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needle-gauge

Page 2 of 4 · 85 questions tagged needle-gauge.

85 questions · sorted by votes · page 2 of 4

24 votes2 answers13k views
Is a 31G needle the right choice for drawing retatrutide at 20 mg/mL?

Numbers first: a 31G needle · retatrutide · 20 mg/mL. I want to know what the trade-off actually is rather than which option is fashionable. I would rather have a…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by fill_volume 13k · 5 months ago
23 votes 5 answers11k views
How many times can a rubber stopper realistically be pierced?

I have photographs before and after reconstitution if the visual detail matters. This is a procedural question rather than a theoretical one, and I would like the…

sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
vial-inspection
vial-inspection

What you can learn by looking: cake morphology, meniscus films, fibres versus stopper fragments versus true particulates, clarity after…

66 questions
asked by haze_check 17k · 13 months ago
23 votes5 answers7.2k views
Is a 18G drawing needle the right choice for drawing retatrutide at 5 mg/mL?

What I have: an 18G drawing needle · retatrutide · 5 mg/mL. I have used one of these for a while and I am considering switching, which requires a reason. What I care…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by pk_curve 12k · 2 months ago
22 votes 3 answers21k views
Does swabbing a stopper with 70 % IPA do anything, and how many times can one stopper be pierced before it stops sealing?

I have been treating the vial stopper as a black box and I would like to stop. Two specific things. Swabbing. Everyone says wipe the stopper with 70 % isopropanol.…

sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
vial-inspection
vial-inspection

What you can learn by looking: cake morphology, meniscus films, fibres versus stopper fragments versus true particulates, clarity after…

66 questions
asked by void_volume 13k · 2.1 years ago
22 votes 5 answers17k views
Is a 27G needle the right choice for drawing cagrilintide at 4 mg/mL?

Stated plainly: a 27G needle · cagrilintide · 4 mg/mL. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I can obtain…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by Dr_Colm_Fitzhenry 85k · 10 months ago
22 votes 5 answers4.3k views
Is a 18G drawing needle the right choice for drawing survodutide at 2 mg/mL?

The specifics, since they change the answer: an 18G drawing needle · survodutide · 2 mg/mL. The comparison I want does not seem to exist anywhere in a form I can…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by low_dead_space 42k · 3 months ago
21 votes 5 answers16k views
Is a 18G drawing needle the right choice for drawing survodutide at 5 mg/mL?

For reference: an 18G drawing needle · survodutide · 5 mg/mL. I am trying to choose between two options that are usually discussed as though only one exists. I am not…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by jo_vandeberg 19k · 22 months ago
20 votes 5 answers44k views
Is a 27G needle the right choice for drawing mazdutide at 6.67 mg/mL?

Stated plainly: a 27G needle · mazdutide · 6.67 mg/mL. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I can obtain…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by esther_vandeVelde 49k · 23 months ago
20 votes0 answers13k views
Is a 27G needle the right choice for drawing cagrilintide at 2.5 mg/mL?

What I am working with: a 27G needle · cagrilintide · 2.5 mg/mL. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by tare_and_weigh 18k · 9 months ago
20 votes5 answers7.7k views
Is a 27G needle the right choice for drawing liraglutide at 6.67 mg/mL?

Concretely: a 27G needle · liraglutide · 6.67 mg/mL. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to know…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by siobhan_deasy 16k · 12 months ago
20 votes 1 answer5.8k views
Is a 29G needle the right choice for drawing retatrutide at 3.33 mg/mL?

Numbers first: a 29G needle · retatrutide · 3.33 mg/mL. I have used one of these for a while and I am considering switching, which requires a reason. What I care…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by zainab_mustafa 16k · 39 days ago
20 votes 3 answers5.1k views
Is a 30G needle the right choice for drawing oral semaglutide at 1 mg/mL?

Conditions: a 30G needle · oral semaglutide · 1 mg/mL. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to know…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by retest_please 13k · 2 months ago
19 votes 5 answers28k views
Is a 31G needle the right choice for drawing semaglutide at 3.33 mg/mL?

