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Devices

Syringes, needles, pens and the cold chain — the hardware questions.

48 topics2,155 posts14 solved Moderators: hana.sato, KLindqvist About this category

Syringes & needles 18 Pens & autoinjectors 18 Cold chain 12

48 topics · page 2 of 2

Topic	Participants	Replies	Views	Activity
Revisiting: Filter needles: when they help and what they cost you Devices › Syringes & needles worked example needle gauge & length subcutaneous injection dead volume Closed Revisiting: Filter needles: when they help and what they cost you — setting out what I have, and where I think it stops being reliable. Trying to work out what would count as evidence on Filter needles,…	+48	52	6.6k	11mo
Travel coolers and how long they really hold Devices › Cold chain temperature excursion storage freeze-thaw On the subject in the title: Travel coolers and how long they really hold Working notes rather than a conclusion. A narrow question about travel coolers, deliberately narrow, because the broad version has…	+78	84	14k	12mo
A ten-fold dose error caught before injection — one year on Devices › Syringes & needles dead volume needle gauge & length subcutaneous injection syringe units On the subject in the title: A ten-fold dose error caught before injection — one year on Working notes rather than a conclusion. Two things I would like separated before anyone answers on ten-fold dose error…	+151	157	9.4k	12mo
Domestic fridge temperature mapping: a cheap experiment — what changed since Devices › Cold chain cold chain storage freeze-thaw temperature excursion Domestic fridge temperature mapping: a cheap experiment — what changed since — setting out what I have, and where I think it stops being reliable. What changes if the standard account of Domestic fridge…	+145	155	46k	12mo
Second pass at: Pen dose counters: what a click does and does not guarantee Devices › Pens & autoinjectors 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
Needle changes between doses on a reusable pen — does this still hold? Devices › Pens & autoinjectors 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
Storing a pen in use versus a pen unopened Devices › Pens & autoinjectors 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
Domestic fridge temperature mapping: a cheap experiment Devices › Cold chain cold chain temperature excursion storage freeze-thaw Domestic fridge temperature mapping: a cheap experiment Writing it up because I had to work it out twice and would rather nobody else did. Collecting what is known about domestic fridge temperature mapping in…		2	182	14mo
Second pass at: Gauge and length selection for subcutaneous injection Devices › Syringes & needles subcutaneous injection syringe units worked example needle gauge & length Posting this under the heading it deserves: Second pass at: Gauge and length selection for subcutaneous injection Everything below is what sits behind that. The question about Gauge and length selection that…	+50	58	14k	15mo
Storing a pen in use versus a pen unopened — what changed since Devices › Pens & autoinjectors 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
Second pass at: Domestic fridge temperature mapping: a cheap experiment Devices › Cold chain temperature excursion cold chain freeze-thaw storage Solved Posting this under the heading it deserves: Second pass at: Domestic fridge temperature mapping: a cheap experiment Everything below is what sits behind that. Two things I would like separated before anyone…		2	30k	16mo
Second pass at: A pen that felt like it delivered nothing: diagnosing it afterwards Devices › Pens & autoinjectors 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
Fixed versus detachable needles: the trade-offs Devices › Syringes & needles dead volume subcutaneous injection syringe units worked example Solved Posting this under the heading it deserves: Fixed versus detachable needles: the trade-offs Everything below is what sits behind that. I was wrong about fixed versus detachable needles in a thread last spring…	+117	121	7.3k	18mo
Follow-up: Dead volume across syringe and needle combinations Devices › Syringes & needles syringe units worked example subcutaneous injection dead volume Solved Dead volume across syringe and needle combinations — setting out what I have, and where I think it stops being reliable. A follow-up question about Dead volume across syringe that I did not know to ask the…	+81	98	22k	18mo
Drawing from a pen cartridge with a syringe: how the risk profile changes Devices › Pens & autoinjectors 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
Priming a pen and whether the primed volume is wasted — one year on Devices › Pens & autoinjectors 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
Revisiting: A fridge failure and how I assessed the contents afterwards Devices › Cold chain freeze-thaw cold chain temperature excursion Posting this under the heading it deserves: Revisiting: A fridge failure and how I assessed the contents afterwards Everything below is what sits behind that. The question about fridge failure that I actually…		2	15k	22mo
Pen mechanics when the cartridge is nearly empty Devices › Pens & autoinjectors 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