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needle-gauge

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

85 questions · sorted by votes · page 4 of 4

6 votes 5 answers21k views
Should I use a 31G needle to draw and something finer to administer?

This is the third vial from the same lot, so I can compare against two known-good ones. I have read the obvious sources and they disagree with each other, so I would…

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 orla_sheridan 14k · 2.4 years ago
6 votes 5 answers18k views
How many times can I pierce a stopper with a 18G drawing needle before coring?

I keep a written log of every draw with date, volume and syringe type. I want a method I can write down and repeat, not a rule of thumb. I would rather over-engineer…

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 j_wierzbicki 45k · 2.1 years ago
6 votes0 answers5.1k views
Is a 31G needle the right choice for drawing dulaglutide at 8 mg/mL?

What I have: a 31G needle · dulaglutide · 8 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 sasha_ferreira 15k · 20 months ago
6 votes 5 answers3.7k views
Is a 18G drawing needle the right choice for drawing semaglutide at 8 mg/mL?

The particulars: an 18G drawing needle · semaglutide · 8 mg/mL. I am trying to choose between two options that are usually discussed as though only one exists. I am…

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 dmitri_savchuk 17k · 7 months ago
6 votes 5 answers2.1k views
Is a 29G needle the right choice for drawing survodutide at 5 mg/mL?

The specifics, since they change the answer: a 29G needle · survodutide · 5 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 orla_ferriter 47k · 33 days ago
4 votes 5 answers9.2k views
Is a 30G needle the right choice for drawing tirzepatide at 4 mg/mL?

The case in front of me: a 30G needle · tirzepatide · 4 mg/mL. These are treated as interchangeable and I do not think they are. If both are acceptable I would like…

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 dmitri_savchuk 17k · 10 months ago
4 votes 5 answers9k views
Is a 18G drawing needle the right choice for drawing orforglipron at 5 mg/mL?

Numbers first: an 18G drawing needle · orforglipron · 5 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 priya_menon 11k · 2.1 years ago
4 votes 5 answers6.1k views
Is a 27G needle the right choice for drawing liraglutide at 1 mg/mL?

Conditions: a 27G needle · liraglutide · 1 mg/mL. I would like the axes of comparison first and the recommendation second. I have tried the first option and it works;…

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 pip_okonjo 11k · 7 months ago
4 votes 5 answers4.9k views
Is a 27G needle the right choice for drawing tirzepatide at 4 mg/mL?

The case in front of me: a 27G needle · tirzepatide · 4 mg/mL. I would like the axes of comparison first and the recommendation second. I have tried the first option…

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_Malik_Osei 37k · 28 days ago
4 votes0 answers574 views
Is a 31G needle the right choice for drawing ecnoglutide at 3.33 mg/mL?

For reference: a 31G needle · ecnoglutide · 3.33 mg/mL. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the arguments 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
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 tandem_gradient 85k · 1 months ago
3 votes0 answers4.4k views
Is a 29G needle the right choice for drawing semaglutide at 20 mg/mL?

For reference: a 29G needle · semaglutide · 20 mg/mL. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the arguments 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
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 · 17 months ago
2 votes 5 answers11k views
Is a 27G needle the right choice for drawing oral semaglutide at 4 mg/mL?

The case in front of me: a 27G needle · oral semaglutide · 4 mg/mL. These are treated as interchangeable and I do not think they are. If both are acceptable I would…

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 · 15 months ago
2 votes 5 answers9.4k views
How many times can I pierce a stopper with a 25G drawing needle before coring?

For context, I am working with a 10 mg presentation and a 2 mL fill. I am trying to do this correctly the first time rather than learn it by getting it wrong. I have…

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 carys_meredith 17k · 13 months ago