what that costs you — one year on Question about a metering device rather than about a syringe, because the…	+30	34	2.9k	11mo
Priming a pen and whether the primed volume is wasted storage missed dose dead volume Solved Wiki Priming a pen and whether the primed volume is wasted Writing it up because I had to work it out twice and would rather nobody else did. I have spent a fortnight trying to pin priming a pen down and I want to…	+19	23	1.3k	2d
Storing a pen in use versus a pen unopened storage missed dose dead volume Storing a pen in use versus a pen unopened Writing it up because I had to work it out twice and would rather nobody else did. Proposing that storing a pen deserves a maintained page rather than a recurring…	+14	18	13k	14mo
Revisiting: Drawing from a pen cartridge with a syringe: how the risk profile changes dead volume missed dose storage subcutaneous injection Revisiting: Drawing from a pen cartridge with a syringe: how the risk profile changes Writing it up because I had to work it out twice and would rather nobody else did. Question about a metering device rather…		2	18k	6h
Priming a pen and whether the primed volume is wasted — one year on missed dose dead volume subcutaneous injection storage Solved Posting this under the heading it deserves: Priming a pen and whether the primed volume is wasted — one year on Everything below is what sits behind that. I would like to disagree carefully with the settled…	+3	7	5.4k	22mo
Second pass at: A pen that felt like it delivered nothing: diagnosing it afterwards dead volume storage subcutaneous injection missed dose Second pass at: A pen that felt like it delivered nothing: diagnosing it afterwards — setting out what I have, and where I think it stops being reliable. Question about a metering device rather than about a…	+9	13	829	18mo
Why a pen's dose steps are fixed and what that costs you dead volume storage subcutaneous injection missed dose Solved The question in the title: Why a pen's dose steps are fixed and what that costs you I will give what I have already checked below so nobody repeats it. A question about a device rather than about a compound,…		4	2.5k	23h
About the Pens & autoinjectors category dead volume missed dose storage Pinned Wiki Pen mechanics, dose counters, priming, and what happens when a pen is used off its label. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its…	+1	5	92	5mo
Coming back to: Pen dose counters: what a click does and does not guarantee storage subcutaneous injection dead volume Pen dose counters: what a click does and does not guarantee — setting out what I have, and where I think it stops being reliable. Reading back through what has been written here about Pen dose counters, three…		4	105	5mo
Drawing from a pen cartridge with a syringe: how the risk profile changes subcutaneous injection dead volume missed dose Posting this under the heading it deserves: Drawing from a pen cartridge with a syringe: how the risk profile changes Everything below is what sits behind that. Question about a metering device rather than…		2	159	19mo
Pen mechanics when the cartridge is nearly empty storage subcutaneous injection dead volume Pen mechanics when the cartridge is nearly empty — setting out what I have, and where I think it stops being reliable. Trying to work out what would count as evidence on pen mechanics, before collecting any.…		2	661	22mo
Storing a pen in use versus a pen unopened — what changed since subcutaneous injection dead volume missed dose Posting this under the heading it deserves: Storing a pen in use versus a pen unopened — what changed since Everything below is what sits behind that. What changes if the standard account of Storing a pen is…		2	206	15mo

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