Understanding the gauge sizes of AV fistula needles

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Understanding the gauge sizes of AV fistula needles

Shanghai Teamstand Corporation is a professional supplier and manufacturer of disposable medical products, including AV fistula needles. The AV fistula needle is an important tool in the field of hemodialysis that effectively removes and returns blood during dialysis. Understanding the dimensions of AV fistula needles is critical for healthcare professionals to ensure the safe and effective use of these medical devices.

AV Fistula Needle-16Ga-1

Basis structure of AVF needle

AV Fistula needle

Features of AVF needle

Fine polishing process on blade to puncture easily smoothly.
Siliconized needle reduces pain and blood coagulation.
Back eye and ultra thin-walled ensures a high blood flow rate.
Rotatable wing and fixed wing are available.
Double or single package for option.

 

Gauge sizes of AV Fistula needle

AVF needles are available in a wide variety of outer diameters described by gauge numbers. Smaller gauge numbers indicate larger outer diameters. Inner diameter depends on both gauge and wall thickness.
Gauge plays an important role in determining the blood flow rate during dialysis. Typically, AV fistula needles come in a variety of sizes, with the most common being 15, 16, and 17 gauge. The size directly affects the speed of blood withdrawal and blood return, so the appropriate size must be selected according to the patient’s vascular access and dialysis prescription.

Table 1. Matching gauge and blood flow rate

Blood flow rate (BFR) Recommended needle gauge
<300 ml/min 17 gauge
300–350 ml/min 16 gauge
>350–450 ml/min 15 gauge
>450 ml/min 14 gauge

Needle length of AV fistula needle

Needle lengths may vary, and it is critical to select the appropriate length based on the patient’s anatomy and depth of vascular access. Using a needle that is too short may not allow effective access to the fistula or graft, while a needle that is too long increases the risk of complications, such as vessel wall infiltration or puncture.

 

Distance to the skin surface Recommended needle length
<0.4 cm below the skin surface 3/4” and 3/5” for fistulas
0.4-1 cm from the skin surface 1” for fistulas
≥1 cm from the skin surface.  1 1/4” for fistulas

 

Healthcare professionals must carefully assess a patient’s vascular access and consider appropriate needle gauge size and length to ensure optimal performance and patient comfort during hemodialysis. Proper training and understanding of the different gauge sizes and lengths available for AV fistula needles is critical to minimizing the risk of complications and ensuring the delivery of effective dialysis treatment.

Shanghai Teamstand Corporation is committed to providing high-quality arteriovenous fistula needles in a variety of sizes and lengths to meet the diverse needs of healthcare providers and patients. The company’s focus on precision engineering and strict quality control ensures that its AV fistula needles meet international standards and provide reliable performance in clinical settings.

In conclusion, understanding the dimensions of AV fistula needles is critical for healthcare professionals involved in hemodialysis. Selecting the appropriate gauge size and length is critical to ensuring safe and effective use of the AV fistula needle, ultimately helping to provide optimal dialysis treatment to patients with end-stage renal disease. With the support of reputable suppliers such as Shanghai Teamstand Corporation, healthcare providers can obtain high-quality AV fistula needles that meet the specific requirements of their clinical practice.


Post time: Apr-16-2024