The particulars: a 31G needle · semaglutide · 3.33 mg/mL. I am trying to choose between two options that are usually discussed as though only one exists. I am not…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by tess_amankwah 48k · 2.1 years ago
19 votes 5 answers24k views
Is a 25G drawing needle the right choice for drawing tirzepatide at 2.5 mg/mL?

Concretely: a 25G drawing needle · tirzepatide · 2.5 mg/mL. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by greta_holzmann 15k · 13 months ago
19 votes5 answers14k views
Is a 29G needle the right choice for drawing ecnoglutide at 20 mg/mL?

The specifics, since they change the answer: a 29G needle · ecnoglutide · 20 mg/mL. The comparison I want does not seem to exist anywhere in a form I can evaluate. I…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by klara_novotna 16k · 11 months ago
19 votes 5 answers9.8k views
Should I use a 18G drawing needle to draw and something finer to administer?

I have a logging thermometer, a box of insulin syringes and no illusions about my worktop being sterile. I have read the obvious sources and they disagree with each…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
asked by rota_site 55k · 5 months ago
19 votes 5 answers9.1k views
Is a 31G needle the right choice for drawing retatrutide at 3.33 mg/mL?

Details up front: a 31G needle · retatrutide · 3.33 mg/mL. I have used one of these for a while and I am considering switching, which requires a reason. What I care…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
sterile-water
sterile-water

Preservative-free sterile water for injection: appropriate for a single-withdrawal presentation, a poor choice for anything you intend to open…

14 questions
asked by orla_sheridan 14k · 8 months ago
19 votes 5 answers5k views
Is a 18G drawing needle the right choice for drawing orforglipron at 8 mg/mL?

Details up front: an 18G drawing needle · orforglipron · 8 mg/mL. I have used one of these for a while and I am considering switching, which requires a reason. What I…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by lipid_panel_q 44k · 6 months ago
18 votes 5 answers46k views
How many times can I pierce a stopper with a 30G needle before coring?

I have photographs before and after reconstitution if the visual detail matters. I have done this once and I suspect I got away with it rather than got it right. For…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
vial-inspection
vial-inspection

What you can learn by looking: cake morphology, meniscus films, fibres versus stopper fragments versus true particulates, clarity after…

66 questions
asked by coring_risk 17k · 2.3 years ago
18 votes5 answers19k views
Is a 27G needle the right choice for drawing tirzepatide at 10 mg/mL?

Conditions: a 27G needle · tirzepatide · 10 mg/mL. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to know that,…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by dermot_kiely 14k · 2.3 years ago
18 votes 5 answers8.3k views
Is a 18G drawing needle the right choice for drawing orforglipron at 2 mg/mL?

Numbers first: an 18G drawing needle · orforglipron · 2 mg/mL. I want to know what the trade-off actually is rather than which option is fashionable. I would rather…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by lukas_sedlacek 17k · 3 months ago
18 votes 3 answers6k views
Is a 29G needle the right choice for drawing dulaglutide at 3.33 mg/mL?

Numbers first: a 29G needle · dulaglutide · 3.33 mg/mL. I have used one of these for a while and I am considering switching, which requires a reason. What I care…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by syringe_ninety 15k · 9 months ago
18 votes 2 answers4.5k views
Is a 30G needle the right choice for drawing mazdutide at 4 mg/mL?

Stated plainly: a 30G needle · mazdutide · 4 mg/mL. Both of these get recommended confidently by different people, which suggests neither is obviously right. My…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by tess_amankwah 48k · 22 days ago
17 votes 5 answers35k views
Is a 29G needle the right choice for drawing ecnoglutide at 2 mg/mL?

The specifics, since they change the answer: a 29G needle · ecnoglutide · 2 mg/mL. I am trying to choose between two options that are usually discussed as though only…

needle-gauge
needle-gauge

Gauge and length selection, the trade-off between draw time and tissue trauma, coring risk with larger-bore needles, and why a fixed-needle…

85 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

110 questions
asked by bufferline42 49k · 2.0 years ago