Intersection · Devices × subcutaneous injection

Devices topics tagged subcutaneous injection

Topics in Devices carrying the tag subcutaneous injection. Technique, angle, pinch and depth.

29 topics

Topic	Participants	Replies	Views	Activity
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. I have read the maintained page on this…		2	18k	6h
Fixed versus detachable needles: the trade-offs — does this still hold? syringe units needle gauge & length dead volume subcutaneous injection Solved Fixed versus detachable needles: the trade-offs — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. A question about technique rather than about…	+8	12	39k	15h
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. I have read the maintained page on this and I still have…		4	2.5k	23h
Reading U-100 graduations, with a conversion table dead volume worked example subcutaneous injection needle gauge & length Posting this under the heading it deserves: Reading U-100 graduations, with a conversion table Everything below is what sits behind that. Practical question with the units stated, because I have seen how…	+35	41	2k	1d
0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters syringe units subcutaneous injection needle gauge & length dead volume Wiki 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters — setting out what I have, and where I think it stops being reliable. Practical question with the units stated, because I have seen how quickly…	+104	114	6k	6d
Reading a syringe in poor light, and how to avoid needing to — what changed since dead volume subcutaneous injection syringe units needle gauge & length Posting this under the heading it deserves: Reading a syringe in poor light, and how to avoid needing to — what changed since Everything below is what sits behind that. I have read the maintained page on this…	+3	7	27k	27d
Reading U-100 graduations, with a conversion table — what changed since worked example dead volume syringe units subcutaneous injection Reading U-100 graduations, with a conversion table — what changed since Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I…		2	10k	2mo
[2026 update] 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters dead volume needle gauge & length subcutaneous injection Solved On the subject in the title: 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Working notes rather than a conclusion. Practical question with the units stated, because I have seen how quickly…	+108	124	27k	2mo
Reading U-100 graduations, with a conversion table — one year on syringe units needle gauge & length worked example subcutaneous injection Reading U-100 graduations, with a conversion table — one year on Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have…	+3	7	662	4mo
Dead volume across syringe and needle combinations needle gauge & length subcutaneous injection dead volume syringe units On the subject in the title: Dead volume across syringe and needle combinations Working notes rather than a conclusion. Practical question with the units stated, because I have seen how quickly these go wrong…	+72	80	28k	5mo
Filter needles: when they help and what they cost you needle gauge & length subcutaneous injection dead volume On the subject in the title: Filter needles: when they help and what they cost you Working notes rather than a conclusion. A question about technique rather than about dose. I have been doing the same thing…	+45	50	19k	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. A question about technique rather than about dose. I have been doing the same…		4	105	5mo
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. A question about technique rather than about dose. I have been doing…	+35	39	584	6mo
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? Practical question with the units stated, because I have seen how quickly…	+37	47	61k	6mo
Gauge and length selection for subcutaneous injection syringe units needle gauge & length worked example subcutaneous injection Solved Gauge and length selection for subcutaneous injection Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have seen how…	+50	55	1.3k	8mo
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. I have read the maintained page on this and I still have a gap, so I am asking…	+116	122	1.6k	8mo
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. I have read the maintained page on this and I still have a gap, so I am…	+34	38	1.5k	10mo
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 I have read the maintained page on this and I still have a gap, so I am…	+30	34	2.9k	11mo
Revisiting: Filter needles: when they help and what they cost you 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. A question about technique rather than about dose. I have been doing the…	+48	52	6.6k	11mo
A ten-fold dose error caught before injection — one year on 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. A question about technique rather than about dose. I have been doing the same…	+151	157	9.4k	12mo
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. A question about technique rather than about dose. I have been…	+63	68	51k	13mo
Second pass at: Gauge and length selection for subcutaneous injection 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. A question about technique rather than about dose.…	+50	58	14k	15mo
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. I have read the maintained page on this and I still have…		2	206	15mo
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. A question about technique rather than about dose. I…	+9	13	829	18mo
Fixed versus detachable needles: the trade-offs 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 have read the maintained page on this and I still have a gap, so I am…	+117	121	7.3k	18mo
Follow-up: Dead volume across syringe and needle combinations 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. Practical question with the units stated, because I have seen how quickly these go…	+81	98	22k	18mo
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. I have read the maintained page on this and I…		2	159	19mo
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. Practical question with the units stated, because I…	+3	7	5.4k	22mo
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. A question about technique rather than about dose. I have been doing the same thing for…		2	661	22mo

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